org.vertexium.inmemory.InMemoryGraph Maven / Gradle / Ivy
package org.vertexium.inmemory;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import org.vertexium.*;
import org.vertexium.event.*;
import org.vertexium.id.IdGenerator;
import org.vertexium.inmemory.mutations.AlterEdgeLabelMutation;
import org.vertexium.inmemory.mutations.AlterVisibilityMutation;
import org.vertexium.inmemory.mutations.EdgeSetupMutation;
import org.vertexium.inmemory.mutations.ElementTimestampMutation;
import org.vertexium.mutation.AlterPropertyVisibility;
import org.vertexium.mutation.ExtendedDataDeleteMutation;
import org.vertexium.mutation.SetPropertyMetadata;
import org.vertexium.property.StreamingPropertyValue;
import org.vertexium.property.StreamingPropertyValueRef;
import org.vertexium.search.IndexHint;
import org.vertexium.search.SearchIndex;
import org.vertexium.util.*;
import java.util.*;
import java.util.stream.Stream;
import static org.vertexium.util.Preconditions.checkNotNull;
import static org.vertexium.util.StreamUtils.stream;
public class InMemoryGraph extends GraphBaseWithSearchIndex {
protected static final InMemoryGraphConfiguration DEFAULT_CONFIGURATION =
new InMemoryGraphConfiguration(new HashMap<>());
private final Set validAuthorizations = new HashSet<>();
private final InMemoryVertexTable vertices;
private final InMemoryEdgeTable edges;
private final InMemoryExtendedDataTable extendedDataTable;
private final GraphMetadataStore graphMetadataStore;
protected InMemoryGraph(InMemoryGraphConfiguration configuration) {
this(
configuration,
new InMemoryVertexTable(),
new InMemoryEdgeTable(),
new MapInMemoryExtendedDataTable()
);
}
protected InMemoryGraph(InMemoryGraphConfiguration configuration, IdGenerator idGenerator, SearchIndex searchIndex) {
this(
configuration,
idGenerator,
searchIndex,
new InMemoryVertexTable(),
new InMemoryEdgeTable(),
new MapInMemoryExtendedDataTable()
);
}
protected InMemoryGraph(
InMemoryGraphConfiguration configuration,
InMemoryVertexTable vertices,
InMemoryEdgeTable edges,
InMemoryExtendedDataTable extendedDataTable
) {
super(configuration);
this.vertices = vertices;
this.edges = edges;
this.extendedDataTable = extendedDataTable;
this.graphMetadataStore = newGraphMetadataStore(configuration);
}
protected InMemoryGraph(
InMemoryGraphConfiguration configuration,
IdGenerator idGenerator,
SearchIndex searchIndex,
InMemoryVertexTable vertices,
InMemoryEdgeTable edges,
InMemoryExtendedDataTable extendedDataTable
) {
super(configuration, idGenerator, searchIndex);
this.vertices = vertices;
this.edges = edges;
this.extendedDataTable = extendedDataTable;
this.graphMetadataStore = newGraphMetadataStore(configuration);
}
protected GraphMetadataStore newGraphMetadataStore(GraphConfiguration configuration) {
return new InMemoryGraphMetadataStore();
}
@SuppressWarnings("unused")
public static InMemoryGraph create() {
return create(DEFAULT_CONFIGURATION);
}
public static InMemoryGraph create(InMemoryGraphConfiguration config) {
InMemoryGraph graph = new InMemoryGraph(config);
graph.setup();
return graph;
}
@SuppressWarnings("unused")
public static InMemoryGraph create(Map config) {
return create(new InMemoryGraphConfiguration(config));
}
@SuppressWarnings("unused")
public static InMemoryGraph create(InMemoryGraphConfiguration config, IdGenerator idGenerator, SearchIndex searchIndex) {
InMemoryGraph graph = new InMemoryGraph(config, idGenerator, searchIndex);
graph.setup();
return graph;
}
@Override
public VertexBuilder prepareVertex(String vertexId, Long timestamp, Visibility visibility) {
if (vertexId == null) {
vertexId = getIdGenerator().nextId();
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
final long timestampLong = timestamp;
return new VertexBuilder(vertexId, visibility) {
@Override
public Vertex save(Authorizations authorizations) {
addValidAuthorizations(authorizations.getAuthorizations());
boolean isNew = false;
InMemoryTableElement vertexTableElement = InMemoryGraph.this.vertices.getTableElement(getElementId());
if (vertexTableElement == null) {
isNew = true;
vertices.append(
getElementId(),
new AlterVisibilityMutation(timestampLong, getVisibility()),
new ElementTimestampMutation(timestampLong)
);
} else {
if (vertexTableElement.getVisibility().equals(getVisibility())) {
vertices.append(getElementId(), new ElementTimestampMutation(timestampLong));
} else {
vertices.append(getElementId(), new AlterVisibilityMutation(timestampLong, getVisibility()), new ElementTimestampMutation(timestampLong));
}
}
InMemoryVertex vertex = InMemoryGraph.this.vertices.get(InMemoryGraph.this, getElementId(), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
if (isNew && hasEventListeners()) {
fireGraphEvent(new AddVertexEvent(InMemoryGraph.this, vertex));
}
vertex.updatePropertiesInternal(this);
// to more closely simulate how accumulo works. add a potentially sparse (in case of an update) vertex to the search index.
if (getIndexHint() != IndexHint.DO_NOT_INDEX) {
getSearchIndex().addElement(InMemoryGraph.this, vertex, authorizations);
getSearchIndex().addElementExtendedData(InMemoryGraph.this, vertex, getExtendedData(), authorizations);
for (ExtendedDataDeleteMutation m : getExtendedDataDeletes()) {
getSearchIndex().deleteExtendedData(
InMemoryGraph.this,
vertex,
m.getTableName(),
m.getRow(),
m.getColumnName(),
m.getKey(),
m.getVisibility(),
authorizations
);
}
}
return vertex;
}
};
}
private void addValidAuthorizations(String[] authorizations) {
Collections.addAll(this.validAuthorizations, authorizations);
}
@Override
public Iterable getVertices(FetchHints fetchHints, final Long endTime, final Authorizations authorizations) throws VertexiumException {
validateAuthorizations(authorizations);
return new ConvertingIterable(this.vertices.getAll(InMemoryGraph.this, fetchHints, endTime, authorizations)) {
@Override
protected Vertex convert(InMemoryVertex o) {
return o;
}
};
}
protected void validateAuthorizations(Authorizations authorizations) {
for (String auth : authorizations.getAuthorizations()) {
if (!this.validAuthorizations.contains(auth)) {
throw new SecurityVertexiumException("Invalid authorizations", authorizations);
}
}
}
@Override
public void deleteVertex(Vertex vertex, Authorizations authorizations) {
if (!((InMemoryVertex) vertex).canRead(authorizations)) {
return;
}
List edgesToDelete = IterableUtils.toList(vertex.getEdges(Direction.BOTH, authorizations));
for (Edge edgeToDelete : edgesToDelete) {
deleteEdge(edgeToDelete, authorizations);
}
deleteAllExtendedDataForElement(vertex, authorizations);
this.vertices.remove(vertex.getId());
getSearchIndex().deleteElement(this, vertex, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new DeleteVertexEvent(this, vertex));
}
}
@Override
public void softDeleteVertex(Vertex vertex, Long timestamp, Authorizations authorizations) {
if (!((InMemoryVertex) vertex).canRead(authorizations)) {
return;
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
for (Property property : vertex.getProperties()) {
vertex.softDeleteProperty(property.getKey(), property.getName(), property.getVisibility(), authorizations);
}
List edgesToSoftDelete = IterableUtils.toList(vertex.getEdges(Direction.BOTH, authorizations));
for (Edge edgeToSoftDelete : edgesToSoftDelete) {
softDeleteEdge(edgeToSoftDelete, timestamp, authorizations);
}
this.vertices.getTableElement(vertex.getId()).appendSoftDeleteMutation(timestamp);
getSearchIndex().deleteElement(this, vertex, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new SoftDeleteVertexEvent(this, vertex));
}
}
@Override
public void markVertexHidden(Vertex vertex, Visibility visibility, Authorizations authorizations) {
if (!((InMemoryVertex) vertex).canRead(authorizations)) {
return;
}
List edgesToMarkHidden = IterableUtils.toList(vertex.getEdges(Direction.BOTH, authorizations));
for (Edge edgeToMarkHidden : edgesToMarkHidden) {
markEdgeHidden(edgeToMarkHidden, visibility, authorizations);
}
this.vertices.getTableElement(vertex.getId()).appendMarkHiddenMutation(visibility);
refreshVertexInMemoryTableElement(vertex);
getSearchIndex().markElementHidden(this, vertex, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkHiddenVertexEvent(this, vertex));
}
}
@Override
public void markVertexVisible(Vertex vertex, Visibility visibility, Authorizations authorizations) {
if (!((InMemoryVertex) vertex).canRead(authorizations)) {
return;
}
List edgesToMarkVisible = IterableUtils.toList(vertex.getEdges(Direction.BOTH, FetchHints.ALL_INCLUDING_HIDDEN, authorizations));
for (Edge edgeToMarkVisible : edgesToMarkVisible) {
markEdgeVisible(edgeToMarkVisible, visibility, authorizations);
}
this.vertices.getTableElement(vertex.getId()).appendMarkVisibleMutation(visibility);
refreshVertexInMemoryTableElement(vertex);
getSearchIndex().markElementVisible(this, vertex, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkVisibleVertexEvent(this, vertex));
}
}
public void markPropertyHidden(
InMemoryElement element,
InMemoryTableElement inMemoryTableElement,
Property property,
Long timestamp,
Visibility visibility,
Authorizations authorizations
) {
if (!element.canRead(authorizations)) {
return;
}
Property hiddenProperty = inMemoryTableElement.appendMarkPropertyHiddenMutation(
property.getKey(),
property.getName(),
property.getVisibility(),
timestamp,
visibility,
authorizations
);
getSearchIndex().markPropertyHidden(this, element, property, visibility, authorizations);
if (hiddenProperty != null && hasEventListeners()) {
fireGraphEvent(new MarkHiddenPropertyEvent(this, element, hiddenProperty, visibility));
}
}
public void markPropertyVisible(InMemoryElement element, InMemoryTableElement inMemoryTableElement, String key, String name, Visibility propertyVisibility, Long timestamp, Visibility visibility, Authorizations authorizations) {
if (!element.canRead(authorizations)) {
return;
}
Property property = inMemoryTableElement.appendMarkPropertyVisibleMutation(key, name, propertyVisibility, timestamp, visibility, authorizations);
getSearchIndex().markPropertyVisible(this, element, property, visibility, authorizations);
if (property != null && hasEventListeners()) {
fireGraphEvent(new MarkVisiblePropertyEvent(this, element, property, visibility));
}
}
@Override
public EdgeBuilderByVertexId prepareEdge(String edgeId, String outVertexId, String inVertexId, String label, final 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();
}
return new EdgeBuilderByVertexId(edgeId, outVertexId, inVertexId, label, visibility) {
@Override
public Edge save(Authorizations authorizations) {
addValidAuthorizations(authorizations.getAuthorizations());
return savePreparedEdge(this, getOutVertexId(), getInVertexId(), timestamp, authorizations);
}
};
}
@Override
public EdgeBuilder prepareEdge(String edgeId, Vertex outVertex, Vertex inVertex, String label, final 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();
}
return new EdgeBuilder(edgeId, outVertex, inVertex, label, visibility) {
@Override
public Edge save(Authorizations authorizations) {
addValidAuthorizations(authorizations.getAuthorizations());
return savePreparedEdge(this, getOutVertex().getId(), getInVertex().getId(), timestamp, authorizations);
}
};
}
private Edge savePreparedEdge(final EdgeBuilderBase edgeBuilder, final String outVertexId, final String inVertexId, Long timestamp, Authorizations authorizations) {
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
// The timestamps will be incremented below, this will ensure future mutations will be in the future
IncreasingTime.advanceTime(10);
}
long incrementingTimestamp = timestamp;
InMemoryTableElement edgeTableElement = this.edges.getTableElement(edgeBuilder.getElementId());
boolean isNew = false;
if (edgeTableElement == null) {
isNew = true;
edges.append(
edgeBuilder.getElementId(),
new AlterVisibilityMutation(incrementingTimestamp++, edgeBuilder.getVisibility()),
new ElementTimestampMutation(incrementingTimestamp++),
new AlterEdgeLabelMutation(incrementingTimestamp++, edgeBuilder.getLabel()),
new EdgeSetupMutation(incrementingTimestamp++, outVertexId, inVertexId)
);
} else {
edges.append(edgeBuilder.getElementId(), new ElementTimestampMutation(incrementingTimestamp++));
}
if (edgeBuilder.getNewEdgeLabel() != null) {
edges.append(edgeBuilder.getElementId(), new AlterEdgeLabelMutation(incrementingTimestamp, edgeBuilder.getNewEdgeLabel()));
}
InMemoryEdge edge = this.edges.get(InMemoryGraph.this, edgeBuilder.getElementId(), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
if (isNew && hasEventListeners()) {
fireGraphEvent(new AddEdgeEvent(InMemoryGraph.this, edge));
}
edge.updatePropertiesInternal(edgeBuilder);
if (edgeBuilder.getIndexHint() != IndexHint.DO_NOT_INDEX) {
getSearchIndex().addElement(InMemoryGraph.this, edge, authorizations);
getSearchIndex().addElementExtendedData(InMemoryGraph.this, edge, edgeBuilder.getExtendedData(), authorizations);
for (ExtendedDataDeleteMutation m : edgeBuilder.getExtendedDataDeletes()) {
getSearchIndex().deleteExtendedData(
InMemoryGraph.this,
edge,
m.getTableName(),
m.getRow(),
m.getColumnName(),
m.getKey(),
m.getVisibility(),
authorizations
);
}
}
return edge;
}
@Override
public Iterable getEdges(FetchHints fetchHints, final Long endTime, final Authorizations authorizations) {
return new ConvertingIterable(this.edges.getAll(InMemoryGraph.this, fetchHints, endTime, authorizations)) {
@Override
protected Edge convert(InMemoryEdge o) {
return o;
}
};
}
@Override
protected GraphMetadataStore getGraphMetadataStore() {
return graphMetadataStore;
}
@Override
public void deleteEdge(Edge edge, Authorizations authorizations) {
checkNotNull(edge, "Edge cannot be null");
if (!((InMemoryEdge) edge).canRead(authorizations)) {
return;
}
deleteAllExtendedDataForElement(edge, authorizations);
this.edges.remove(edge.getId());
getSearchIndex().deleteElement(this, edge, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new DeleteEdgeEvent(this, edge));
}
}
@Override
public void softDeleteEdge(Edge edge, Long timestamp, Authorizations authorizations) {
checkNotNull(edge, "Edge cannot be null");
if (!((InMemoryEdge) edge).canRead(authorizations)) {
return;
}
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
this.edges.getTableElement(edge.getId()).appendSoftDeleteMutation(timestamp);
getSearchIndex().deleteElement(this, edge, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new SoftDeleteEdgeEvent(this, edge));
}
}
@Override
public void markEdgeHidden(Edge edge, Visibility visibility, Authorizations authorizations) {
if (!((InMemoryEdge) edge).canRead(authorizations)) {
return;
}
Vertex inVertex = getVertex(edge.getVertexId(Direction.IN), authorizations);
checkNotNull(inVertex, "Could not find in vertex \"" + edge.getVertexId(Direction.IN) + "\" on edge \"" + edge.getId() + "\"");
Vertex outVertex = getVertex(edge.getVertexId(Direction.OUT), authorizations);
checkNotNull(outVertex, "Could not find out vertex \"" + edge.getVertexId(Direction.OUT) + "\" on edge \"" + edge.getId() + "\"");
this.edges.getTableElement(edge.getId()).appendMarkHiddenMutation(visibility);
getSearchIndex().markElementHidden(this, edge, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkHiddenEdgeEvent(this, edge));
}
}
@Override
public void markEdgeVisible(Edge edge, Visibility visibility, Authorizations authorizations) {
if (!((InMemoryEdge) edge).canRead(authorizations)) {
return;
}
Vertex inVertex = getVertex(edge.getVertexId(Direction.IN), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
checkNotNull(inVertex, "Could not find in vertex \"" + edge.getVertexId(Direction.IN) + "\" on edge \"" + edge.getId() + "\"");
Vertex outVertex = getVertex(edge.getVertexId(Direction.OUT), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
checkNotNull(outVertex, "Could not find out vertex \"" + edge.getVertexId(Direction.OUT) + "\" on edge \"" + edge.getId() + "\"");
this.edges.getTableElement(edge.getId()).appendMarkVisibleMutation(visibility);
getSearchIndex().markElementVisible(this, edge, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new MarkVisibleEdgeEvent(this, edge));
}
}
@Override
public Authorizations createAuthorizations(String... auths) {
addValidAuthorizations(auths);
return new InMemoryAuthorizations(auths);
}
@Override
protected void findPathsRecursive(
FindPathOptions options,
List foundPaths,
Vertex sourceVertex,
Vertex destVertex,
int hops,
Set seenVertices,
Path currentPath,
ProgressCallback progressCallback,
Authorizations authorizations
) {
findPathsRecursive(
options,
foundPaths,
sourceVertex.getId(),
destVertex.getId(),
hops,
seenVertices,
currentPath,
progressCallback,
authorizations
);
}
protected void findPathsRecursive(
FindPathOptions options,
List foundPaths,
String sourceVertexId,
String destVertexId,
int hops,
Set seenVertices,
Path currentPath,
ProgressCallback progressCallback,
Authorizations authorizations
) {
// if this is our first source vertex report progress back to the progress callback
boolean firstLevelRecursion = hops == options.getMaxHops();
if (options.isGetAnyPath() && foundPaths.size() == 1) {
return;
}
seenVertices.add(sourceVertexId);
if (sourceVertexId.equals(destVertexId)) {
foundPaths.add(currentPath);
} else if (hops > 0) {
Stream edges = stream(getEdgesFromVertex(sourceVertexId, getDefaultFetchHints(), null, authorizations))
.filter(edge -> {
if (options.getExcludedLabels() != null) {
if (ArrayUtils.contains(options.getExcludedLabels(), edge.getLabel())) {
return false;
}
}
return options.getLabels() == null || ArrayUtils.contains(options.getLabels(), edge.getLabel());
});
List vertexIds = new ArrayList<>();
edges.forEach(edge -> {
if (edge.getOtherVertex(sourceVertexId, FetchHints.NONE, authorizations) != null) {
vertexIds.add(edge.getOtherVertexId(sourceVertexId));
}
});
int vertexCount = 0;
if (firstLevelRecursion) {
vertexCount = vertexIds.size();
}
int i = 0;
for (String childId : vertexIds) {
if (firstLevelRecursion) {
// this will never get to 100% since i starts at 0. which is good. 100% signifies done and we still
// have work to do.
double progress = (double) i / (double) vertexCount;
progressCallback.progress(progress, ProgressCallback.Step.SEARCHING_EDGES, i + 1, vertexCount);
}
if (!seenVertices.contains(childId)) {
findPathsRecursive(
options,
foundPaths,
childId,
destVertexId,
hops - 1,
seenVertices,
new Path(currentPath, childId),
progressCallback,
authorizations
);
}
i++;
}
}
seenVertices.remove(sourceVertexId);
}
protected Iterable getEdgesFromVertex(
String vertexId,
FetchHints fetchHints,
Long endTime,
Authorizations authorizations
) {
return new LookAheadIterable() {
@Override
protected boolean isIncluded(InMemoryTableEdge inMemoryTableElement, Edge edge) {
if (edge == null) {
return false; // edge deleted or outside of time range
}
EdgeSetupMutation edgeSetupMutation = inMemoryTableElement.findLastMutation(EdgeSetupMutation.class);
String inVertexId = edgeSetupMutation.getInVertexId();
checkNotNull(inVertexId, "inVertexId was null");
String outVertexId = edgeSetupMutation.getOutVertexId();
checkNotNull(outVertexId, "outVertexId was null");
return (inVertexId.equals(vertexId) || outVertexId.equals(vertexId)) &&
InMemoryGraph.this.isIncluded(inMemoryTableElement, fetchHints, authorizations);
}
@Override
protected Edge convert(InMemoryTableEdge inMemoryTableElement) {
return inMemoryTableElement.createElement(InMemoryGraph.this, fetchHints, endTime, authorizations);
}
@Override
protected Iterator createIterator() {
return edges.getAllTableElements().iterator();
}
};
}
protected boolean isIncluded(
InMemoryTableElement element, FetchHints fetchHints,
Authorizations authorizations
) {
boolean includeHidden = fetchHints.isIncludeHidden();
if (!element.canRead(authorizations)) {
return false;
}
if (!includeHidden) {
if (element.isHidden(authorizations)) {
return false;
}
}
return true;
}
protected boolean isIncludedInTimeSpan(
InMemoryTableElement element, FetchHints fetchHints, Long endTime,
Authorizations authorizations
) {
boolean includeHidden = fetchHints.isIncludeHidden();
if (!element.canRead(authorizations)) {
return false;
}
if (!includeHidden && element.isHidden(authorizations)) {
return false;
}
if (element.isDeleted(endTime, authorizations)) {
return false;
}
if (endTime != null && element.getFirstTimestamp() > endTime) {
return false;
}
return true;
}
protected void softDeleteProperty(InMemoryTableElement inMemoryTableElement, Property property, Long timestamp, IndexHint indexHint, Authorizations authorizations) {
Element element;
if (inMemoryTableElement instanceof InMemoryTableVertex) {
inMemoryTableElement.appendSoftDeletePropertyMutation(property.getKey(), property.getName(), property.getVisibility(), timestamp);
element = getVertex(inMemoryTableElement.getId(), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
} else if (inMemoryTableElement instanceof InMemoryTableEdge) {
inMemoryTableElement.appendSoftDeletePropertyMutation(property.getKey(), property.getName(), property.getVisibility(), timestamp);
element = getEdge(inMemoryTableElement.getId(), FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
} else {
throw new IllegalArgumentException("Unexpected element type: " + inMemoryTableElement.getClass().getName());
}
if (indexHint != IndexHint.DO_NOT_INDEX) {
getSearchIndex().deleteProperty(this, element, PropertyDescriptor.fromProperty(property), authorizations);
}
if (hasEventListeners()) {
fireGraphEvent(new SoftDeletePropertyEvent(this, element, property));
}
}
public void addPropertyValue(
InMemoryElement element,
InMemoryTableElement inMemoryTableElement,
String key,
String name,
Object value,
Metadata metadata,
Visibility visibility,
Long timestamp,
Authorizations authorizations
) {
ensurePropertyDefined(name, value);
if (timestamp == null) {
timestamp = IncreasingTime.currentTimeMillis();
}
if (value instanceof StreamingPropertyValue) {
value = saveStreamingPropertyValue(
element.getId(),
key,
name,
visibility,
timestamp,
(StreamingPropertyValue) value
);
}
inMemoryTableElement.appendAddPropertyValueMutation(key, name, value, metadata, visibility, timestamp);
Property property = inMemoryTableElement.getProperty(key, name, visibility, FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new AddPropertyEvent(this, element, property));
}
}
protected void alterElementVisibility(InMemoryTableElement inMemoryTableElement, Visibility newEdgeVisibility) {
inMemoryTableElement.appendAlterVisibilityMutation(newEdgeVisibility);
}
protected void alterElementPropertyVisibilities(
InMemoryTableElement inMemoryTableElement,
List alterPropertyVisibilities,
Authorizations authorizations
) {
for (AlterPropertyVisibility apv : alterPropertyVisibilities) {
Property property = inMemoryTableElement.getProperty(
apv.getKey(),
apv.getName(),
apv.getExistingVisibility(),
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
if (property == null) {
throw new VertexiumException("Could not find property " + apv.getKey() + ":" + apv.getName());
}
if (apv.getExistingVisibility() == null) {
apv.setExistingVisibility(property.getVisibility());
}
Object value = property.getValue();
Metadata metadata = property.getMetadata();
inMemoryTableElement.appendSoftDeletePropertyMutation(
apv.getKey(),
apv.getName(),
apv.getExistingVisibility(),
apv.getTimestamp()
);
long newTimestamp = apv.getTimestamp() + 1;
if (value instanceof StreamingPropertyValue) {
value = saveStreamingPropertyValue(
inMemoryTableElement.getId(),
apv.getKey(),
apv.getName(),
apv.getVisibility(),
newTimestamp,
(StreamingPropertyValue) value
);
}
inMemoryTableElement.appendAddPropertyValueMutation(
apv.getKey(),
apv.getName(),
value,
metadata,
apv.getVisibility(),
newTimestamp
);
}
}
protected void alterElementPropertyMetadata(
InMemoryTableElement inMemoryTableElement, List setPropertyMetadatas,
Authorizations authorizations
) {
for (SetPropertyMetadata spm : setPropertyMetadatas) {
Property property = inMemoryTableElement.getProperty(
spm.getPropertyKey(),
spm.getPropertyName(),
spm.getPropertyVisibility(),
FetchHints.ALL_INCLUDING_HIDDEN,
authorizations
);
if (property == null) {
throw new VertexiumException("Could not find property " + spm.getPropertyKey() + ":" + spm.getPropertyName());
}
Metadata metadata = new Metadata(property.getMetadata());
metadata.add(spm.getMetadataName(), spm.getNewValue(), spm.getMetadataVisibility());
long newTimestamp = IncreasingTime.currentTimeMillis();
inMemoryTableElement.appendAddPropertyMetadataMutation(
property.getKey(), property.getName(), metadata, property.getVisibility(), newTimestamp);
}
}
protected StreamingPropertyValueRef saveStreamingPropertyValue(
String elementId, String key, String name,
Visibility visibility, long timestamp,
StreamingPropertyValue value
) {
return new InMemoryStreamingPropertyValueRef(value);
}
@Override
public boolean isVisibilityValid(Visibility visibility, Authorizations authorizations) {
return authorizations.canRead(visibility);
}
@Override
public void truncate() {
this.vertices.clear();
this.edges.clear();
getSearchIndex().truncate(this);
}
@Override
public void drop() {
this.vertices.clear();
this.edges.clear();
getSearchIndex().drop(this);
}
protected void alterEdgeLabel(InMemoryTableEdge inMemoryTableEdge, long timestamp, String newEdgeLabel) {
inMemoryTableEdge.appendAlterEdgeLabelMutation(timestamp, newEdgeLabel);
}
protected void deleteProperty(
InMemoryElement element,
InMemoryTableElement inMemoryTableElement,
String key,
String name,
Visibility visibility,
Authorizations authorizations
) {
Property property = inMemoryTableElement.getProperty(key, name, visibility, FetchHints.ALL_INCLUDING_HIDDEN, authorizations);
inMemoryTableElement.deleteProperty(key, name, visibility, authorizations);
getSearchIndex().deleteProperty(this, element, PropertyDescriptor.fromProperty(property), authorizations);
if (hasEventListeners()) {
fireGraphEvent(new DeletePropertyEvent(this, element, property));
}
}
private void refreshVertexInMemoryTableElement(Vertex vertex) {
((InMemoryVertex) vertex).setInMemoryTableElement(this.vertices.getTableElement(vertex.getId()));
}
public ImmutableSet getExtendedDataTableNames(ElementType elementType, String elementId, Authorizations authorizations) {
return extendedDataTable.getTableNames(elementType, elementId, authorizations);
}
public Iterable getExtendedDataTable(
ElementType elementType,
String elementId,
String tableName,
FetchHints fetchHints,
Authorizations authorizations
) {
return extendedDataTable.getTable(elementType, elementId, tableName, fetchHints, authorizations);
}
public void extendedData(
Element element,
ExtendedDataRowId rowId,
String column,
String key,
Object value,
long timestamp,
Visibility visibility,
Authorizations authorizations
) {
extendedDataTable.addData(rowId, column, key, value, timestamp, visibility);
if (hasEventListeners()) {
fireGraphEvent(new AddExtendedDataEvent(
this,
element,
rowId.getTableName(),
rowId.getRowId(),
column,
key,
value,
visibility
));
}
}
@Override
public void deleteExtendedDataRow(ExtendedDataRowId id, Authorizations authorizations) {
List rows = Lists.newArrayList(getExtendedData(Lists.newArrayList(id), authorizations));
if (rows.size() > 1) {
throw new VertexiumException("Found too many extended data rows for id: " + id);
}
if (rows.size() != 1) {
return;
}
this.extendedDataTable.remove(id);
getSearchIndex().deleteExtendedData(this, id, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new DeleteExtendedDataRowEvent(this, id));
}
}
public void deleteExtendedData(
InMemoryElement element,
String tableName,
String row,
String columnName,
String key,
Visibility visibility,
Authorizations authorizations
) {
extendedDataTable.removeColumn(
new ExtendedDataRowId(ElementType.getTypeFromElement(element), element.getId(), tableName, row),
columnName,
key,
visibility
);
getSearchIndex().deleteExtendedData(this, element, tableName, row, columnName, key, visibility, authorizations);
if (hasEventListeners()) {
fireGraphEvent(new DeleteExtendedDataEvent(this, element, tableName, row, columnName, key));
}
}
@Override
public void flushGraph() {
// no need to do anything here
}
}
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