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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.thrift;
import java.util.*;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Strings;
import com.google.common.collect.Maps;
import org.apache.cassandra.config.*;
import org.apache.cassandra.cql3.ColumnIdentifier;
import org.apache.cassandra.cql3.Operator;
import org.apache.cassandra.cql3.SuperColumnCompatibility;
import org.apache.cassandra.cql3.statements.IndexTarget;
import org.apache.cassandra.db.CompactTables;
import org.apache.cassandra.db.LegacyLayout;
import org.apache.cassandra.db.WriteType;
import org.apache.cassandra.db.compaction.AbstractCompactionStrategy;
import org.apache.cassandra.db.filter.RowFilter;
import org.apache.cassandra.db.marshal.*;
import org.apache.cassandra.exceptions.*;
import org.apache.cassandra.index.internal.CassandraIndex;
import org.apache.cassandra.io.compress.ICompressor;
import org.apache.cassandra.locator.AbstractReplicationStrategy;
import org.apache.cassandra.locator.LocalStrategy;
import org.apache.cassandra.schema.*;
import org.apache.cassandra.serializers.MarshalException;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.Pair;
import org.apache.cassandra.utils.UUIDGen;
/**
* Static utility methods to convert internal structure to and from thrift ones.
*/
public class ThriftConversion
{
public static org.apache.cassandra.db.ConsistencyLevel fromThrift(ConsistencyLevel cl)
{
switch (cl)
{
case ANY: return org.apache.cassandra.db.ConsistencyLevel.ANY;
case ONE: return org.apache.cassandra.db.ConsistencyLevel.ONE;
case TWO: return org.apache.cassandra.db.ConsistencyLevel.TWO;
case THREE: return org.apache.cassandra.db.ConsistencyLevel.THREE;
case QUORUM: return org.apache.cassandra.db.ConsistencyLevel.QUORUM;
case ALL: return org.apache.cassandra.db.ConsistencyLevel.ALL;
case LOCAL_QUORUM: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_QUORUM;
case EACH_QUORUM: return org.apache.cassandra.db.ConsistencyLevel.EACH_QUORUM;
case SERIAL: return org.apache.cassandra.db.ConsistencyLevel.SERIAL;
case LOCAL_SERIAL: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_SERIAL;
case LOCAL_ONE: return org.apache.cassandra.db.ConsistencyLevel.LOCAL_ONE;
}
throw new AssertionError();
}
public static ConsistencyLevel toThrift(org.apache.cassandra.db.ConsistencyLevel cl)
{
switch (cl)
{
case ANY: return ConsistencyLevel.ANY;
case ONE: return ConsistencyLevel.ONE;
case TWO: return ConsistencyLevel.TWO;
case THREE: return ConsistencyLevel.THREE;
case QUORUM: return ConsistencyLevel.QUORUM;
case ALL: return ConsistencyLevel.ALL;
case LOCAL_QUORUM: return ConsistencyLevel.LOCAL_QUORUM;
case EACH_QUORUM: return ConsistencyLevel.EACH_QUORUM;
case SERIAL: return ConsistencyLevel.SERIAL;
case LOCAL_SERIAL: return ConsistencyLevel.LOCAL_SERIAL;
case LOCAL_ONE: return ConsistencyLevel.LOCAL_ONE;
}
throw new AssertionError();
}
// We never return, but returning a RuntimeException allows to write "throw rethrow(e)" without java complaining
// for methods that have a return value.
public static RuntimeException rethrow(RequestExecutionException e) throws UnavailableException, TimedOutException
{
if (e instanceof RequestFailureException)
throw toThrift((RequestFailureException)e);
else if (e instanceof RequestTimeoutException)
throw toThrift((RequestTimeoutException)e);
else
throw new UnavailableException();
}
public static InvalidRequestException toThrift(RequestValidationException e)
{
return new InvalidRequestException(e.getMessage());
}
public static UnavailableException toThrift(org.apache.cassandra.exceptions.UnavailableException e)
{
return new UnavailableException();
}
public static AuthenticationException toThrift(org.apache.cassandra.exceptions.AuthenticationException e)
{
return new AuthenticationException(e.getMessage());
}
public static TimedOutException toThrift(RequestTimeoutException e)
{
TimedOutException toe = new TimedOutException();
if (e instanceof WriteTimeoutException)
{
WriteTimeoutException wte = (WriteTimeoutException)e;
toe.setAcknowledged_by(wte.received);
if (wte.writeType == WriteType.BATCH_LOG)
toe.setAcknowledged_by_batchlog(false);
else if (wte.writeType == WriteType.BATCH)
toe.setAcknowledged_by_batchlog(true);
else if (wte.writeType == WriteType.CAS)
toe.setPaxos_in_progress(true);
}
return toe;
}
// Thrift does not support RequestFailureExceptions, so we translate them into timeouts
public static TimedOutException toThrift(RequestFailureException e)
{
return new TimedOutException();
}
public static RowFilter rowFilterFromThrift(CFMetaData metadata, List exprs)
{
if (exprs == null || exprs.isEmpty())
return RowFilter.NONE;
RowFilter converted = RowFilter.forThrift(exprs.size());
for (IndexExpression expr : exprs)
converted.addThriftExpression(metadata, expr.column_name, Operator.valueOf(expr.op.name()), expr.value);
return converted;
}
public static KeyspaceMetadata fromThrift(KsDef ksd, CFMetaData... cfDefs) throws ConfigurationException
{
Class cls = AbstractReplicationStrategy.getClass(ksd.strategy_class);
if (cls.equals(LocalStrategy.class))
throw new ConfigurationException("Unable to use given strategy class: LocalStrategy is reserved for internal use.");
Map replicationMap = new HashMap<>();
if (ksd.strategy_options != null)
replicationMap.putAll(ksd.strategy_options);
replicationMap.put(ReplicationParams.CLASS, cls.getName());
return KeyspaceMetadata.create(ksd.name, KeyspaceParams.create(ksd.durable_writes, replicationMap), Tables.of(cfDefs));
}
public static KsDef toThrift(KeyspaceMetadata ksm)
{
List cfDefs = new ArrayList<>();
for (CFMetaData cfm : ksm.tables) // do not include views
if (cfm.isThriftCompatible()) // Don't expose CF that cannot be correctly handle by thrift; see CASSANDRA-4377 for further details
cfDefs.add(toThrift(cfm));
KsDef ksdef = new KsDef(ksm.name, ksm.params.replication.klass.getName(), cfDefs);
ksdef.setStrategy_options(ksm.params.replication.options);
ksdef.setDurable_writes(ksm.params.durableWrites);
return ksdef;
}
public static CFMetaData fromThrift(CfDef cf_def)
throws org.apache.cassandra.exceptions.InvalidRequestException, ConfigurationException
{
// This is a creation: the table is dense if it doesn't define any column_metadata
boolean isDense = cf_def.column_metadata == null || cf_def.column_metadata.isEmpty();
return internalFromThrift(cf_def, true, Collections.emptyList(), isDense);
}
public static CFMetaData fromThriftForUpdate(CfDef cf_def, CFMetaData toUpdate)
throws org.apache.cassandra.exceptions.InvalidRequestException, ConfigurationException
{
return internalFromThrift(cf_def, false, toUpdate.allColumns(), toUpdate.isDense());
}
private static boolean isSuper(String thriftColumnType)
throws org.apache.cassandra.exceptions.InvalidRequestException
{
switch (thriftColumnType.toLowerCase(Locale.ENGLISH))
{
case "standard": return false;
case "super": return true;
default: throw new org.apache.cassandra.exceptions.InvalidRequestException("Invalid column type " + thriftColumnType);
}
}
/**
* Convert a thrift CfDef.
* ,
* This is used both for creation and update of CF.
*
* @param cf_def the thrift CfDef to convert.
* @param isCreation whether that is a new table creation or not.
* @param previousCQLMetadata if it is not a table creation, the previous
* definitions of the tables (which we use to preserve the CQL metadata).
* If it is a table creation, this will be empty.
* @param isDense whether the table is dense or not.
*
* @return the converted table definition.
*/
private static CFMetaData internalFromThrift(CfDef cf_def,
boolean isCreation,
Collection previousCQLMetadata,
boolean isDense)
throws org.apache.cassandra.exceptions.InvalidRequestException, ConfigurationException
{
applyImplicitDefaults(cf_def);
try
{
boolean isSuper = isSuper(cf_def.column_type);
AbstractType rawComparator = TypeParser.parse(cf_def.comparator_type);
AbstractType subComparator = isSuper
? cf_def.subcomparator_type == null ? BytesType.instance : TypeParser.parse(cf_def.subcomparator_type)
: null;
AbstractType keyValidator = cf_def.isSetKey_validation_class() ? TypeParser.parse(cf_def.key_validation_class) : BytesType.instance;
AbstractType defaultValidator = TypeParser.parse(cf_def.default_validation_class);
// Convert the definitions from the input CfDef
List defs = fromThrift(cf_def.keyspace, cf_def.name, rawComparator, subComparator, cf_def.column_metadata);
// Add the keyAlias if there is one, since that's a CQL metadata that thrift can actually change (for
// historical reasons)
boolean hasKeyAlias = cf_def.isSetKey_alias() && keyValidator != null && !(keyValidator instanceof CompositeType);
if (hasKeyAlias)
defs.add(ColumnDefinition.partitionKeyDef(cf_def.keyspace, cf_def.name, UTF8Type.instance.getString(cf_def.key_alias), keyValidator, 0));
// Now add any CQL metadata that we want to copy, skipping the keyAlias if there was one
for (ColumnDefinition def : previousCQLMetadata)
{
// isPartOfCellName basically means 'is not just a CQL metadata'
if (def.isPartOfCellName(false, isSuper))
continue;
if (def.kind == ColumnDefinition.Kind.PARTITION_KEY && hasKeyAlias)
continue;
defs.add(def);
}
UUID cfId = Schema.instance.getId(cf_def.keyspace, cf_def.name);
if (cfId == null)
cfId = UUIDGen.getTimeUUID();
boolean isCompound = !isSuper && (rawComparator instanceof CompositeType);
boolean isCounter = defaultValidator instanceof CounterColumnType;
// If it's a thrift table creation, adds the default CQL metadata for the new table
if (isCreation)
{
addDefaultCQLMetadata(defs,
cf_def.keyspace,
cf_def.name,
hasKeyAlias ? null : keyValidator,
rawComparator,
subComparator,
defaultValidator,
isDense);
}
// We do not allow Thrift views, so we always set it to false
boolean isView = false;
CFMetaData newCFMD = CFMetaData.create(cf_def.keyspace,
cf_def.name,
cfId,
isDense,
isCompound,
isSuper,
isCounter,
isView,
defs,
DatabaseDescriptor.getPartitioner());
// Convert any secondary indexes defined in the thrift column_metadata
newCFMD.indexes(indexDefsFromThrift(newCFMD,
cf_def.keyspace,
cf_def.name,
rawComparator,
subComparator,
cf_def.column_metadata));
if (cf_def.isSetGc_grace_seconds())
newCFMD.gcGraceSeconds(cf_def.gc_grace_seconds);
newCFMD.compaction(compactionParamsFromThrift(cf_def));
if (cf_def.isSetBloom_filter_fp_chance())
newCFMD.bloomFilterFpChance(cf_def.bloom_filter_fp_chance);
if (cf_def.isSetMemtable_flush_period_in_ms())
newCFMD.memtableFlushPeriod(cf_def.memtable_flush_period_in_ms);
if (cf_def.isSetCaching() || cf_def.isSetCells_per_row_to_cache())
newCFMD.caching(cachingFromThrift(cf_def.caching, cf_def.cells_per_row_to_cache));
if (cf_def.isSetRead_repair_chance())
newCFMD.readRepairChance(cf_def.read_repair_chance);
if (cf_def.isSetDefault_time_to_live())
newCFMD.defaultTimeToLive(cf_def.default_time_to_live);
if (cf_def.isSetDclocal_read_repair_chance())
newCFMD.dcLocalReadRepairChance(cf_def.dclocal_read_repair_chance);
if (cf_def.isSetMin_index_interval())
newCFMD.minIndexInterval(cf_def.min_index_interval);
if (cf_def.isSetMax_index_interval())
newCFMD.maxIndexInterval(cf_def.max_index_interval);
if (cf_def.isSetSpeculative_retry())
newCFMD.speculativeRetry(SpeculativeRetryParam.fromString(cf_def.speculative_retry));
if (cf_def.isSetTriggers())
newCFMD.triggers(triggerDefinitionsFromThrift(cf_def.triggers));
if (cf_def.isSetComment())
newCFMD.comment(cf_def.comment);
if (cf_def.isSetCompression_options())
newCFMD.compression(compressionParametersFromThrift(cf_def.compression_options));
return newCFMD;
}
catch (SyntaxException | MarshalException e)
{
throw new ConfigurationException(e.getMessage());
}
}
@SuppressWarnings("unchecked")
private static CompactionParams compactionParamsFromThrift(CfDef cf_def)
{
Class klass =
CFMetaData.createCompactionStrategy(cf_def.compaction_strategy);
Map options = new HashMap<>(cf_def.compaction_strategy_options);
int minThreshold = cf_def.min_compaction_threshold;
int maxThreshold = cf_def.max_compaction_threshold;
if (CompactionParams.supportsThresholdParams(klass))
{
options.putIfAbsent(CompactionParams.Option.MIN_THRESHOLD.toString(), Integer.toString(minThreshold));
options.putIfAbsent(CompactionParams.Option.MAX_THRESHOLD.toString(), Integer.toString(maxThreshold));
}
return CompactionParams.create(klass, options);
}
private static CompressionParams compressionParametersFromThrift(Map compression_options)
{
CompressionParams compressionParameter = CompressionParams.fromMap(compression_options);
compressionParameter.validate();
return compressionParameter;
}
private static void addDefaultCQLMetadata(Collection defs,
String ks,
String cf,
AbstractType keyValidator,
AbstractType comparator,
AbstractType subComparator,
AbstractType defaultValidator,
boolean isDense)
{
CompactTables.DefaultNames names = CompactTables.defaultNameGenerator(defs);
if (keyValidator != null)
{
if (keyValidator instanceof CompositeType)
{
List> subTypes = ((CompositeType)keyValidator).types;
for (int i = 0; i < subTypes.size(); i++)
defs.add(ColumnDefinition.partitionKeyDef(ks, cf, names.defaultPartitionKeyName(), subTypes.get(i), i));
}
else
{
defs.add(ColumnDefinition.partitionKeyDef(ks, cf, names.defaultPartitionKeyName(), keyValidator, 0));
}
}
if (subComparator != null)
{
// SuperColumn tables: we use a special map to hold dynamic values within a given super column
defs.add(ColumnDefinition.clusteringDef(ks, cf, names.defaultClusteringName(), comparator, 0));
defs.add(ColumnDefinition.regularDef(ks, cf, SuperColumnCompatibility.SUPER_COLUMN_MAP_COLUMN_STR, MapType.getInstance(subComparator, defaultValidator, true)));
if (isDense)
{
defs.add(ColumnDefinition.clusteringDef(ks, cf, names.defaultClusteringName(), subComparator, 1));
defs.add(ColumnDefinition.regularDef(ks, cf, names.defaultCompactValueName(), defaultValidator));
}
}
else
{
List> subTypes = comparator instanceof CompositeType
? ((CompositeType)comparator).types
: Collections.>singletonList(comparator);
for (int i = 0; i < subTypes.size(); i++)
defs.add(ColumnDefinition.clusteringDef(ks, cf, names.defaultClusteringName(), subTypes.get(i), i));
defs.add(ColumnDefinition.regularDef(ks, cf, names.defaultCompactValueName(), defaultValidator));
}
}
/* applies implicit defaults to cf definition. useful in updates */
@SuppressWarnings("deprecation")
private static void applyImplicitDefaults(org.apache.cassandra.thrift.CfDef cf_def)
{
if (!cf_def.isSetComment())
cf_def.setComment("");
if (!cf_def.isSetMin_compaction_threshold())
cf_def.setMin_compaction_threshold(CompactionParams.DEFAULT_MIN_THRESHOLD);
if (!cf_def.isSetMax_compaction_threshold())
cf_def.setMax_compaction_threshold(CompactionParams.DEFAULT_MAX_THRESHOLD);
if (!cf_def.isSetCompaction_strategy())
cf_def.setCompaction_strategy(CompactionParams.DEFAULT.klass().getSimpleName());
if (!cf_def.isSetCompaction_strategy_options())
cf_def.setCompaction_strategy_options(Collections.emptyMap());
if (!cf_def.isSetCompression_options())
cf_def.setCompression_options(Collections.singletonMap(CompressionParams.SSTABLE_COMPRESSION, CompressionParams.DEFAULT.klass().getCanonicalName()));
if (!cf_def.isSetDefault_time_to_live())
cf_def.setDefault_time_to_live(TableParams.DEFAULT_DEFAULT_TIME_TO_LIVE);
if (!cf_def.isSetDclocal_read_repair_chance())
cf_def.setDclocal_read_repair_chance(TableParams.DEFAULT_DCLOCAL_READ_REPAIR_CHANCE);
// if index_interval was set, use that for the min_index_interval default
if (!cf_def.isSetMin_index_interval())
{
if (cf_def.isSetIndex_interval())
cf_def.setMin_index_interval(cf_def.getIndex_interval());
else
cf_def.setMin_index_interval(TableParams.DEFAULT_MIN_INDEX_INTERVAL);
}
if (!cf_def.isSetMax_index_interval())
{
// ensure the max is at least as large as the min
cf_def.setMax_index_interval(Math.max(cf_def.min_index_interval, TableParams.DEFAULT_MAX_INDEX_INTERVAL));
}
}
public static CfDef toThrift(CFMetaData cfm)
{
CfDef def = new CfDef(cfm.ksName, cfm.cfName);
def.setColumn_type(cfm.isSuper() ? "Super" : "Standard");
if (cfm.isSuper())
{
def.setComparator_type(cfm.comparator.subtype(0).toString());
def.setSubcomparator_type(cfm.thriftColumnNameType().toString());
}
else
{
def.setComparator_type(LegacyLayout.makeLegacyComparator(cfm).toString());
}
def.setComment(cfm.params.comment);
def.setRead_repair_chance(cfm.params.readRepairChance);
def.setDclocal_read_repair_chance(cfm.params.dcLocalReadRepairChance);
def.setGc_grace_seconds(cfm.params.gcGraceSeconds);
def.setDefault_validation_class(cfm.makeLegacyDefaultValidator().toString());
def.setKey_validation_class(cfm.getKeyValidator().toString());
def.setMin_compaction_threshold(cfm.params.compaction.minCompactionThreshold());
def.setMax_compaction_threshold(cfm.params.compaction.maxCompactionThreshold());
// We only return the alias if only one is set since thrift don't know about multiple key aliases
if (cfm.partitionKeyColumns().size() == 1)
def.setKey_alias(cfm.partitionKeyColumns().get(0).name.bytes);
def.setColumn_metadata(columnDefinitionsToThrift(cfm, cfm.allColumns()));
def.setCompaction_strategy(cfm.params.compaction.klass().getName());
def.setCompaction_strategy_options(cfm.params.compaction.options());
def.setCompression_options(compressionParametersToThrift(cfm.params.compression));
def.setBloom_filter_fp_chance(cfm.params.bloomFilterFpChance);
def.setMin_index_interval(cfm.params.minIndexInterval);
def.setMax_index_interval(cfm.params.maxIndexInterval);
def.setMemtable_flush_period_in_ms(cfm.params.memtableFlushPeriodInMs);
def.setCaching(toThrift(cfm.params.caching));
def.setCells_per_row_to_cache(toThriftCellsPerRow(cfm.params.caching));
def.setDefault_time_to_live(cfm.params.defaultTimeToLive);
def.setSpeculative_retry(cfm.params.speculativeRetry.toString());
def.setTriggers(triggerDefinitionsToThrift(cfm.getTriggers()));
return def;
}
public static ColumnDefinition fromThrift(String ksName,
String cfName,
AbstractType thriftComparator,
AbstractType thriftSubcomparator,
ColumnDef thriftColumnDef)
throws SyntaxException, ConfigurationException
{
boolean isSuper = thriftSubcomparator != null;
// For super columns, the componentIndex is 1 because the ColumnDefinition applies to the column component.
AbstractType comparator = thriftSubcomparator == null ? thriftComparator : thriftSubcomparator;
try
{
comparator.validate(thriftColumnDef.name);
}
catch (MarshalException e)
{
throw new ConfigurationException(String.format("Column name %s is not valid for comparator %s", ByteBufferUtil.bytesToHex(thriftColumnDef.name), comparator));
}
// In our generic layout, we store thrift defined columns as static, but this doesn't work for super columns so we
// use a regular definition (and "dynamic" columns are handled in a map).
ColumnDefinition.Kind kind = isSuper ? ColumnDefinition.Kind.REGULAR : ColumnDefinition.Kind.STATIC;
return new ColumnDefinition(ksName,
cfName,
ColumnIdentifier.getInterned(ByteBufferUtil.clone(thriftColumnDef.name), comparator),
TypeParser.parse(thriftColumnDef.validation_class),
ColumnDefinition.NO_POSITION,
kind);
}
private static List fromThrift(String ksName,
String cfName,
AbstractType thriftComparator,
AbstractType thriftSubcomparator,
List thriftDefs)
throws SyntaxException, ConfigurationException
{
if (thriftDefs == null)
return new ArrayList<>();
List defs = new ArrayList<>(thriftDefs.size());
for (ColumnDef thriftColumnDef : thriftDefs)
defs.add(fromThrift(ksName, cfName, thriftComparator, thriftSubcomparator, thriftColumnDef));
return defs;
}
private static Indexes indexDefsFromThrift(CFMetaData cfm,
String ksName,
String cfName,
AbstractType thriftComparator,
AbstractType thriftSubComparator,
List thriftDefs)
{
if (thriftDefs == null)
return Indexes.none();
Set indexNames = new HashSet<>();
Indexes.Builder indexes = Indexes.builder();
for (ColumnDef def : thriftDefs)
{
if (def.isSetIndex_type())
{
ColumnDefinition column = fromThrift(ksName, cfName, thriftComparator, thriftSubComparator, def);
String indexName = def.getIndex_name();
// add a generated index name if none was supplied
if (Strings.isNullOrEmpty(indexName))
indexName = Indexes.getAvailableIndexName(ksName, cfName, column.name.toString());
if (indexNames.contains(indexName))
throw new ConfigurationException("Duplicate index name " + indexName);
indexNames.add(indexName);
Map indexOptions = def.getIndex_options();
if (indexOptions != null && indexOptions.containsKey(IndexTarget.TARGET_OPTION_NAME))
throw new ConfigurationException("Reserved index option 'target' cannot be used");
IndexMetadata.Kind kind = IndexMetadata.Kind.valueOf(def.index_type.name());
indexes.add(IndexMetadata.fromLegacyMetadata(cfm, column, indexName, kind, indexOptions));
}
}
return indexes.build();
}
@VisibleForTesting
public static ColumnDef toThrift(CFMetaData cfMetaData, ColumnDefinition column)
{
ColumnDef cd = new ColumnDef();
cd.setName(ByteBufferUtil.clone(column.name.bytes));
cd.setValidation_class(column.type.toString());
// we include the index in the ColumnDef iff its targets are compatible with
// pre-3.0 indexes AND it is the only index defined on the given column, that is:
// * it is the only index on the column (i.e. with this column as its target)
// * it has only a single target, which matches the pattern for pre-3.0 indexes
// i.e. keys/values/entries/full, with exactly 1 argument that matches the
// column name OR a simple column name (for indexes on non-collection columns)
// n.b. it's a guess that using a pre-compiled regex and checking the group is
// cheaper than compiling a new regex for each column, but as this isn't on
// any hot path this hasn't been verified yet.
IndexMetadata matchedIndex = null;
for (IndexMetadata index : cfMetaData.getIndexes())
{
Pair target = CassandraIndex.parseTarget(cfMetaData, index);
if (target.left.equals(column))
{
// we already found an index for this column, we've no option but to
// ignore both of them (and any others we've yet to find)
if (matchedIndex != null)
return cd;
matchedIndex = index;
}
}
if (matchedIndex != null)
{
cd.setIndex_type(org.apache.cassandra.thrift.IndexType.valueOf(matchedIndex.kind.name()));
cd.setIndex_name(matchedIndex.name);
Map filteredOptions = Maps.filterKeys(matchedIndex.options,
s -> !IndexTarget.TARGET_OPTION_NAME.equals(s));
cd.setIndex_options(filteredOptions.isEmpty()
? null
: Maps.newHashMap(filteredOptions));
}
return cd;
}
private static List columnDefinitionsToThrift(CFMetaData metadata, Collection columns)
{
List thriftDefs = new ArrayList<>(columns.size());
for (ColumnDefinition def : columns)
if (def.isPartOfCellName(metadata.isCQLTable(), metadata.isSuper()))
thriftDefs.add(ThriftConversion.toThrift(metadata, def));
return thriftDefs;
}
private static Triggers triggerDefinitionsFromThrift(List thriftDefs)
{
Triggers.Builder triggers = Triggers.builder();
for (TriggerDef thriftDef : thriftDefs)
triggers.add(new TriggerMetadata(thriftDef.getName(), thriftDef.getOptions().get(TriggerMetadata.CLASS)));
return triggers.build();
}
private static List triggerDefinitionsToThrift(Triggers triggers)
{
List thriftDefs = new ArrayList<>();
for (TriggerMetadata def : triggers)
{
TriggerDef td = new TriggerDef();
td.setName(def.name);
td.setOptions(Collections.singletonMap(TriggerMetadata.CLASS, def.classOption));
thriftDefs.add(td);
}
return thriftDefs;
}
@SuppressWarnings("deprecation")
public static Map compressionParametersToThrift(CompressionParams parameters)
{
if (!parameters.isEnabled())
return Collections.emptyMap();
Map options = new HashMap<>(parameters.getOtherOptions());
Class klass = parameters.getSstableCompressor().getClass();
options.put(CompressionParams.SSTABLE_COMPRESSION, klass.getName());
options.put(CompressionParams.CHUNK_LENGTH_KB, parameters.chunkLengthInKB());
return options;
}
private static String toThrift(CachingParams caching)
{
if (caching.cacheRows() && caching.cacheKeys())
return "ALL";
if (caching.cacheRows())
return "ROWS_ONLY";
if (caching.cacheKeys())
return "KEYS_ONLY";
return "NONE";
}
private static CachingParams cachingFromTrhfit(String caching)
{
switch (caching.toUpperCase(Locale.ENGLISH))
{
case "ALL":
return CachingParams.CACHE_EVERYTHING;
case "ROWS_ONLY":
return new CachingParams(false, Integer.MAX_VALUE);
case "KEYS_ONLY":
return CachingParams.CACHE_KEYS;
case "NONE":
return CachingParams.CACHE_NOTHING;
default:
throw new ConfigurationException(String.format("Invalid value %s for caching parameter", caching));
}
}
private static String toThriftCellsPerRow(CachingParams caching)
{
return caching.cacheAllRows()
? "ALL"
: String.valueOf(caching.rowsPerPartitionToCache());
}
private static int fromThriftCellsPerRow(String value)
{
return "ALL".equals(value)
? Integer.MAX_VALUE
: Integer.parseInt(value);
}
public static CachingParams cachingFromThrift(String caching, String cellsPerRow)
{
boolean cacheKeys = true;
int rowsPerPartitionToCache = 0;
// if we get a caching string from thrift it is legacy, "ALL", "KEYS_ONLY" etc
if (caching != null)
{
CachingParams parsed = cachingFromTrhfit(caching);
cacheKeys = parsed.cacheKeys();
rowsPerPartitionToCache = parsed.rowsPerPartitionToCache();
}
// if we get cells_per_row from thrift, it is either "ALL" or "".
if (cellsPerRow != null && rowsPerPartitionToCache > 0)
rowsPerPartitionToCache = fromThriftCellsPerRow(cellsPerRow);
return new CachingParams(cacheKeys, rowsPerPartitionToCache);
}
}