org.vertexium.accumulo.AccumuloGraph Maven / Gradle / Ivy
package org.vertexium.accumulo;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.primitives.Longs;
import org.apache.accumulo.core.client.*;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.client.admin.NewTableConfiguration;
import org.apache.accumulo.core.client.admin.TimeType;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Mutation;
import org.apache.accumulo.core.data.PartialKey;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.iterators.IteratorUtil;
import org.apache.accumulo.core.iterators.LongCombiner;
import org.apache.accumulo.core.iterators.user.RowDeletingIterator;
import org.apache.accumulo.core.iterators.user.TimestampFilter;
import org.apache.accumulo.core.iterators.user.VersioningIterator;
import org.apache.accumulo.core.iterators.user.WholeRowIterator;
import org.apache.accumulo.core.security.ColumnVisibility;
import org.apache.accumulo.core.trace.DistributedTrace;
import org.apache.accumulo.core.trace.Span;
import org.apache.accumulo.core.trace.Trace;
import org.apache.curator.RetryPolicy;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.framework.recipes.cache.TreeCache;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.apache.hadoop.io.Text;
import org.apache.zookeeper.CreateMode;
import org.vertexium.*;
import org.vertexium.HistoricalPropertyValue.HistoricalPropertyValueBuilder;
import org.vertexium.accumulo.iterator.*;
import org.vertexium.accumulo.iterator.model.EdgeInfo;
import org.vertexium.accumulo.iterator.model.IteratorFetchHints;
import org.vertexium.accumulo.iterator.model.PropertyColumnQualifier;
import org.vertexium.accumulo.iterator.model.PropertyMetadataColumnQualifier;
import org.vertexium.accumulo.iterator.util.ByteArrayWrapper;
import org.vertexium.accumulo.keys.KeyHelper;
import org.vertexium.accumulo.util.RangeUtils;
import org.vertexium.accumulo.util.StreamingPropertyValueStorageStrategy;
import org.vertexium.event.*;
import org.vertexium.mutation.*;
import org.vertexium.property.MutableProperty;
import org.vertexium.property.StreamingPropertyValue;
import org.vertexium.property.StreamingPropertyValueRef;
import org.vertexium.search.IndexHint;
import org.vertexium.util.*;
import java.io.IOException;
import java.io.InputStream;
import java.util.*;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import static org.vertexium.util.IterableUtils.singleOrDefault;
import static org.vertexium.util.IterableUtils.toList;
import static org.vertexium.util.Preconditions.checkNotNull;
import static org.vertexium.util.StreamUtils.stream;
public class AccumuloGraph extends GraphBaseWithSearchIndex implements Traceable {
private static final VertexiumLogger LOGGER = VertexiumLoggerFactory.getLogger(AccumuloGraph.class);
static final AccumuloGraphLogger GRAPH_LOGGER = new AccumuloGraphLogger(QUERY_LOGGER);
private static final String ROW_DELETING_ITERATOR_NAME = RowDeletingIterator.class.getSimpleName();
private static final int ROW_DELETING_ITERATOR_PRIORITY = 7;
private static final Object addIteratorLock = new Object();
private static final Integer METADATA_ACCUMULO_GRAPH_VERSION = 2;
private static final String METADATA_ACCUMULO_GRAPH_VERSION_KEY = "accumulo.graph.version";
private static final String METADATA_SERIALIZER = "accumulo.graph.serializer";
private static final String METADATA_STREAMING_PROPERTY_VALUE_DATA_WRITER = "accumulo.graph.streamingPropertyValueStorageStrategy";
private static final Authorizations METADATA_AUTHORIZATIONS = new AccumuloAuthorizations();
public static final int SINGLE_VERSION = 1;
public static final Integer ALL_VERSIONS = null;
private static final int ACCUMULO_DEFAULT_VERSIONING_ITERATOR_PRIORITY = 20;
private static final String ACCUMULO_DEFAULT_VERSIONING_ITERATOR_NAME = "vers";
private static final ColumnVisibility EMPTY_COLUMN_VISIBILITY = new ColumnVisibility();
private static final String CLASSPATH_CONTEXT_NAME = "vertexium";
private final Connector connector;
private final VertexiumSerializer vertexiumSerializer;
private final CuratorFramework curatorFramework;
private final boolean historyInSeparateTable;
private final StreamingPropertyValueStorageStrategy streamingPropertyValueStorageStrategy;
private final MultiTableBatchWriter batchWriter;
protected final ElementMutationBuilder elementMutationBuilder;
private final Queue graphEventQueue = new LinkedList<>();
private Integer accumuloGraphVersion;
private boolean foundVertexiumSerializerMetadata;
private boolean foundStreamingPropertyValueStorageStrategyMetadata;
private final AccumuloNameSubstitutionStrategy nameSubstitutionStrategy;
private final String verticesTableName;
private final String historyVerticesTableName;
private final String edgesTableName;
private final String historyEdgesTableName;
private final String extendedDataTableName;
private final String dataTableName;
private final String metadataTableName;
private final int numberOfQueryThreads;
private final AccumuloGraphMetadataStore graphMetadataStore;
private boolean distributedTraceEnabled;
protected AccumuloGraph(AccumuloGraphConfiguration config, Connector connector) {
super(config);
this.connector = connector;
this.vertexiumSerializer = config.createSerializer(this);
this.nameSubstitutionStrategy = AccumuloNameSubstitutionStrategy.create(config.createSubstitutionStrategy(this));
this.streamingPropertyValueStorageStrategy = config.createStreamingPropertyValueStorageStrategy(this);
this.elementMutationBuilder = new ElementMutationBuilder(streamingPropertyValueStorageStrategy, vertexiumSerializer) {
@Override
protected void saveVertexMutation(Mutation m) {
addMutations(VertexiumObjectType.VERTEX, m);
}
@Override
protected void saveEdgeMutation(Mutation m) {
addMutations(VertexiumObjectType.EDGE, m);
}
@Override
protected void saveExtendedDataMutation(ElementType elementType, Mutation m) {
addMutations(VertexiumObjectType.EXTENDED_DATA, m);
}
@Override
protected AccumuloNameSubstitutionStrategy getNameSubstitutionStrategy() {
return AccumuloGraph.this.getNameSubstitutionStrategy();
}
@Override
public void saveDataMutation(Mutation dataMutation) {
_addMutations(getDataWriter(), dataMutation);
}
@Override
@SuppressWarnings("unchecked")
protected StreamingPropertyValueRef saveStreamingPropertyValue(String rowKey, Property property, StreamingPropertyValue propertyValue) {
StreamingPropertyValueRef streamingPropertyValueRef = super.saveStreamingPropertyValue(rowKey, property, propertyValue);
((MutableProperty) property).setValue(streamingPropertyValueRef.toStreamingPropertyValue(AccumuloGraph.this, property.getTimestamp()));
return streamingPropertyValueRef;
}
};
RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
curatorFramework = CuratorFrameworkFactory.newClient(config.getZookeeperServers(), retryPolicy);
curatorFramework.start();
String zkPath = config.getZookeeperMetadataSyncPath();
this.graphMetadataStore = new AccumuloGraphMetadataStore(curatorFramework, zkPath);
this.verticesTableName = getVerticesTableName(getConfiguration().getTableNamePrefix());
this.edgesTableName = getEdgesTableName(getConfiguration().getTableNamePrefix());
this.extendedDataTableName = getExtendedDataTableName(getConfiguration().getTableNamePrefix());
this.dataTableName = getDataTableName(getConfiguration().getTableNamePrefix());
this.metadataTableName = getMetadataTableName(getConfiguration().getTableNamePrefix());
this.numberOfQueryThreads = getConfiguration().getNumberOfQueryThreads();
this.historyInSeparateTable = getConfiguration().isHistoryInSeparateTable();
if (isHistoryInSeparateTable()) {
this.historyVerticesTableName = getHistoryVerticesTableName(getConfiguration().getTableNamePrefix());
this.historyEdgesTableName = getHistoryEdgesTableName(getConfiguration().getTableNamePrefix());
} else {
this.historyVerticesTableName = null;
this.historyEdgesTableName = null;
}
BatchWriterConfig writerConfig = getConfiguration().createBatchWriterConfig();
this.batchWriter = connector.createMultiTableBatchWriter(writerConfig);
}
public static AccumuloGraph create(AccumuloGraphConfiguration config) {
if (config == null) {
throw new IllegalArgumentException("config cannot be null");
}
Connector connector = config.createConnector();
if (config.isHistoryInSeparateTable()) {
ensureTableExists(connector, getVerticesTableName(config.getTableNamePrefix()), 1, config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getEdgesTableName(config.getTableNamePrefix()), 1, config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getHistoryVerticesTableName(config.getTableNamePrefix()), config.getMaxVersions(), config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getHistoryEdgesTableName(config.getTableNamePrefix()), config.getMaxVersions(), config.getHdfsContextClasspath(), config.isCreateTables());
ensureRowDeletingIteratorIsAttached(connector, getHistoryVerticesTableName(config.getTableNamePrefix()));
ensureRowDeletingIteratorIsAttached(connector, getHistoryEdgesTableName(config.getTableNamePrefix()));
} else {
ensureTableExists(connector, getVerticesTableName(config.getTableNamePrefix()), config.getMaxVersions(), config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getEdgesTableName(config.getTableNamePrefix()), config.getMaxVersions(), config.getHdfsContextClasspath(), config.isCreateTables());
}
ensureTableExists(connector, getExtendedDataTableName(config.getTableNamePrefix()), config.getExtendedDataMaxVersions(), config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getDataTableName(config.getTableNamePrefix()), 1, config.getHdfsContextClasspath(), config.isCreateTables());
ensureTableExists(connector, getMetadataTableName(config.getTableNamePrefix()), 1, config.getHdfsContextClasspath(), config.isCreateTables());
ensureRowDeletingIteratorIsAttached(connector, getVerticesTableName(config.getTableNamePrefix()));
ensureRowDeletingIteratorIsAttached(connector, getEdgesTableName(config.getTableNamePrefix()));
ensureRowDeletingIteratorIsAttached(connector, getDataTableName(config.getTableNamePrefix()));
AccumuloGraph graph = new AccumuloGraph(config, connector);
graph.setup();
return graph;
}
@Override
protected void setup() {
super.setup();
if (accumuloGraphVersion == null) {
setMetadata(METADATA_ACCUMULO_GRAPH_VERSION_KEY, METADATA_ACCUMULO_GRAPH_VERSION);
} else if (!METADATA_ACCUMULO_GRAPH_VERSION.equals(accumuloGraphVersion)) {
throw new VertexiumException("Invalid accumulo graph version. Expected " + METADATA_ACCUMULO_GRAPH_VERSION + " found " + accumuloGraphVersion);
}
}
@Override
protected void setupGraphMetadata() {
foundVertexiumSerializerMetadata = false;
super.setupGraphMetadata();
if (!foundVertexiumSerializerMetadata) {
setMetadata(METADATA_SERIALIZER, vertexiumSerializer.getClass().getName());
}
if (!foundStreamingPropertyValueStorageStrategyMetadata) {
setMetadata(METADATA_STREAMING_PROPERTY_VALUE_DATA_WRITER, streamingPropertyValueStorageStrategy.getClass().getName());
}
}
@Override
protected void setupGraphMetadata(GraphMetadataEntry graphMetadataEntry) {
super.setupGraphMetadata(graphMetadataEntry);
if (graphMetadataEntry.getKey().equals(METADATA_ACCUMULO_GRAPH_VERSION_KEY)) {
if (graphMetadataEntry.getValue() instanceof Integer) {
accumuloGraphVersion = (Integer) graphMetadataEntry.getValue();
LOGGER.info("%s=%s", METADATA_ACCUMULO_GRAPH_VERSION_KEY, accumuloGraphVersion);
} else {
throw new VertexiumException("Invalid accumulo version in metadata. " + graphMetadataEntry);
}
} else if (graphMetadataEntry.getKey().equals(METADATA_SERIALIZER)) {
validateClassMetadataEntry(graphMetadataEntry, vertexiumSerializer.getClass());
foundVertexiumSerializerMetadata = true;
} else if (graphMetadataEntry.getKey().equals(METADATA_STREAMING_PROPERTY_VALUE_DATA_WRITER)) {
validateClassMetadataEntry(graphMetadataEntry, streamingPropertyValueStorageStrategy.getClass());
foundStreamingPropertyValueStorageStrategyMetadata = true;
}
}
private void validateClassMetadataEntry(GraphMetadataEntry graphMetadataEntry, Class expectedClass) {
if (!(graphMetadataEntry.getValue() instanceof String)) {
throw new VertexiumException("Invalid " + graphMetadataEntry.getKey() + " expected string found " + graphMetadataEntry.getValue().getClass().getName());
}
String foundClassName = (String) graphMetadataEntry.getValue();
if (!foundClassName.equals(expectedClass.getName())) {
throw new VertexiumException("Invalid " + graphMetadataEntry.getKey() + " expected " + foundClassName + " found " + expectedClass.getName());
}
}
protected static void ensureTableExists(Connector connector, String tableName, Integer maxVersions, String hdfsContextClasspath, boolean createTable) {
try {
if (!connector.tableOperations().exists(tableName)) {
if (!createTable) {
throw new VertexiumException("Table '" + tableName + "' does not exist and 'graph." + GraphConfiguration.CREATE_TABLES + "' is set to false");
}
NewTableConfiguration ntc = new NewTableConfiguration()
.setTimeType(TimeType.MILLIS)
.withoutDefaultIterators();
connector.tableOperations().create(tableName, ntc);
if (maxVersions != null) {
// The following parameters match the Accumulo defaults for the VersioningIterator
IteratorSetting versioningSettings = new IteratorSetting(
ACCUMULO_DEFAULT_VERSIONING_ITERATOR_PRIORITY,
ACCUMULO_DEFAULT_VERSIONING_ITERATOR_NAME,
VersioningIterator.class
);
VersioningIterator.setMaxVersions(versioningSettings, maxVersions);
EnumSet scope = EnumSet.allOf(IteratorUtil.IteratorScope.class);
connector.tableOperations().attachIterator(tableName, versioningSettings, scope);
}
}
if (hdfsContextClasspath != null) {
connector.instanceOperations().setProperty("general.vfs.context.classpath." + CLASSPATH_CONTEXT_NAME + "-" + tableName, hdfsContextClasspath);
connector.tableOperations().setProperty(tableName, "table.classpath.context", CLASSPATH_CONTEXT_NAME + "-" + tableName);
}
} catch (Exception e) {
throw new VertexiumException("Unable to create table " + tableName, e);
}
}
protected static void ensureRowDeletingIteratorIsAttached(Connector connector, String tableName) {
try {
synchronized (addIteratorLock) {
IteratorSetting is = new IteratorSetting(ROW_DELETING_ITERATOR_PRIORITY, ROW_DELETING_ITERATOR_NAME, RowDeletingIterator.class);
if (!connector.tableOperations().listIterators(tableName).containsKey(ROW_DELETING_ITERATOR_NAME)) {
try {
connector.tableOperations().attachIterator(tableName, is);
} catch (Exception ex) {
// If many processes are starting up at the same time (see YARN). It's possible that there will be a collision.
final int SLEEP_TIME = 5000;
LOGGER.warn("Failed to attach RowDeletingIterator. Retrying in %dms.", SLEEP_TIME);
Thread.sleep(SLEEP_TIME);
if (!connector.tableOperations().listIterators(tableName).containsKey(ROW_DELETING_ITERATOR_NAME)) {
connector.tableOperations().attachIterator(tableName, is);
}
}
}
}
} catch (Exception e) {
throw new VertexiumException("Could not attach RowDeletingIterator", e);
}
}
@SuppressWarnings("unchecked")
public static AccumuloGraph create(Map config) {
return create(new AccumuloGraphConfiguration(config));
}
@Override
public AccumuloVertexBuilder prepareVertex(String vertexId, Long timestamp, Visibility visibility) {
if (vertexId == null) {
vertexId = getIdGenerator().nextId();
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
final long timestampLong = timestamp;
final String finalVertexId = vertexId;
return new AccumuloVertexBuilder(finalVertexId, visibility, elementMutationBuilder) {
@Override
public Vertex save(Authorizations authorizations) {
Span trace = Trace.start("prepareVertex");
trace.data("vertexId", finalVertexId);
try {
// This has to occur before createVertex since it will mutate the properties
getElementMutationBuilder().saveVertexBuilder(AccumuloGraph.this, this, timestampLong);
AccumuloVertex vertex = createVertex(authorizations);
if (getIndexHint() != IndexHint.DO_NOT_INDEX) {
getSearchIndex().addElement(AccumuloGraph.this, vertex, authorizations);
getSearchIndex().addElementExtendedData(AccumuloGraph.this, vertex, getExtendedData(), authorizations);
for (ExtendedDataDeleteMutation m : getExtendedDataDeletes()) {
getSearchIndex().deleteExtendedData(
AccumuloGraph.this,
vertex,
m.getTableName(),
m.getRow(),
m.getColumnName(),
m.getKey(),
m.getVisibility(),
authorizations
);
}
}
if (hasEventListeners()) {
queueEvent(new AddVertexEvent(AccumuloGraph.this, vertex));
queueEvents(
vertex,
getProperties(),
getPropertyDeletes(),
getPropertySoftDeletes(),
getExtendedData(),
getExtendedDataDeletes()
);
}
return vertex;
} finally {
trace.stop();
}
}
@Override
protected AccumuloVertex createVertex(Authorizations authorizations) {
Iterable hiddenVisibilities = null;
return new AccumuloVertex(
AccumuloGraph.this,
getElementId(),
getVisibility(),
getProperties(),
getPropertyDeletes(),
getPropertySoftDeletes(),
hiddenVisibilities,
getExtendedDataTableNames(),
timestampLong,
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
}
};
}
private void queueEvents(
AccumuloElement element,
Iterable properties,
Iterable propertyDeletes,
Iterable propertySoftDeletes,
Iterable extendedData,
Iterable extendedDataDeletes
) {
if (properties != null) {
for (Property property : properties) {
queueEvent(new AddPropertyEvent(this, element, property));
}
}
if (propertyDeletes != null) {
for (PropertyDeleteMutation propertyDeleteMutation : propertyDeletes) {
queueEvent(new DeletePropertyEvent(this, element, propertyDeleteMutation));
}
}
if (propertySoftDeletes != null) {
for (PropertySoftDeleteMutation propertySoftDeleteMutation : propertySoftDeletes) {
queueEvent(new SoftDeletePropertyEvent(this, element, propertySoftDeleteMutation));
}
}
if (extendedData != null) {
for (ExtendedDataMutation extendedDataMutation : extendedData) {
queueEvent(new AddExtendedDataEvent(
this,
element,
extendedDataMutation.getTableName(),
extendedDataMutation.getRow(),
extendedDataMutation.getColumnName(),
extendedDataMutation.getKey(),
extendedDataMutation.getValue(),
extendedDataMutation.getVisibility()
));
}
}
if (extendedDataDeletes != null) {
for (ExtendedDataDeleteMutation extendedDataDeleteMutation : extendedDataDeletes) {
queueEvent(new DeleteExtendedDataEvent(
this,
element,
extendedDataDeleteMutation.getTableName(),
extendedDataDeleteMutation.getRow(),
extendedDataDeleteMutation.getColumnName(),
extendedDataDeleteMutation.getKey()
));
}
}
}
private void queueEvent(GraphEvent graphEvent) {
synchronized (this.graphEventQueue) {
this.graphEventQueue.add(graphEvent);
}
}
void saveProperties(
AccumuloElement element,
Iterable properties,
Iterable propertyDeletes,
Iterable propertySoftDeletes
) {
String elementRowKey = element.getId();
Mutation m = new Mutation(elementRowKey);
boolean hasProperty = false;
for (PropertyDeleteMutation propertyDelete : propertyDeletes) {
hasProperty = true;
elementMutationBuilder.addPropertyDeleteToMutation(m, propertyDelete);
}
for (PropertySoftDeleteMutation propertySoftDelete : propertySoftDeletes) {
hasProperty = true;
elementMutationBuilder.addPropertySoftDeleteToMutation(m, propertySoftDelete);
}
for (Property property : properties) {
hasProperty = true;
elementMutationBuilder.addPropertyToMutation(this, m, elementRowKey, property);
}
if (hasProperty) {
addMutations(element, m);
}
if (hasEventListeners()) {
queueEvents(
element,
properties,
propertyDeletes,
propertySoftDeletes,
null,
null
);
}
}
void deleteProperty(AccumuloElement element, Property property, Authorizations authorizations) {
if (!element.getFetchHints().isIncludePropertyAndMetadata(property.getName())) {
throw new VertexiumMissingFetchHintException(element.getFetchHints(), "Property " + property.getName() + " needs to be included with metadata");
}
Mutation m = new Mutation(element.getId());
elementMutationBuilder.addPropertyDeleteToMutation(m, property);
addMutations(element, m);
getSearchIndex().deleteProperty(
this,
element,
PropertyDescriptor.fromProperty(property),
authorizations
);
if (hasEventListeners()) {
queueEvent(new DeletePropertyEvent(this, element, property));
}
}
void softDeleteProperty(AccumuloElement element, Property property, Authorizations authorizations) {
Mutation m = new Mutation(element.getId());
elementMutationBuilder.addPropertySoftDeleteToMutation(m, property);
addMutations(element, m);
getSearchIndex().deleteProperty(
this,
element,
PropertyDescriptor.fromProperty(property),
authorizations
);
if (hasEventListeners()) {
queueEvent(new SoftDeletePropertyEvent(this, element, property));
}
}
protected void addMutations(Element element, Mutation... mutations) {
addMutations(VertexiumObjectType.getTypeFromElement(element), mutations);
}
protected void addMutations(VertexiumObjectType objectType, Mutation... mutations) {
_addMutations(getWriterFromElementType(objectType), mutations);
if (isHistoryInSeparateTable() && objectType != VertexiumObjectType.EXTENDED_DATA) {
_addMutations(getHistoryWriterFromElementType(objectType), mutations);
}
}
protected void _addMutations(BatchWriter writer, Mutation... mutations) {
try {
for (Mutation mutation : mutations) {
writer.addMutation(mutation);
}
if (getConfiguration().isAutoFlush()) {
flush();
}
} catch (MutationsRejectedException ex) {
throw new VertexiumException("Could not add mutation", ex);
}
}
public BatchWriter getVerticesWriter() {
return getWriterForTable(getVerticesTableName());
}
private BatchWriter getWriterForTable(String tableName) {
try {
return batchWriter.getBatchWriter(tableName);
} catch (Exception e) {
throw new VertexiumException("Unable to get writer for table " + tableName, e);
}
}
public BatchWriter getHistoryVerticesWriter() {
return getWriterForTable(getHistoryVerticesTableName());
}
public BatchWriter getEdgesWriter() {
return getWriterForTable(getEdgesTableName());
}
public BatchWriter getHistoryEdgesWriter() {
return getWriterForTable(getHistoryEdgesTableName());
}
public BatchWriter getExtendedDataWriter() {
return getWriterForTable(getExtendedDataTableName());
}
public BatchWriter getDataWriter() {
return getWriterForTable(getDataTableName());
}
public BatchWriter getWriterFromElementType(VertexiumObjectType objectType) {
switch (objectType) {
case VERTEX:
return getVerticesWriter();
case EDGE:
return getEdgesWriter();
case EXTENDED_DATA:
return getExtendedDataWriter();
default:
throw new VertexiumException("Unexpected object type: " + objectType);
}
}
public BatchWriter getHistoryWriterFromElementType(VertexiumObjectType objectType) {
switch (objectType) {
case VERTEX:
return getHistoryVerticesWriter();
case EDGE:
return getHistoryEdgesWriter();
default:
throw new VertexiumException("Unexpected element type: " + objectType);
}
}
protected BatchWriter getMetadataWriter() {
return getWriterForTable(getMetadataTableName());
}
@Override
public Iterable getVertices(FetchHints fetchHints, Long endTime, Authorizations authorizations) throws VertexiumException {
Span trace = Trace.start("getVertices");
return getVerticesInRange(trace, null, null, fetchHints, endTime, authorizations);
}
@Override
public void deleteVertex(Vertex vertex, Authorizations authorizations) {
checkNotNull(vertex, "vertex cannot be null");
Span trace = Trace.start("deleteVertex");
trace.data("vertexId", vertex.getId());
try {
getSearchIndex().deleteElement(this, vertex, authorizations);
// Delete all edges that this vertex participates.
for (Edge edge : vertex.getEdges(Direction.BOTH, authorizations)) {
deleteEdge(edge, authorizations);
}
deleteAllExtendedDataForElement(vertex, authorizations);
addMutations(VertexiumObjectType.VERTEX, getDeleteRowMutation(vertex.getId()));
if (hasEventListeners()) {
queueEvent(new DeleteVertexEvent(this, vertex));
}
} finally {
trace.stop();
}
}
private Mutation[] getDeleteExtendedDataMutations(ExtendedDataRowId rowId) {
Mutation[] mutations = new Mutation[1];
Text rowKey = KeyHelper.createExtendedDataRowKey(rowId);
Mutation m = new Mutation(rowKey);
m.put(AccumuloElement.DELETE_ROW_COLUMN_FAMILY, AccumuloElement.DELETE_ROW_COLUMN_QUALIFIER, RowDeletingIterator.DELETE_ROW_VALUE);
mutations[0] = m;
return mutations;
}
@Override
public void softDeleteVertex(Vertex vertex, Long timestamp, Authorizations authorizations) {
checkNotNull(vertex, "vertex cannot be null");
Span trace = Trace.start("softDeleteVertex");
trace.data("vertexId", vertex.getId());
try {
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
getSearchIndex().deleteElement(this, vertex, authorizations);
// Delete all edges that this vertex participates.
for (Edge edge : vertex.getEdges(Direction.BOTH, authorizations)) {
softDeleteEdge(edge, timestamp, authorizations);
}
addMutations(VertexiumObjectType.VERTEX, getSoftDeleteRowMutation(vertex.getId(), timestamp));
if (hasEventListeners()) {
queueEvent(new SoftDeleteVertexEvent(this, vertex));
}
} finally {
trace.stop();
}
}
@Override
public void markVertexHidden(Vertex vertex, Visibility visibility, Authorizations authorizations) {
checkNotNull(vertex, "vertex cannot be null");
Span trace = Trace.start("softDeleteVertex");
trace.data("vertexId", vertex.getId());
try {
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
// Delete all edges that this vertex participates.
for (Edge edge : vertex.getEdges(Direction.BOTH, authorizations)) {
markEdgeHidden(edge, visibility, authorizations);
}
addMutations(VertexiumObjectType.VERTEX, getMarkHiddenRowMutation(vertex.getId(), columnVisibility));
getSearchIndex().markElementHidden(this, vertex, visibility, authorizations);
if (hasEventListeners()) {
queueEvent(new MarkHiddenVertexEvent(this, vertex));
}
} finally {
trace.stop();
}
}
@Override
public void markVertexVisible(Vertex vertex, Visibility visibility, Authorizations authorizations) {
checkNotNull(vertex, "vertex cannot be null");
Span trace = Trace.start("softDeleteVertex");
trace.data("vertexId", vertex.getId());
try {
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
// Delete all edges that this vertex participates.
for (Edge edge : vertex.getEdges(Direction.BOTH, FetchHints.ALL_INCLUDING_HIDDEN, authorizations)) {
markEdgeVisible(edge, visibility, authorizations);
}
addMutations(VertexiumObjectType.VERTEX, getMarkVisibleRowMutation(vertex.getId(), columnVisibility));
getSearchIndex().markElementVisible(this, vertex, visibility, authorizations);
if (hasEventListeners()) {
queueEvent(new MarkVisibleVertexEvent(this, vertex));
}
} finally {
trace.stop();
}
}
@Override
public AccumuloEdgeBuilderByVertexId prepareEdge(String edgeId, String outVertexId, String inVertexId, String label, Long timestamp, Visibility visibility) {
checkNotNull(outVertexId, "outVertexId cannot be null");
checkNotNull(inVertexId, "inVertexId cannot be null");
checkNotNull(label, "label cannot be null");
if (edgeId == null) {
edgeId = getIdGenerator().nextId();
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
final long timestampLong = timestamp;
final String finalEdgeId = edgeId;
return new AccumuloEdgeBuilderByVertexId(finalEdgeId, outVertexId, inVertexId, label, visibility, elementMutationBuilder) {
@Override
public Edge save(Authorizations authorizations) {
Span trace = Trace.start("prepareEdge");
trace.data("edgeId", finalEdgeId);
try {
// This has to occur before createEdge since it will mutate the properties
elementMutationBuilder.saveEdgeBuilder(AccumuloGraph.this, this, timestampLong);
AccumuloEdge edge = AccumuloGraph.this.createEdge(
AccumuloGraph.this,
this,
timestampLong,
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
return savePreparedEdge(this, edge, null, authorizations);
} finally {
trace.stop();
}
}
@Override
protected AccumuloEdge createEdge(Authorizations authorizations) {
return AccumuloGraph.this.createEdge(
AccumuloGraph.this,
this,
timestampLong,
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
}
};
}
@Override
public EdgeBuilder prepareEdge(String edgeId, Vertex outVertex, Vertex inVertex, String label, Long timestamp, Visibility visibility) {
checkNotNull(outVertex, "outVertex cannot be null");
checkNotNull(inVertex, "inVertex cannot be null");
checkNotNull(label, "label cannot be null");
if (edgeId == null) {
edgeId = getIdGenerator().nextId();
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
final long timestampLong = timestamp;
final String finalEdgeId = edgeId;
return new EdgeBuilder(finalEdgeId, outVertex, inVertex, label, visibility) {
@Override
public Edge save(Authorizations authorizations) {
Span trace = Trace.start("prepareEdge");
trace.data("edgeId", finalEdgeId);
try {
AddEdgeToVertexRunnable addEdgeToVertex = new AddEdgeToVertexRunnable() {
@Override
public void run(AccumuloEdge edge) {
if (getOutVertex() instanceof AccumuloVertex) {
((AccumuloVertex) getOutVertex()).addOutEdge(edge);
}
if (getInVertex() instanceof AccumuloVertex) {
((AccumuloVertex) getInVertex()).addInEdge(edge);
}
}
};
// This has to occur before createEdge since it will mutate the properties
elementMutationBuilder.saveEdgeBuilder(AccumuloGraph.this, this, timestampLong);
AccumuloEdge edge = createEdge(
AccumuloGraph.this,
this,
timestampLong,
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
return savePreparedEdge(this, edge, addEdgeToVertex, authorizations);
} finally {
trace.stop();
}
}
};
}
private AccumuloEdge createEdge(
AccumuloGraph accumuloGraph,
EdgeBuilderBase edgeBuilder,
long timestamp,
FetchHints fetchHints,
Authorizations authorizations
) {
Iterable hiddenVisibilities = null;
return new AccumuloEdge(
accumuloGraph,
edgeBuilder.getElementId(),
edgeBuilder.getOutVertexId(),
edgeBuilder.getInVertexId(),
edgeBuilder.getLabel(),
edgeBuilder.getNewEdgeLabel(),
edgeBuilder.getVisibility(),
edgeBuilder.getProperties(),
edgeBuilder.getPropertyDeletes(),
edgeBuilder.getPropertySoftDeletes(),
hiddenVisibilities,
edgeBuilder.getExtendedDataTableNames(),
timestamp,
fetchHints,
authorizations
);
}
private Edge savePreparedEdge(
EdgeBuilderBase edgeBuilder,
AccumuloEdge edge,
AddEdgeToVertexRunnable addEdgeToVertex,
Authorizations authorizations
) {
if (addEdgeToVertex != null) {
addEdgeToVertex.run(edge);
}
if (edgeBuilder.getIndexHint() != IndexHint.DO_NOT_INDEX) {
getSearchIndex().addElement(AccumuloGraph.this, edge, authorizations);
getSearchIndex().addElementExtendedData(AccumuloGraph.this, edge, edgeBuilder.getExtendedData(), authorizations);
for (ExtendedDataDeleteMutation m : edgeBuilder.getExtendedDataDeletes()) {
getSearchIndex().deleteExtendedData(
AccumuloGraph.this,
edge,
m.getTableName(),
m.getRow(),
m.getColumnName(),
m.getKey(),
m.getVisibility(),
authorizations
);
}
}
if (hasEventListeners()) {
queueEvent(new AddEdgeEvent(this, edge));
queueEvents(
edge,
edgeBuilder.getProperties(),
edgeBuilder.getPropertyDeletes(),
edgeBuilder.getPropertySoftDeletes(),
edgeBuilder.getExtendedData(),
edgeBuilder.getExtendedDataDeletes()
);
}
return edge;
}
public AccumuloNameSubstitutionStrategy getNameSubstitutionStrategy() {
return nameSubstitutionStrategy;
}
public Iterable getHistoricalPropertyValues(Element element, String key, String name, Visibility visibility, Long startTime, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getHistoricalPropertyValues");
if (Trace.isTracing()) {
trace.data("key", key);
trace.data("name", name);
trace.data("visibility", visibility.getVisibilityString());
if (startTime != null) {
trace.data("startTime", Long.toString(startTime));
}
if (endTime != null) {
trace.data("endTime", Long.toString(endTime));
}
}
try {
ElementType elementType = ElementType.getTypeFromElement(element);
FetchHints fetchHints = FetchHints.PROPERTIES_AND_METADATA;
traceDataFetchHints(trace, fetchHints);
org.apache.accumulo.core.data.Range range = RangeUtils.createRangeFromString(element.getId());
final ScannerBase scanner = createElementScanner(
fetchHints,
elementType,
ALL_VERSIONS,
startTime,
endTime,
Lists.newArrayList(range),
false,
authorizations
);
try {
Map results = new HashMap<>();
ArrayListMultimap activeVisibilities = ArrayListMultimap.create();
Map softDeleteObserved = Maps.newHashMap();
for (Map.Entry column : scanner) {
String cq = column.getKey().getColumnQualifier().toString();
String columnVisibility = column.getKey().getColumnVisibility().toString();
if (column.getKey().getColumnFamily().equals(AccumuloElement.CF_PROPERTY)) {
if (visibility != null && !columnVisibility.equals(visibility.getVisibilityString())) {
continue;
}
PropertyColumnQualifier propertyColumnQualifier = KeyHelper.createPropertyColumnQualifier(cq, getNameSubstitutionStrategy());
if (name != null && !propertyColumnQualifier.getPropertyName().equals(name)) {
continue;
}
if (key != null && !propertyColumnQualifier.getPropertyKey().equals(key)) {
continue;
}
String resultsKey = propertyColumnQualifier.getDiscriminator(columnVisibility, column.getKey().getTimestamp());
long timestamp = column.getKey().getTimestamp();
Object value = vertexiumSerializer.bytesToObject(column.getValue().get());
Metadata metadata = new Metadata();
Set hiddenVisibilities = null; // TODO should we preserve these over time
if (value instanceof StreamingPropertyValueRef) {
//noinspection unchecked
value = ((StreamingPropertyValueRef) value).toStreamingPropertyValue(this, timestamp);
}
String propertyKey = propertyColumnQualifier.getPropertyKey();
String propertyName = propertyColumnQualifier.getPropertyName();
Visibility propertyVisibility = accumuloVisibilityToVisibility(columnVisibility);
HistoricalPropertyValue hpv =
new HistoricalPropertyValueBuilder(propertyKey, propertyName, timestamp)
.propertyVisibility(propertyVisibility)
.value(value)
.metadata(metadata)
.hiddenVisibilities(hiddenVisibilities)
.build();
String propIdent = propertyKey + ":" + propertyName;
activeVisibilities.put(propIdent, columnVisibility);
results.put(resultsKey, hpv);
} else if (column.getKey().getColumnFamily().equals(AccumuloElement.CF_PROPERTY_SOFT_DELETE)) {
PropertyColumnQualifier propertyColumnQualifier = KeyHelper.createPropertyColumnQualifier(cq, getNameSubstitutionStrategy());
String propertyKey = propertyColumnQualifier.getPropertyKey();
String propertyName = propertyColumnQualifier.getPropertyName();
String propIdent = propertyKey + ":" + propertyName;
activeVisibilities.remove(propIdent, columnVisibility);
softDeleteObserved.put(propIdent, column.getKey());
} else if (column.getKey().getColumnFamily().equals(AccumuloElement.CF_PROPERTY_METADATA)) {
PropertyMetadataColumnQualifier propertyMetadataColumnQualifier = KeyHelper.createPropertyMetadataColumnQualifier(cq, getNameSubstitutionStrategy());
String resultsKey = propertyMetadataColumnQualifier.getPropertyDiscriminator(column.getKey().getTimestamp());
HistoricalPropertyValue hpv = results.get(resultsKey);
if (hpv == null) {
continue;
}
Object value = vertexiumSerializer.bytesToObject(column.getValue().get());
Visibility metadataVisibility = accumuloVisibilityToVisibility(columnVisibility);
hpv.getMetadata().add(propertyMetadataColumnQualifier.getMetadataKey(), value, metadataVisibility);
}
}
for (Key entry : softDeleteObserved.values()) {
String cq = entry.getColumnQualifier().toString();
PropertyColumnQualifier propertyColumnQualifier = KeyHelper.createPropertyColumnQualifier(cq, getNameSubstitutionStrategy());
String propertyKey = propertyColumnQualifier.getPropertyKey();
String propertyName = propertyColumnQualifier.getPropertyName();
String propIdent = propertyKey + ":" + propertyName;
List active = activeVisibilities.get(propIdent);
if (active == null || active.isEmpty()) {
long timestamp = entry.getTimestamp() + 1;
String columnVisibility = entry.getColumnVisibility().toString();
Visibility propertyVisibility = accumuloVisibilityToVisibility(columnVisibility);
HistoricalPropertyValue hpv =
new HistoricalPropertyValueBuilder(propertyKey, propertyName, timestamp)
.propertyVisibility(propertyVisibility)
.isDeleted(true)
.build();
String resultsKey = propertyColumnQualifier.getDiscriminator(columnVisibility, timestamp);
results.put(resultsKey, hpv);
}
}
return new TreeSet<>(results.values());
} finally {
scanner.close();
}
} finally {
trace.stop();
}
}
@Override
public List getStreamingPropertyValueInputStreams(List streamingPropertyValues) {
if (streamingPropertyValues.size() == 0) {
return Collections.emptyList();
}
return streamingPropertyValueStorageStrategy.getInputStreams(streamingPropertyValues);
}
@Override
public Iterable getExtendedData(Iterable ids, Authorizations authorizations) {
List ranges = extendedDataRowIdToRange(ids);
Span trace = Trace.start("getExtendedData");
return getExtendedDataRowsInRange(trace, ranges, FetchHints.ALL, authorizations);
}
@Override
public Iterable getExtendedData(
ElementType elementType,
String elementId,
String tableName,
Authorizations authorizations
) {
try {
Span trace = Trace.start("getExtendedData");
trace.data("elementType", elementType.name());
trace.data("elementId", elementId);
trace.data("tableName", tableName);
org.apache.accumulo.core.data.Range range = org.apache.accumulo.core.data.Range.prefix(KeyHelper.createExtendedDataRowKey(elementType, elementId, tableName, ""));
return getExtendedDataRowsInRange(trace, Lists.newArrayList(range), FetchHints.ALL, authorizations);
} catch (IllegalStateException ex) {
throw new VertexiumException("Failed to get extended data: " + elementType + ":" + elementId + ":" + tableName, ex);
} catch (RuntimeException ex) {
if (ex.getCause() instanceof AccumuloSecurityException) {
throw new SecurityVertexiumException("Could not get extended data " + elementType + ":" + elementId + ":" + tableName + " with authorizations: " + authorizations, authorizations, ex.getCause());
}
throw ex;
}
}
@Override
public Iterable getExtendedDataInRange(ElementType elementType, Range elementIdRange, Authorizations authorizations) {
Range extendedDataRowKeyRange = KeyHelper.createExtendedDataRowKeyRange(elementType, elementIdRange);
return getExtendedDataInRange(extendedDataRowKeyRange, authorizations);
}
public Iterable getExtendedDataInRange(Range extendedDataRowKeyRange, Authorizations authorizations) {
Span trace = Trace.start("getExtendedDataInRange");
trace.data("rangeInclusiveStart", extendedDataRowKeyRange.getInclusiveStart());
trace.data("rangeExclusiveStart", extendedDataRowKeyRange.getExclusiveEnd());
org.apache.accumulo.core.data.Range range = vertexiumRangeToAccumuloRange(extendedDataRowKeyRange);
return getExtendedDataRowsInRange(trace, Collections.singletonList(range), FetchHints.ALL, authorizations);
}
private List extendedDataRowIdToRange(Iterable ids) {
return stream(ids)
.map(id -> org.apache.accumulo.core.data.Range.prefix(KeyHelper.createExtendedDataRowKey(id)))
.collect(Collectors.toList());
}
void saveExtendedDataMutations(
Element element,
ElementType elementType,
IndexHint indexHint,
Iterable extendedData,
Iterable extendedDataDeletes,
Authorizations authorizations
) {
if (extendedData == null) {
return;
}
String elementId = element.getId();
elementMutationBuilder.saveExtendedDataMarkers(elementId, elementType, extendedData);
elementMutationBuilder.saveExtendedData(this, elementId, elementType, extendedData);
elementMutationBuilder.saveExtendedDataDeletes(this, elementId, elementType, extendedDataDeletes);
if (indexHint != IndexHint.DO_NOT_INDEX) {
getSearchIndex().addElementExtendedData(this, element, extendedData, authorizations);
for (ExtendedDataDeleteMutation m : extendedDataDeletes) {
getSearchIndex().deleteExtendedData(
this,
element,
m.getTableName(),
m.getRow(),
m.getColumnName(),
m.getKey(),
m.getVisibility(),
authorizations
);
}
}
if (hasEventListeners()) {
for (ExtendedDataMutation extendedDataMutation : extendedData) {
queueEvent(new AddExtendedDataEvent(
AccumuloGraph.this,
element,
extendedDataMutation.getTableName(),
extendedDataMutation.getRow(),
extendedDataMutation.getColumnName(),
extendedDataMutation.getKey(),
extendedDataMutation.getValue(),
extendedDataMutation.getVisibility()
));
}
for (ExtendedDataDeleteMutation extendedDataDeleteMutation : extendedDataDeletes) {
queueEvent(new DeleteExtendedDataEvent(
AccumuloGraph.this,
element,
extendedDataDeleteMutation.getTableName(),
extendedDataDeleteMutation.getRow(),
extendedDataDeleteMutation.getColumnName(),
extendedDataDeleteMutation.getKey()
));
}
}
}
private static abstract class AddEdgeToVertexRunnable {
public abstract void run(AccumuloEdge edge);
}
@Override
public CloseableIterable getEdges(FetchHints fetchHints, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getEdges");
return getEdgesInRange(trace, null, null, fetchHints, endTime, authorizations);
}
@Override
public void deleteEdge(Edge edge, Authorizations authorizations) {
checkNotNull(edge);
Span trace = Trace.start("deleteEdge");
trace.data("edgeId", edge.getId());
try {
getSearchIndex().deleteElement(this, edge, authorizations);
ColumnVisibility visibility = visibilityToAccumuloVisibility(edge.getVisibility());
Mutation outMutation = new Mutation(edge.getVertexId(Direction.OUT));
outMutation.putDelete(AccumuloVertex.CF_OUT_EDGE, new Text(edge.getId()), visibility);
Mutation inMutation = new Mutation(edge.getVertexId(Direction.IN));
inMutation.putDelete(AccumuloVertex.CF_IN_EDGE, new Text(edge.getId()), visibility);
addMutations(VertexiumObjectType.VERTEX, outMutation, inMutation);
deleteAllExtendedDataForElement(edge, authorizations);
// Deletes everything else related to edge.
addMutations(VertexiumObjectType.EDGE, getDeleteRowMutation(edge.getId()));
if (hasEventListeners()) {
queueEvent(new DeleteEdgeEvent(this, edge));
}
} finally {
trace.stop();
}
}
@Override
public void deleteExtendedDataRow(ExtendedDataRowId rowId, Authorizations authorizations) {
checkNotNull(rowId);
Span trace = Trace.start("deleteExtendedDataRow");
trace.data("rowId", rowId.toString());
try {
getSearchIndex().deleteExtendedData(this, rowId, authorizations);
addMutations(VertexiumObjectType.EXTENDED_DATA, getDeleteExtendedDataMutations(rowId));
if (hasEventListeners()) {
queueEvent(new DeleteExtendedDataRowEvent(this, rowId));
}
} finally {
trace.stop();
}
}
@Override
public void softDeleteEdge(Edge edge, Long timestamp, Authorizations authorizations) {
checkNotNull(edge);
Span trace = Trace.start("softDeleteEdge");
trace.data("edgeId", edge.getId());
try {
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
getSearchIndex().deleteElement(this, edge, authorizations);
ColumnVisibility visibility = visibilityToAccumuloVisibility(edge.getVisibility());
Mutation outMutation = new Mutation(edge.getVertexId(Direction.OUT));
outMutation.put(AccumuloVertex.CF_OUT_EDGE_SOFT_DELETE, new Text(edge.getId()), visibility, timestamp, AccumuloElement.SOFT_DELETE_VALUE);
Mutation inMutation = new Mutation(edge.getVertexId(Direction.IN));
inMutation.put(AccumuloVertex.CF_IN_EDGE_SOFT_DELETE, new Text(edge.getId()), visibility, timestamp, AccumuloElement.SOFT_DELETE_VALUE);
addMutations(VertexiumObjectType.VERTEX, outMutation, inMutation);
// Soft deletes everything else related to edge.
addMutations(VertexiumObjectType.EDGE, getSoftDeleteRowMutation(edge.getId(), timestamp));
if (hasEventListeners()) {
queueEvent(new SoftDeleteEdgeEvent(this, edge));
}
} finally {
trace.stop();
}
}
@Override
public void markEdgeHidden(Edge edge, Visibility visibility, Authorizations authorizations) {
checkNotNull(edge);
Span trace = Trace.start("markEdgeHidden");
trace.data("edgeId", edge.getId());
try {
Vertex out = edge.getVertex(Direction.OUT, authorizations);
if (out == null) {
throw new VertexiumException(String.format("Unable to mark edge hidden %s, can't find out vertex %s", edge.getId(), edge.getVertexId(Direction.OUT)));
}
Vertex in = edge.getVertex(Direction.IN, authorizations);
if (in == null) {
throw new VertexiumException(String.format("Unable to mark edge hidden %s, can't find in vertex %s", edge.getId(), edge.getVertexId(Direction.IN)));
}
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
Mutation outMutation = new Mutation(out.getId());
outMutation.put(AccumuloVertex.CF_OUT_EDGE_HIDDEN, new Text(edge.getId()), columnVisibility, AccumuloElement.HIDDEN_VALUE);
Mutation inMutation = new Mutation(in.getId());
inMutation.put(AccumuloVertex.CF_IN_EDGE_HIDDEN, new Text(edge.getId()), columnVisibility, AccumuloElement.HIDDEN_VALUE);
addMutations(VertexiumObjectType.VERTEX, outMutation, inMutation);
// Delete everything else related to edge.
addMutations(VertexiumObjectType.EDGE, getMarkHiddenRowMutation(edge.getId(), columnVisibility));
if (out instanceof AccumuloVertex) {
((AccumuloVertex) out).removeOutEdge(edge);
}
if (in instanceof AccumuloVertex) {
((AccumuloVertex) in).removeInEdge(edge);
}
getSearchIndex().markElementHidden(this, edge, visibility, authorizations);
if (hasEventListeners()) {
queueEvent(new MarkHiddenEdgeEvent(this, edge));
}
} finally {
trace.stop();
}
}
@Override
public void markEdgeVisible(Edge edge, Visibility visibility, Authorizations authorizations) {
checkNotNull(edge);
Span trace = Trace.start("markEdgeVisible");
trace.data("edgeId", edge.getId());
try {
Vertex out = edge.getVertex(Direction.OUT, FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
if (out == null) {
throw new VertexiumException(String.format("Unable to mark edge visible %s, can't find out vertex %s", edge.getId(), edge.getVertexId(Direction.OUT)));
}
Vertex in = edge.getVertex(Direction.IN, FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
if (in == null) {
throw new VertexiumException(String.format("Unable to mark edge visible %s, can't find in vertex %s", edge.getId(), edge.getVertexId(Direction.IN)));
}
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
Mutation outMutation = new Mutation(out.getId());
outMutation.putDelete(AccumuloVertex.CF_OUT_EDGE_HIDDEN, new Text(edge.getId()), columnVisibility);
Mutation inMutation = new Mutation(in.getId());
inMutation.putDelete(AccumuloVertex.CF_IN_EDGE_HIDDEN, new Text(edge.getId()), columnVisibility);
addMutations(VertexiumObjectType.VERTEX, outMutation, inMutation);
// Delete everything else related to edge.
addMutations(VertexiumObjectType.EDGE, getMarkVisibleRowMutation(edge.getId(), columnVisibility));
if (out instanceof AccumuloVertex) {
((AccumuloVertex) out).addOutEdge(edge);
}
if (in instanceof AccumuloVertex) {
((AccumuloVertex) in).addInEdge(edge);
}
getSearchIndex().markElementVisible(this, edge, visibility, authorizations);
if (hasEventListeners()) {
queueEvent(new MarkVisibleEdgeEvent(this, edge));
}
} finally {
trace.stop();
}
}
@Override
public Authorizations createAuthorizations(String... auths) {
return new AccumuloAuthorizations(auths);
}
public void markPropertyHidden(
AccumuloElement element,
Property property,
Long timestamp,
Visibility visibility,
@SuppressWarnings("UnusedParameters") Authorizations authorizations
) {
checkNotNull(element);
Span trace = Trace.start("markPropertyHidden");
trace.data("elementId", element.getId());
trace.data("propertyName", property.getName());
trace.data("propertyKey", property.getKey());
try {
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
if (element instanceof Vertex) {
addMutations(VertexiumObjectType.VERTEX, getMarkHiddenPropertyMutation(element.getId(), property, timestamp, columnVisibility));
} else if (element instanceof Edge) {
addMutations(VertexiumObjectType.EDGE, getMarkHiddenPropertyMutation(element.getId(), property, timestamp, columnVisibility));
}
getSearchIndex().markPropertyHidden(this, element, property, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkHiddenPropertyEvent(this, element, property, visibility));
}
} finally {
trace.stop();
}
}
private Mutation getMarkHiddenPropertyMutation(String rowKey, Property property, long timestamp, ColumnVisibility visibility) {
Mutation m = new Mutation(rowKey);
Text columnQualifier = KeyHelper.getColumnQualifierFromPropertyHiddenColumnQualifier(property, getNameSubstitutionStrategy());
m.put(AccumuloElement.CF_PROPERTY_HIDDEN, columnQualifier, visibility, timestamp, AccumuloElement.HIDDEN_VALUE);
return m;
}
@SuppressWarnings("unused")
public void markPropertyVisible(AccumuloElement element, Property property, Long timestamp, Visibility visibility, Authorizations authorizations) {
checkNotNull(element);
Span trace = Trace.start("markPropertyVisible");
trace.data("elementId", element.getId());
trace.data("propertyName", property.getName());
trace.data("propertyKey", property.getKey());
try {
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
ColumnVisibility columnVisibility = visibilityToAccumuloVisibility(visibility);
if (element instanceof Vertex) {
addMutations(VertexiumObjectType.VERTEX, getMarkVisiblePropertyMutation(element.getId(), property, timestamp, columnVisibility));
} else if (element instanceof Edge) {
addMutations(VertexiumObjectType.EDGE, getMarkVisiblePropertyMutation(element.getId(), property, timestamp, columnVisibility));
}
getSearchIndex().markPropertyVisible(this, element, property, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkVisiblePropertyEvent(this, element, property, visibility));
}
} finally {
trace.stop();
}
}
private Mutation getMarkVisiblePropertyMutation(String rowKey, Property property, long timestamp, ColumnVisibility visibility) {
Mutation m = new Mutation(rowKey);
Text columnQualifier = KeyHelper.getColumnQualifierFromPropertyHiddenColumnQualifier(property, getNameSubstitutionStrategy());
m.put(AccumuloElement.CF_PROPERTY_HIDDEN, columnQualifier, visibility, timestamp, AccumuloElement.HIDDEN_VALUE_DELETED);
return m;
}
@Override
public void flushGraph() {
flushWriter(this.batchWriter);
}
@Override
public void flush() {
if (hasEventListeners()) {
synchronized (this.graphEventQueue) {
flushWritersAndSuper();
flushGraphEventQueue();
}
} else {
flushWritersAndSuper();
}
}
private void flushWritersAndSuper() {
flushWriter(this.batchWriter);
super.flush();
}
private void flushGraphEventQueue() {
GraphEvent graphEvent;
while ((graphEvent = this.graphEventQueue.poll()) != null) {
fireGraphEvent(graphEvent);
}
}
private static void flushWriter(MultiTableBatchWriter writer) {
if (writer == null) {
return;
}
try {
if (!writer.isClosed()) {
writer.flush();
}
} catch (MutationsRejectedException e) {
throw new VertexiumException("Unable to flush writer", e);
}
}
@Override
public void shutdown() {
try {
flush();
super.shutdown();
streamingPropertyValueStorageStrategy.close();
this.graphMetadataStore.close();
this.curatorFramework.close();
this.batchWriter.close();
} catch (Exception ex) {
throw new VertexiumException(ex);
}
}
private Mutation getDeleteRowMutation(String rowKey) {
Mutation m = new Mutation(rowKey);
m.put(AccumuloElement.DELETE_ROW_COLUMN_FAMILY, AccumuloElement.DELETE_ROW_COLUMN_QUALIFIER, RowDeletingIterator.DELETE_ROW_VALUE);
return m;
}
private Mutation getSoftDeleteRowMutation(String rowKey, long timestamp) {
Mutation m = new Mutation(rowKey);
m.put(AccumuloElement.CF_SOFT_DELETE, AccumuloElement.CQ_SOFT_DELETE, timestamp, AccumuloElement.SOFT_DELETE_VALUE);
return m;
}
private Mutation getMarkHiddenRowMutation(String rowKey, ColumnVisibility visibility) {
Mutation m = new Mutation(rowKey);
m.put(AccumuloElement.CF_HIDDEN, AccumuloElement.CQ_HIDDEN, visibility, AccumuloElement.HIDDEN_VALUE);
return m;
}
private Mutation getMarkVisibleRowMutation(String rowKey, ColumnVisibility visibility) {
Mutation m = new Mutation(rowKey);
m.putDelete(AccumuloElement.CF_HIDDEN, AccumuloElement.CQ_HIDDEN, visibility);
return m;
}
public VertexiumSerializer getVertexiumSerializer() {
return vertexiumSerializer;
}
@Override
public AccumuloGraphConfiguration getConfiguration() {
return (AccumuloGraphConfiguration) super.getConfiguration();
}
@Override
public Vertex getVertex(String vertexId, FetchHints fetchHints, Long endTime, Authorizations authorizations) throws VertexiumException {
try {
if (vertexId == null) {
return null;
}
Span trace = Trace.start("getVertex");
trace.data("vertexId", vertexId);
traceDataFetchHints(trace, fetchHints);
return singleOrDefault(getVerticesInRange(trace, new org.apache.accumulo.core.data.Range(vertexId), fetchHints, endTime, authorizations), null);
} catch (IllegalStateException ex) {
throw new VertexiumException("Failed to find vertex with id: " + vertexId, ex);
} catch (RuntimeException ex) {
if (ex.getCause() instanceof AccumuloSecurityException) {
throw new SecurityVertexiumException("Could not get vertex " + vertexId + " with authorizations: " + authorizations, authorizations, ex.getCause());
}
throw ex;
}
}
@Override
public Iterable getVerticesWithPrefix(String vertexIdPrefix, FetchHints fetchHints, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getVerticesWithPrefix");
trace.data("vertexIdPrefix", vertexIdPrefix);
traceDataFetchHints(trace, fetchHints);
org.apache.accumulo.core.data.Range range = org.apache.accumulo.core.data.Range.prefix(vertexIdPrefix);
return getVerticesInRange(trace, range, fetchHints, endTime, authorizations);
}
@Override
public Iterable getVerticesInRange(Range idRange, FetchHints fetchHints, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getVerticesInRange");
trace.data("rangeInclusiveStart", idRange.getInclusiveStart());
trace.data("rangeExclusiveStart", idRange.getExclusiveEnd());
traceDataFetchHints(trace, fetchHints);
org.apache.accumulo.core.data.Range range = vertexiumRangeToAccumuloRange(idRange);
return getVerticesInRange(trace, range, fetchHints, endTime, authorizations);
}
private CloseableIterable getVerticesInRange(
Span trace,
String startId,
String endId,
FetchHints fetchHints,
Long timestamp,
final Authorizations authorizations
) throws VertexiumException {
trace.data("startId", startId);
trace.data("endId", endId);
if (Trace.isTracing() && timestamp != null) {
trace.data("timestamp", Long.toString(timestamp));
}
traceDataFetchHints(trace, fetchHints);
final Key startKey;
if (startId == null) {
startKey = null;
} else {
startKey = new Key(startId);
}
final Key endKey;
if (endId == null) {
endKey = null;
} else {
endKey = new Key(endId).followingKey(PartialKey.ROW);
}
org.apache.accumulo.core.data.Range range = new org.apache.accumulo.core.data.Range(startKey, endKey);
return getVerticesInRange(trace, range, fetchHints, timestamp, authorizations);
}
protected ScannerBase createVertexScanner(
FetchHints fetchHints,
Integer maxVersions,
Long startTime,
Long endTime,
org.apache.accumulo.core.data.Range range,
Authorizations authorizations
) throws VertexiumException {
return createElementScanner(fetchHints, ElementType.VERTEX, maxVersions, startTime, endTime, Lists.newArrayList(range), authorizations);
}
protected ScannerBase createEdgeScanner(
FetchHints fetchHints,
Integer maxVersions,
Long startTime,
Long endTime,
org.apache.accumulo.core.data.Range range,
Authorizations authorizations
) throws VertexiumException {
return createElementScanner(fetchHints, ElementType.EDGE, maxVersions, startTime, endTime, Lists.newArrayList(range), authorizations);
}
private ScannerBase createElementScanner(
FetchHints fetchHints,
ElementType elementType,
Integer maxVersions,
Long startTime,
Long endTime,
Collection ranges,
Authorizations authorizations
) throws VertexiumException {
return createElementScanner(fetchHints, elementType, maxVersions, startTime, endTime, ranges, true, authorizations);
}
ScannerBase createElementScanner(
FetchHints fetchHints,
ElementType elementType,
Integer maxVersions,
Long startTime,
Long endTime,
Collection ranges,
boolean useVertexiumElementIterators,
Authorizations authorizations
) throws VertexiumException {
try {
String tableName;
if (isHistoryInSeparateTable() && (startTime != null || endTime != null || maxVersions == null || maxVersions > 1)) {
tableName = getHistoryTableNameFromElementType(elementType);
} else {
tableName = getTableNameFromElementType(elementType);
}
ScannerBase scanner;
if (ranges == null || ranges.size() == 1) {
org.apache.accumulo.core.data.Range range = ranges == null ? null : ranges.iterator().next();
scanner = createScanner(tableName, range, authorizations);
} else {
scanner = createBatchScanner(tableName, ranges, authorizations);
}
if (startTime != null || endTime != null) {
IteratorSetting iteratorSetting = new IteratorSetting(
80,
TimestampFilter.class.getSimpleName(),
TimestampFilter.class
);
if (startTime != null) {
TimestampFilter.setStart(iteratorSetting, startTime, true);
}
if (endTime != null) {
TimestampFilter.setEnd(iteratorSetting, endTime, true);
}
scanner.addScanIterator(iteratorSetting);
}
if (maxVersions != null) {
IteratorSetting versioningIteratorSettings = new IteratorSetting(
90,
VersioningIterator.class.getSimpleName(),
VersioningIterator.class
);
VersioningIterator.setMaxVersions(versioningIteratorSettings, maxVersions);
scanner.addScanIterator(versioningIteratorSettings);
}
if (useVertexiumElementIterators) {
if (elementType == ElementType.VERTEX) {
IteratorSetting vertexIteratorSettings = new IteratorSetting(
1000,
VertexIterator.class.getSimpleName(),
VertexIterator.class
);
VertexIterator.setFetchHints(vertexIteratorSettings, toIteratorFetchHints(fetchHints));
scanner.addScanIterator(vertexIteratorSettings);
} else if (elementType == ElementType.EDGE) {
IteratorSetting edgeIteratorSettings = new IteratorSetting(
1000,
EdgeIterator.class.getSimpleName(),
EdgeIterator.class
);
EdgeIterator.setFetchHints(edgeIteratorSettings, toIteratorFetchHints(fetchHints));
scanner.addScanIterator(edgeIteratorSettings);
} else {
throw new VertexiumException("Unexpected element type: " + elementType);
}
}
applyFetchHints(scanner, fetchHints, elementType);
GRAPH_LOGGER.logStartIterator(scanner);
return scanner;
} catch (TableNotFoundException e) {
throw new VertexiumException(e);
}
}
public IteratorFetchHints toIteratorFetchHints(FetchHints fetchHints) {
return new IteratorFetchHints(
fetchHints.isIncludeAllProperties(),
deflate(fetchHints.getPropertyNamesToInclude()),
fetchHints.isIncludeAllPropertyMetadata(),
deflate(fetchHints.getMetadataKeysToInclude()),
fetchHints.isIncludeHidden(),
fetchHints.isIncludeAllEdgeRefs(),
fetchHints.isIncludeOutEdgeRefs(),
fetchHints.isIncludeInEdgeRefs(),
deflate(fetchHints.getEdgeLabelsOfEdgeRefsToInclude()),
fetchHints.isIncludeEdgeLabelsAndCounts(),
fetchHints.isIncludeExtendedDataTableNames()
);
}
private ImmutableSet deflate(ImmutableSet strings) {
if (strings == null) {
return null;
}
return ImmutableSet.copyOf(
strings.stream()
.map(s -> getNameSubstitutionStrategy().deflate(s))
.collect(Collectors.toSet())
);
}
protected ScannerBase createVertexScanner(
FetchHints fetchHints,
Integer maxVersions,
Long startTime,
Long endTime,
Collection ranges,
Authorizations authorizations
) throws VertexiumException {
return createElementScanner(
fetchHints,
ElementType.VERTEX,
maxVersions,
startTime,
endTime,
ranges,
authorizations
);
}
protected ScannerBase createEdgeScanner(
FetchHints fetchHints,
Integer maxVersions,
Long startTime,
Long endTime,
Collection ranges,
Authorizations authorizations
) throws VertexiumException {
return createElementScanner(
fetchHints,
ElementType.EDGE,
maxVersions,
startTime,
endTime,
ranges,
authorizations
);
}
public ScannerBase createBatchScanner(
String tableName,
Collection ranges,
Authorizations authorizations
) throws TableNotFoundException {
org.apache.accumulo.core.security.Authorizations accumuloAuthorizations = toAccumuloAuthorizations(authorizations);
return createBatchScanner(tableName, ranges, accumuloAuthorizations);
}
public ScannerBase createBatchScanner(
String tableName,
Collection ranges,
org.apache.accumulo.core.security.Authorizations accumuloAuthorizations
) throws TableNotFoundException {
ScannerBase scanner;
scanner = connector.createBatchScanner(tableName, accumuloAuthorizations, numberOfQueryThreads);
((BatchScanner) scanner).setRanges(ranges);
return scanner;
}
private Scanner createScanner(
String tableName,
org.apache.accumulo.core.data.Range range,
Authorizations authorizations
) throws TableNotFoundException {
org.apache.accumulo.core.security.Authorizations accumuloAuthorizations = toAccumuloAuthorizations(authorizations);
return createScanner(tableName, range, accumuloAuthorizations);
}
private Scanner createScanner(
String tableName,
org.apache.accumulo.core.data.Range range,
org.apache.accumulo.core.security.Authorizations accumuloAuthorizations
) throws TableNotFoundException {
Scanner scanner = connector.createScanner(tableName, accumuloAuthorizations);
if (range != null) {
scanner.setRange(range);
}
return scanner;
}
private void applyFetchHints(ScannerBase scanner, FetchHints fetchHints, ElementType elementType) {
scanner.clearColumns();
Iterable columnFamiliesToFetch = getColumnFamiliesToFetch(elementType, fetchHints);
for (Text columnFamilyToFetch : columnFamiliesToFetch) {
scanner.fetchColumnFamily(columnFamilyToFetch);
}
}
public static Iterable getColumnFamiliesToFetch(ElementType elementType, FetchHints fetchHints) {
List columnFamiliesToFetch = new ArrayList<>();
columnFamiliesToFetch.add(AccumuloElement.CF_HIDDEN);
columnFamiliesToFetch.add(AccumuloElement.CF_SOFT_DELETE);
columnFamiliesToFetch.add(AccumuloElement.DELETE_ROW_COLUMN_FAMILY);
if (elementType == ElementType.VERTEX) {
columnFamiliesToFetch.add(AccumuloVertex.CF_SIGNAL);
} else if (elementType == ElementType.EDGE) {
columnFamiliesToFetch.add(AccumuloEdge.CF_SIGNAL);
columnFamiliesToFetch.add(AccumuloEdge.CF_IN_VERTEX);
columnFamiliesToFetch.add(AccumuloEdge.CF_OUT_VERTEX);
} else {
throw new VertexiumException("Unhandled element type: " + elementType);
}
if (fetchHints.isIncludeAllEdgeRefs()
|| fetchHints.isIncludeInEdgeRefs()
|| fetchHints.isIncludeEdgeLabelsAndCounts()
|| fetchHints.hasEdgeLabelsOfEdgeRefsToInclude()) {
columnFamiliesToFetch.add(AccumuloVertex.CF_IN_EDGE);
columnFamiliesToFetch.add(AccumuloVertex.CF_IN_EDGE_HIDDEN);
columnFamiliesToFetch.add(AccumuloVertex.CF_IN_EDGE_SOFT_DELETE);
}
if (fetchHints.isIncludeAllEdgeRefs()
|| fetchHints.isIncludeOutEdgeRefs()
|| fetchHints.isIncludeEdgeLabelsAndCounts()
|| fetchHints.hasEdgeLabelsOfEdgeRefsToInclude()) {
columnFamiliesToFetch.add(AccumuloVertex.CF_OUT_EDGE);
columnFamiliesToFetch.add(AccumuloVertex.CF_OUT_EDGE_HIDDEN);
columnFamiliesToFetch.add(AccumuloVertex.CF_OUT_EDGE_SOFT_DELETE);
}
if (fetchHints.isIncludeProperties()) {
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY);
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY_HIDDEN);
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY_SOFT_DELETE);
}
if (fetchHints.isIncludePropertyMetadata()) {
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY_METADATA);
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY_HIDDEN);
columnFamiliesToFetch.add(AccumuloElement.CF_PROPERTY_SOFT_DELETE);
}
if (fetchHints.isIncludeExtendedDataTableNames()) {
columnFamiliesToFetch.add(AccumuloElement.CF_EXTENDED_DATA);
}
return columnFamiliesToFetch;
}
public String getTableNameFromElementType(ElementType elementType) {
switch (elementType) {
case VERTEX:
return getVerticesTableName();
case EDGE:
return getEdgesTableName();
default:
throw new VertexiumException("Unexpected element type: " + elementType);
}
}
public String getHistoryTableNameFromElementType(ElementType elementType) {
switch (elementType) {
case VERTEX:
return getHistoryVerticesTableName();
case EDGE:
return getHistoryEdgesTableName();
default:
throw new VertexiumException("Unexpected element type: " + elementType);
}
}
public org.apache.accumulo.core.security.Authorizations toAccumuloAuthorizations(Authorizations authorizations) {
if (authorizations == null) {
throw new NullPointerException("authorizations is required");
}
return new org.apache.accumulo.core.security.Authorizations(authorizations.getAuthorizations());
}
@Override
public Edge getEdge(String edgeId, FetchHints fetchHints, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getEdge");
trace.data("edgeId", edgeId);
try {
return singleOrDefault(getEdgesInRange(trace, edgeId, edgeId, fetchHints, endTime, authorizations), null);
} catch (IllegalStateException ex) {
throw new VertexiumException("Failed to find edge with id: " + edgeId, ex);
} catch (RuntimeException ex) {
if (ex.getCause() instanceof AccumuloSecurityException) {
throw new SecurityVertexiumException("Could not get edge " + edgeId + " with authorizations: " + authorizations, authorizations, ex.getCause());
}
throw ex;
}
}
public static ColumnVisibility visibilityToAccumuloVisibility(Visibility visibility) {
return new ColumnVisibility(visibility.getVisibilityString());
}
public static ColumnVisibility visibilityToAccumuloVisibility(String visibilityString) {
return new ColumnVisibility(visibilityString);
}
public static Visibility accumuloVisibilityToVisibility(ColumnVisibility columnVisibility) {
if (columnVisibility.equals(EMPTY_COLUMN_VISIBILITY)) {
return Visibility.EMPTY;
}
String columnVisibilityString = columnVisibility.toString();
return accumuloVisibilityToVisibility(columnVisibilityString);
}
public static Visibility accumuloVisibilityToVisibility(Text columnVisibility) {
return accumuloVisibilityToVisibility(columnVisibility.toString());
}
public static Visibility accumuloVisibilityToVisibility(String columnVisibilityString) {
if (columnVisibilityString.startsWith("[") && columnVisibilityString.endsWith("]")) {
if (columnVisibilityString.length() == 2) {
return Visibility.EMPTY;
}
columnVisibilityString = columnVisibilityString.substring(1, columnVisibilityString.length() - 1);
}
if (columnVisibilityString.length() == 0) {
return Visibility.EMPTY;
}
return new Visibility(columnVisibilityString);
}
public static String getVerticesTableName(String tableNamePrefix) {
return tableNamePrefix + "_v";
}
public static String getHistoryVerticesTableName(String tableNamePrefix) {
return tableNamePrefix + "_vh";
}
public static String getEdgesTableName(String tableNamePrefix) {
return tableNamePrefix.concat("_e");
}
public static String getHistoryEdgesTableName(String tableNamePrefix) {
return tableNamePrefix.concat("_eh");
}
public static String getExtendedDataTableName(String tableNamePrefix) {
return tableNamePrefix + "_extdata";
}
public static String getDataTableName(String tableNamePrefix) {
return tableNamePrefix.concat("_d");
}
public static String getMetadataTableName(String tableNamePrefix) {
return tableNamePrefix.concat("_m");
}
public String getVerticesTableName() {
return verticesTableName;
}
public String getHistoryVerticesTableName() {
return historyVerticesTableName;
}
public String getEdgesTableName() {
return edgesTableName;
}
public String getHistoryEdgesTableName() {
return historyEdgesTableName;
}
public String getExtendedDataTableName() {
return extendedDataTableName;
}
public String getDataTableName() {
return dataTableName;
}
public String getMetadataTableName() {
return metadataTableName;
}
public StreamingPropertyValueStorageStrategy getStreamingPropertyValueStorageStrategy() {
return streamingPropertyValueStorageStrategy;
}
public AccumuloGraphLogger getGraphLogger() {
return GRAPH_LOGGER;
}
public Connector getConnector() {
return connector;
}
public Iterable listVerticesTableSplits() {
return listTableSplits(getVerticesTableName());
}
public Iterable listHistoryVerticesTableSplits() {
return listTableSplits(getHistoryVerticesTableName());
}
public Iterable listEdgesTableSplits() {
return listTableSplits(getEdgesTableName());
}
public Iterable listHistoryEdgesTableSplits() {
return listTableSplits(getHistoryEdgesTableName());
}
public Iterable listDataTableSplits() {
return listTableSplits(getDataTableName());
}
public Iterable listExtendedDataTableSplits() {
return listTableSplits(getExtendedDataTableName());
}
private Iterable listTableSplits(String tableName) {
try {
return splitsIterableToRangeIterable(getConnector().tableOperations().listSplits(tableName));
} catch (Exception ex) {
throw new VertexiumException("Could not get splits for: " + tableName, ex);
}
}
private Iterable splitsIterableToRangeIterable(final Iterable splits) {
String inclusiveStart = null;
List ranges = new ArrayList<>();
for (Text split : splits) {
String exclusiveEnd = new Key(split).getRow().toString();
ranges.add(new Range(inclusiveStart, exclusiveEnd));
inclusiveStart = exclusiveEnd;
}
ranges.add(new Range(inclusiveStart, null));
return ranges;
}
void alterElementVisibility(AccumuloElement element, Visibility newVisibility) {
String elementRowKey = element.getId();
Span trace = Trace.start("alterElementVisibility");
trace.data("elementRowKey", elementRowKey);
try {
if (element instanceof Edge) {
Edge edge = (Edge) element;
String vertexOutRowKey = edge.getVertexId(Direction.OUT);
Mutation vertexOutMutation = new Mutation(vertexOutRowKey);
if (elementMutationBuilder.alterEdgeVertexOutVertex(vertexOutMutation, edge, newVisibility)) {
addMutations(VertexiumObjectType.VERTEX, vertexOutMutation);
}
String vertexInRowKey = edge.getVertexId(Direction.IN);
Mutation vertexInMutation = new Mutation(vertexInRowKey);
if (elementMutationBuilder.alterEdgeVertexInVertex(vertexInMutation, edge, newVisibility)) {
addMutations(VertexiumObjectType.VERTEX, vertexInMutation);
}
}
Mutation m = new Mutation(elementRowKey);
if (elementMutationBuilder.alterElementVisibility(m, element, newVisibility)) {
addMutations(element, m);
}
element.setVisibility(newVisibility);
} finally {
trace.stop();
}
}
public void alterEdgeLabel(AccumuloEdge edge, String newEdgeLabel) {
elementMutationBuilder.alterEdgeLabel(edge, newEdgeLabel);
}
void alterElementPropertyVisibilities(AccumuloElement element, List alterPropertyVisibilities) {
if (alterPropertyVisibilities.size() == 0) {
return;
}
String elementRowKey = element.getId();
Mutation m = new Mutation(elementRowKey);
List propertyList = Lists.newArrayList();
for (AlterPropertyVisibility apv : alterPropertyVisibilities) {
MutableProperty property = (MutableProperty) element.getProperty(
apv.getKey(),
apv.getName(),
apv.getExistingVisibility()
);
if (property == null) {
throw new VertexiumException("Could not find property " + apv.getKey() + ":" + apv.getName());
}
if (property.getVisibility().equals(apv.getVisibility())) {
continue;
}
if (apv.getExistingVisibility() == null) {
apv.setExistingVisibility(property.getVisibility());
}
elementMutationBuilder.addPropertySoftDeleteToMutation(m, property);
property.setVisibility(apv.getVisibility());
property.setTimestamp(apv.getTimestamp());
elementMutationBuilder.addPropertyToMutation(this, m, elementRowKey, property);
// Keep track of properties that need to be removed from indices
propertyList.add(PropertyDescriptor.from(apv.getKey(), apv.getName(), apv.getExistingVisibility()));
}
if (!propertyList.isEmpty()) {
addMutations(element, m);
}
}
void alterPropertyMetadatas(AccumuloElement element, List setPropertyMetadatas) {
if (setPropertyMetadatas.size() == 0) {
return;
}
String elementRowKey = element.getId();
Mutation m = new Mutation(elementRowKey);
for (SetPropertyMetadata apm : setPropertyMetadatas) {
Property property = element.getProperty(apm.getPropertyKey(), apm.getPropertyName(), apm.getPropertyVisibility());
if (property == null) {
throw new VertexiumException(String.format("Could not find property %s:%s(%s)", apm.getPropertyKey(), apm.getPropertyName(), apm.getPropertyVisibility()));
}
if (property.getFetchHints().isIncludePropertyAndMetadata(property.getName())) {
property.getMetadata().add(apm.getMetadataName(), apm.getNewValue(), apm.getMetadataVisibility());
}
elementMutationBuilder.addPropertyMetadataItemToMutation(
m,
property,
apm.getMetadataName(),
apm.getNewValue(),
apm.getMetadataVisibility()
);
}
addMutations(element, m);
}
@Override
public boolean isVisibilityValid(Visibility visibility, Authorizations authorizations) {
return authorizations.canRead(visibility);
}
private boolean isHistoryInSeparateTable() {
return historyInSeparateTable;
}
@Override
public void truncate() {
try {
this.connector.tableOperations().deleteRows(getDataTableName(), null, null);
this.connector.tableOperations().deleteRows(getEdgesTableName(), null, null);
this.connector.tableOperations().deleteRows(getVerticesTableName(), null, null);
this.connector.tableOperations().deleteRows(getExtendedDataTableName(), null, null);
this.connector.tableOperations().deleteRows(getMetadataTableName(), null, null);
if (isHistoryInSeparateTable()) {
this.connector.tableOperations().deleteRows(getHistoryEdgesTableName(), null, null);
this.connector.tableOperations().deleteRows(getHistoryVerticesTableName(), null, null);
}
getSearchIndex().truncate(this);
} catch (Exception ex) {
throw new VertexiumException("Could not delete rows", ex);
}
}
@Override
public void drop() {
try {
dropTableIfExists(getDataTableName());
dropTableIfExists(getEdgesTableName());
dropTableIfExists(getVerticesTableName());
dropTableIfExists(getMetadataTableName());
if (isHistoryInSeparateTable()) {
dropTableIfExists(getHistoryEdgesTableName());
dropTableIfExists(getHistoryVerticesTableName());
}
getSearchIndex().drop(this);
} catch (Exception ex) {
throw new VertexiumException("Could not drop tables", ex);
}
}
private void dropTableIfExists(String tableName) throws AccumuloException, AccumuloSecurityException, TableNotFoundException {
if (this.connector.tableOperations().exists(tableName)) {
this.connector.tableOperations().delete(tableName);
}
}
@Override
public Iterable findRelatedEdgeIds(Iterable vertexIds, Long endTime, Authorizations authorizations) {
Set vertexIdsSet = IterableUtils.toSet(vertexIds);
Span trace = Trace.start("findRelatedEdges");
try {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("findRelatedEdges:\n %s", IterableUtils.join(vertexIdsSet, "\n "));
}
if (vertexIdsSet.size() == 0) {
return new HashSet<>();
}
List ranges = new ArrayList<>();
for (String vertexId : vertexIdsSet) {
ranges.add(RangeUtils.createRangeFromString(vertexId));
}
Long startTime = null;
int maxVersions = 1;
FetchHints fetchHints = FetchHints.builder()
.setIncludeOutEdgeRefs(true)
.build();
ScannerBase scanner = createElementScanner(
fetchHints,
ElementType.VERTEX,
maxVersions,
startTime,
endTime,
ranges,
false,
authorizations
);
IteratorSetting edgeRefFilterSettings = new IteratorSetting(
1000,
EdgeRefFilter.class.getSimpleName(),
EdgeRefFilter.class
);
EdgeRefFilter.setVertexIds(edgeRefFilterSettings, vertexIdsSet);
scanner.addScanIterator(edgeRefFilterSettings);
IteratorSetting vertexEdgeIdIteratorSettings = new IteratorSetting(
1001,
VertexEdgeIdIterator.class.getSimpleName(),
VertexEdgeIdIterator.class
);
scanner.addScanIterator(vertexEdgeIdIteratorSettings);
final long timerStartTime = System.currentTimeMillis();
try {
Iterator> it = scanner.iterator();
List edgeIds = new ArrayList<>();
while (it.hasNext()) {
Map.Entry c = it.next();
for (ByteArrayWrapper edgeId : VertexEdgeIdIterator.decodeValue(c.getValue())) {
edgeIds.add(new Text(edgeId.getData()).toString());
}
}
return edgeIds;
} finally {
scanner.close();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
} finally {
trace.stop();
}
}
@Override
public Iterable findRelatedEdgeSummary(Iterable vertexIds, Long endTime, Authorizations authorizations) {
Set vertexIdsSet = IterableUtils.toSet(vertexIds);
Span trace = Trace.start("findRelatedEdgeSummary");
try {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("findRelatedEdgeSummary:\n %s", IterableUtils.join(vertexIdsSet, "\n "));
}
if (vertexIdsSet.size() == 0) {
return new ArrayList<>();
}
List ranges = new ArrayList<>();
for (String vertexId : vertexIdsSet) {
ranges.add(RangeUtils.createRangeFromString(vertexId));
}
Long startTime = null;
int maxVersions = 1;
FetchHints fetchHints = FetchHints.builder()
.setIncludeOutEdgeRefs(true)
.build();
ScannerBase scanner = createElementScanner(
fetchHints,
ElementType.VERTEX,
maxVersions,
startTime,
endTime,
ranges,
false,
authorizations
);
IteratorSetting edgeRefFilterSettings = new IteratorSetting(
1000,
EdgeRefFilter.class.getSimpleName(),
EdgeRefFilter.class
);
EdgeRefFilter.setVertexIds(edgeRefFilterSettings, vertexIdsSet);
scanner.addScanIterator(edgeRefFilterSettings);
final long timerStartTime = System.currentTimeMillis();
try {
List results = new ArrayList<>();
Map edgeAddTimestamps = new HashMap<>();
Map edgeHideOrDeleteTimestamps = new HashMap<>();
for (Map.Entry row : scanner) {
Text columnFamily = row.getKey().getColumnFamily();
Long timestamp = row.getKey().getTimestamp();
if (!columnFamily.equals(AccumuloVertex.CF_OUT_EDGE)) {
if (columnFamily.equals(AccumuloVertex.CF_OUT_EDGE_SOFT_DELETE) || columnFamily.equals(AccumuloVertex.CF_OUT_EDGE_HIDDEN)) {
String edgeId = row.getKey().getColumnQualifier().toString();
edgeHideOrDeleteTimestamps.merge(edgeId, timestamp, Math::max);
}
continue;
}
org.vertexium.accumulo.iterator.model.EdgeInfo edgeInfo
= new EdgeInfo(row.getValue().get(), row.getKey().getTimestamp());
String edgeId = row.getKey().getColumnQualifier().toString();
String outVertexId = row.getKey().getRow().toString();
String inVertexId = edgeInfo.getVertexId();
String label = getNameSubstitutionStrategy().inflate(edgeInfo.getLabel());
edgeAddTimestamps.merge(edgeId, timestamp, Math::max);
results.add(new RelatedEdgeImpl(edgeId, label, outVertexId, inVertexId));
}
return results.stream().filter(relatedEdge -> {
Long edgeAddedTime = edgeAddTimestamps.get(relatedEdge.getEdgeId());
Long edgeDeletedOrHiddenTime = edgeHideOrDeleteTimestamps.get(relatedEdge.getEdgeId());
return edgeDeletedOrHiddenTime == null || edgeAddedTime > edgeDeletedOrHiddenTime;
}).collect(Collectors.toList());
} finally {
scanner.close();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
} finally {
trace.stop();
}
}
@Override
public Iterable findPaths(FindPathOptions options, Authorizations authorizations) {
ProgressCallback progressCallback = options.getProgressCallback();
if (progressCallback == null) {
progressCallback = new ProgressCallback() {
@Override
public void progress(double progressPercent, Step step, Integer edgeIndex, Integer vertexCount) {
LOGGER.debug("findPaths progress %d%%: %s", (int) (progressPercent * 100.0), step.formatMessage(edgeIndex, vertexCount));
}
};
}
return new AccumuloFindPathStrategy(this, options, progressCallback, authorizations).findPaths();
}
@Override
public Iterable filterEdgeIdsByAuthorization(Iterable edgeIds, String authorizationToMatch, EnumSet filters, Authorizations authorizations) {
return filterElementIdsByAuthorization(
ElementType.EDGE,
edgeIds,
authorizationToMatch,
filters,
authorizations
);
}
@Override
public Iterable filterVertexIdsByAuthorization(Iterable vertexIds, String authorizationToMatch, EnumSet filters, Authorizations authorizations) {
return filterElementIdsByAuthorization(
ElementType.VERTEX,
vertexIds,
authorizationToMatch,
filters,
authorizations
);
}
private Iterable filterElementIdsByAuthorization(ElementType elementType, Iterable elementIds, String authorizationToMatch, EnumSet filters, Authorizations authorizations) {
Set elementIdsSet = IterableUtils.toSet(elementIds);
Span trace = Trace.start("filterElementIdsByAuthorization");
try {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("filterElementIdsByAuthorization:\n %s", IterableUtils.join(elementIdsSet, "\n "));
}
if (elementIdsSet.size() == 0) {
return new ArrayList<>();
}
List ranges = new ArrayList<>();
for (String elementId : elementIdsSet) {
ranges.add(RangeUtils.createRangeFromString(elementId));
}
Long startTime = null;
Long endTime = null;
int maxVersions = 1;
ScannerBase scanner = createElementScanner(
FetchHints.ALL_INCLUDING_HIDDEN,
elementType,
maxVersions,
startTime,
endTime,
ranges,
false,
authorizations
);
IteratorSetting hasAuthorizationFilterSettings = new IteratorSetting(
1000,
HasAuthorizationFilter.class.getSimpleName(),
HasAuthorizationFilter.class
);
HasAuthorizationFilter.setAuthorizationToMatch(hasAuthorizationFilterSettings, authorizationToMatch);
HasAuthorizationFilter.setFilters(hasAuthorizationFilterSettings, filters);
scanner.addScanIterator(hasAuthorizationFilterSettings);
final long timerStartTime = System.currentTimeMillis();
try {
Set results = new HashSet<>();
for (Map.Entry row : scanner) {
results.add(row.getKey().getRow().toString());
}
return results;
} finally {
scanner.close();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
} finally {
trace.stop();
}
}
public Iterable getMetadataInRange(final org.apache.accumulo.core.data.Range range) {
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, GraphMetadataEntry>() {
public Scanner scanner;
@Override
protected boolean isIncluded(Map.Entry src, GraphMetadataEntry graphMetadataEntry) {
return true;
}
@Override
protected GraphMetadataEntry convert(Map.Entry entry) {
String key = entry.getKey().getRow().toString();
return new GraphMetadataEntry(key, entry.getValue().get());
}
@Override
protected Iterator> createIterator() {
try {
scanner = createScanner(getMetadataTableName(), range, METADATA_AUTHORIZATIONS);
GRAPH_LOGGER.logStartIterator(scanner);
IteratorSetting versioningIteratorSettings = new IteratorSetting(
90,
VersioningIterator.class.getSimpleName(),
VersioningIterator.class
);
VersioningIterator.setMaxVersions(versioningIteratorSettings, 1);
scanner.addScanIterator(versioningIteratorSettings);
return scanner.iterator();
} catch (TableNotFoundException ex) {
throw new VertexiumException("Could not create metadata scanner", ex);
}
}
@Override
public void close() {
super.close();
this.scanner.close();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
@Override
protected GraphMetadataStore getGraphMetadataStore() {
return graphMetadataStore;
}
private CloseableIterable getExtendedDataRowsInRange(
Span trace,
List ranges,
FetchHints fetchHints,
Authorizations authorizations
) {
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, ExtendedDataRow>() {
public ScannerBase scanner;
@Override
protected boolean isIncluded(Map.Entry src, ExtendedDataRow dest) {
return dest != null;
}
@Override
protected ExtendedDataRow convert(Map.Entry next) {
try {
SortedMap row = WholeRowIterator.decodeRow(next.getKey(), next.getValue());
ExtendedDataRowId extendedDataRowId = KeyHelper.parseExtendedDataRowId(next.getKey().getRow());
return new AccumuloExtendedDataRow(extendedDataRowId, row, fetchHints, vertexiumSerializer);
} catch (IOException e) {
throw new VertexiumException("Could not decode row", e);
}
}
@Override
protected Iterator> createIterator() {
try {
scanner = createExtendedDataRowScanner(ranges, authorizations);
return scanner.iterator();
} catch (RuntimeException ex) {
if (ex.getCause() instanceof AccumuloSecurityException) {
throw new SecurityVertexiumException("Could not get vertices with authorizations: " + authorizations, authorizations, ex.getCause());
}
throw ex;
}
}
@Override
public void close() {
super.close();
scanner.close();
if (trace != null) {
trace.stop();
}
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
private ScannerBase createExtendedDataRowScanner(List ranges, Authorizations authorizations) {
try {
String tableName = getExtendedDataTableName();
ScannerBase scanner;
if (ranges == null || ranges.size() == 1) {
org.apache.accumulo.core.data.Range range = ranges == null ? null : ranges.iterator().next();
scanner = createScanner(tableName, range, authorizations);
} else {
scanner = createBatchScanner(tableName, ranges, authorizations);
}
IteratorSetting versioningIteratorSettings = new IteratorSetting(
90, // versioning needs to happen before combining into one row
VersioningIterator.class.getSimpleName(),
VersioningIterator.class
);
VersioningIterator.setMaxVersions(versioningIteratorSettings, 1);
scanner.addScanIterator(versioningIteratorSettings);
IteratorSetting rowIteratorSettings = new IteratorSetting(
100,
WholeRowIterator.class.getSimpleName(),
WholeRowIterator.class
);
scanner.addScanIterator(rowIteratorSettings);
GRAPH_LOGGER.logStartIterator(scanner);
return scanner;
} catch (TableNotFoundException e) {
throw new VertexiumException(e);
}
}
protected CloseableIterable getVerticesInRange(
final Span trace,
final org.apache.accumulo.core.data.Range range,
final FetchHints fetchHints,
final Long endTime,
final Authorizations authorizations
) {
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, Vertex>() {
public ScannerBase scanner;
@Override
protected boolean isIncluded(Map.Entry src, Vertex dest) {
return dest != null;
}
@Override
protected Vertex convert(Map.Entry next) {
return createVertexFromVertexIteratorValue(next.getKey(), next.getValue(), fetchHints, authorizations);
}
@Override
protected Iterator> createIterator() {
try {
scanner = createVertexScanner(fetchHints, SINGLE_VERSION, null, endTime, range, authorizations);
return scanner.iterator();
} catch (RuntimeException ex) {
if (ex.getCause() instanceof AccumuloSecurityException) {
throw new SecurityVertexiumException("Could not get vertices with authorizations: " + authorizations, authorizations, ex.getCause());
}
throw ex;
}
}
@Override
public void close() {
super.close();
scanner.close();
if (trace != null) {
trace.stop();
}
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
private Vertex createVertexFromVertexIteratorValue(Key key, Value value, FetchHints fetchHints, Authorizations authorizations) {
return AccumuloVertex.createFromIteratorValue(this, key, value, fetchHints, authorizations);
}
private Edge createEdgeFromEdgeIteratorValue(Key key, Value value, FetchHints fetchHints, Authorizations authorizations) {
return AccumuloEdge.createFromIteratorValue(this, key, value, fetchHints, authorizations);
}
@Override
public CloseableIterable getVertices(Iterable ids, final FetchHints fetchHints, final Long endTime, final Authorizations authorizations) {
final List ranges = new ArrayList<>();
int idCount = 0;
for (String id : ids) {
ranges.add(RangeUtils.createRangeFromString(id));
idCount++;
}
if (ranges.size() == 0) {
return new EmptyClosableIterable<>();
}
final Span trace = Trace.start("getVertices");
trace.data("idCount", Integer.toString(idCount));
traceDataFetchHints(trace, fetchHints);
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, Vertex>() {
public ScannerBase scanner;
@Override
protected boolean isIncluded(Map.Entry src, Vertex dest) {
return dest != null;
}
@Override
protected Vertex convert(Map.Entry row) {
return createVertexFromVertexIteratorValue(row.getKey(), row.getValue(), fetchHints, authorizations);
}
@Override
protected Iterator> createIterator() {
Long startTime = null;
scanner = createVertexScanner(fetchHints, 1, startTime, endTime, ranges, authorizations);
return scanner.iterator();
}
@Override
public void close() {
super.close();
scanner.close();
trace.stop();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
@Override
public CloseableIterable getEdges(Iterable ids, FetchHints fetchHints, Long endTime, Authorizations authorizations) {
final List ranges = new ArrayList<>();
int idCount = 0;
for (String id : ids) {
ranges.add(RangeUtils.createRangeFromString(id));
idCount++;
}
if (ranges.size() == 0) {
return new EmptyClosableIterable<>();
}
final Span trace = Trace.start("getEdges");
trace.data("idCount", Integer.toString(idCount));
traceDataFetchHints(trace, fetchHints);
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, Edge>() {
public ScannerBase scanner;
@Override
protected boolean isIncluded(Map.Entry src, Edge dest) {
return dest != null;
}
@Override
protected Edge convert(Map.Entry row) {
return createEdgeFromEdgeIteratorValue(row.getKey(), row.getValue(), fetchHints, authorizations);
}
@Override
protected Iterator> createIterator() {
Long startTime = null;
scanner = createEdgeScanner(fetchHints, 1, startTime, endTime, ranges, authorizations);
return scanner.iterator();
}
@Override
public void close() {
super.close();
scanner.close();
trace.stop();
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
@Override
public Iterable getEdgesInRange(Range idRange, FetchHints fetchHints, Long endTime, Authorizations authorizations) {
Span trace = Trace.start("getEdgesInRange");
trace.data("rangeInclusiveStart", idRange.getInclusiveStart());
trace.data("rangeExclusiveStart", idRange.getExclusiveEnd());
traceDataFetchHints(trace, fetchHints);
org.apache.accumulo.core.data.Range range = vertexiumRangeToAccumuloRange(idRange);
return getEdgesInRange(trace, range, fetchHints, endTime, authorizations);
}
private org.apache.accumulo.core.data.Range vertexiumRangeToAccumuloRange(Range range) {
Key inclusiveStartRow = range.getInclusiveStart() == null ? null : new Key(range.getInclusiveStart());
Key exclusiveEndRow = range.getExclusiveEnd() == null ? null : new Key(range.getExclusiveEnd());
boolean startKeyInclusive = true;
boolean endKeyInclusive = false;
return new org.apache.accumulo.core.data.Range(
inclusiveStartRow, startKeyInclusive,
exclusiveEndRow, endKeyInclusive
);
}
protected CloseableIterable getEdgesInRange(
final Span trace,
String startId,
String endId,
final FetchHints fetchHints,
final Long timestamp,
final Authorizations authorizations
) throws VertexiumException {
trace.data("startId", startId);
trace.data("endId", endId);
if (Trace.isTracing() && timestamp != null) {
trace.data("timestamp", Long.toString(timestamp));
}
traceDataFetchHints(trace, fetchHints);
final Key startKey;
if (startId == null) {
startKey = null;
} else {
startKey = new Key(startId);
}
final Key endKey;
if (endId == null) {
endKey = null;
} else {
endKey = new Key(endId).followingKey(PartialKey.ROW);
}
org.apache.accumulo.core.data.Range range = new org.apache.accumulo.core.data.Range(startKey, endKey);
return getEdgesInRange(trace, range, fetchHints, timestamp, authorizations);
}
protected CloseableIterable getEdgesInRange(
Span trace,
org.apache.accumulo.core.data.Range range,
FetchHints fetchHints,
Long endTime,
Authorizations authorizations
) throws VertexiumException {
traceDataFetchHints(trace, fetchHints);
final long timerStartTime = System.currentTimeMillis();
return new LookAheadIterable, Edge>() {
public ScannerBase scanner;
@Override
protected boolean isIncluded(Map.Entry src, Edge dest) {
return dest != null;
}
@Override
protected Edge convert(Map.Entry next) {
return createEdgeFromEdgeIteratorValue(next.getKey(), next.getValue(), fetchHints, authorizations);
}
@Override
protected Iterator> createIterator() {
scanner = createEdgeScanner(fetchHints, SINGLE_VERSION, null, endTime, range, authorizations);
return scanner.iterator();
}
@Override
public void close() {
super.close();
scanner.close();
if (trace != null) {
trace.stop();
}
GRAPH_LOGGER.logEndIterator(System.currentTimeMillis() - timerStartTime);
}
};
}
@Override
public long getVertexCount(Authorizations authorizations) {
String tableName = getTableNameFromElementType(ElementType.VERTEX);
return getRowCountFromTable(tableName, AccumuloVertex.CF_SIGNAL, authorizations);
}
@Override
public long getEdgeCount(Authorizations authorizations) {
String tableName = getTableNameFromElementType(ElementType.EDGE);
return getRowCountFromTable(tableName, AccumuloEdge.CF_SIGNAL, authorizations);
}
private long getRowCountFromTable(String tableName, Text signalColumn, Authorizations authorizations) {
try {
LOGGER.debug("BEGIN getRowCountFromTable(%s)", tableName);
Scanner scanner = createScanner(tableName, null, authorizations);
try {
scanner.fetchColumnFamily(signalColumn);
IteratorSetting countingIterator = new IteratorSetting(
100,
CountingIterator.class.getSimpleName(),
CountingIterator.class
);
scanner.addScanIterator(countingIterator);
GRAPH_LOGGER.logStartIterator(scanner);
long count = 0;
for (Map.Entry entry : scanner) {
Long countForKey = LongCombiner.FIXED_LEN_ENCODER.decode(entry.getValue().get());
LOGGER.debug("getRowCountFromTable(%s): %s: %d", tableName, entry.getKey().getRow(), countForKey);
count += countForKey;
}
LOGGER.debug("getRowCountFromTable(%s): TOTAL: %d", tableName, count);
return count;
} finally {
scanner.close();
}
} catch (TableNotFoundException ex) {
throw new VertexiumException("Could not get count from table: " + tableName, ex);
}
}
public void traceOn(String description) {
traceOn(description, new HashMap<>());
}
@Override
public void traceOn(String description, Map data) {
if (!distributedTraceEnabled) {
try {
ClientConfiguration conf = getConfiguration().getClientConfiguration();
DistributedTrace.enable(null, AccumuloGraph.class.getSimpleName(), conf);
distributedTraceEnabled = true;
} catch (Exception e) {
throw new VertexiumException("Could not enable DistributedTrace", e);
}
}
if (Trace.isTracing()) {
throw new VertexiumException("Trace already running");
}
Span span = Trace.on(description);
for (Map.Entry dataEntry : data.entrySet()) {
span.data(dataEntry.getKey(), dataEntry.getValue());
}
LOGGER.info("Started trace '%s'", description);
}
public void traceOff() {
if (!Trace.isTracing()) {
throw new VertexiumException("No trace currently running");
}
Trace.off();
}
private void traceDataFetchHints(Span trace, FetchHints fetchHints) {
if (Trace.isTracing()) {
trace.data("fetchHints", fetchHints.toString());
}
}
@Override
protected Class getValueType(Object value) {
if (value instanceof StreamingPropertyValueTableRef) {
return ((StreamingPropertyValueTableRef) value).getValueType();
}
return super.getValueType(value);
}
private class AccumuloGraphMetadataStore extends GraphMetadataStore {
private final VertexiumLogger LOGGER = VertexiumLoggerFactory.getLogger(AccumuloGraphMetadataStore.class);
private final Pattern ZK_PATH_REPLACEMENT_PATTERN = Pattern.compile("[^a-zA-Z]+");
private final CuratorFramework curatorFramework;
private final String zkPath;
private final TreeCache treeCache;
private final Map entries = new HashMap<>();
public AccumuloGraphMetadataStore(CuratorFramework curatorFramework, String zkPath) {
this.zkPath = zkPath;
this.curatorFramework = curatorFramework;
this.treeCache = new TreeCache(curatorFramework, zkPath);
this.treeCache.getListenable().addListener((client, event) -> {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("treeCache event, clearing cache");
}
synchronized (entries) {
entries.clear();
}
getSearchIndex().clearCache();
});
try {
this.treeCache.start();
} catch (Exception e) {
throw new VertexiumException("Could not start metadata sync", e);
}
}
public void close() {
this.treeCache.close();
}
@Override
public Iterable getMetadata() {
synchronized (entries) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("getMetadata");
}
ensureMetadataLoaded();
return toList(entries.values());
}
}
private void ensureMetadataLoaded() {
synchronized (entries) {
if (entries.size() > 0) {
return;
}
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("metadata is stale... loading");
}
Iterable metadata = getMetadataInRange(null);
for (GraphMetadataEntry graphMetadataEntry : metadata) {
entries.put(graphMetadataEntry.getKey(), graphMetadataEntry);
}
}
}
@Override
public void setMetadata(String key, Object value) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace("setMetadata: %s = %s", key, value);
}
try {
Mutation m = new Mutation(key);
byte[] valueBytes = JavaSerializableUtils.objectToBytes(value);
m.put(AccumuloElement.METADATA_COLUMN_FAMILY, AccumuloElement.METADATA_COLUMN_QUALIFIER, new Value(valueBytes));
BatchWriter writer = getMetadataWriter();
writer.addMutation(m);
flush();
} catch (MutationsRejectedException ex) {
throw new VertexiumException("Could not add metadata " + key, ex);
}
synchronized (entries) {
entries.clear();
try {
signalMetadataChange(key);
} catch (Exception e) {
LOGGER.error("Could not notify other nodes via ZooKeeper", e);
}
}
}
private void signalMetadataChange(String key) throws Exception {
String path = zkPath + "/" + ZK_PATH_REPLACEMENT_PATTERN.matcher(key).replaceAll("_");
LOGGER.debug("signaling change to metadata via path: %s", path);
byte[] data = Longs.toByteArray(IncreasingTime.currentTimeMillis());
this.curatorFramework.create()
.creatingParentsIfNeeded()
.withMode(CreateMode.EPHEMERAL_SEQUENTIAL)
.forPath(path, data);
}
@Override
public Object getMetadata(String key) {
GraphMetadataEntry e;
synchronized (entries) {
ensureMetadataLoaded();
e = entries.get(key);
if (e == null) {
return null;
}
return e.getValue();
}
}
}
}
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