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BatchInserterImpl.java
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BatchInserterImpl.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.unsafe.batchinsert.internal;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.function.LongFunction;
import org.neo4j.collection.primitive.PrimitiveIntCollections;
import org.neo4j.collection.primitive.PrimitiveLongCollections;
import org.neo4j.graphdb.ConstraintViolationException;
import org.neo4j.graphdb.Label;
import org.neo4j.graphdb.NotFoundException;
import org.neo4j.graphdb.RelationshipType;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.graphdb.schema.ConstraintCreator;
import org.neo4j.graphdb.schema.ConstraintDefinition;
import org.neo4j.graphdb.schema.IndexCreator;
import org.neo4j.graphdb.schema.IndexDefinition;
import org.neo4j.helpers.collection.Iterables;
import org.neo4j.helpers.collection.IteratorWrapper;
import org.neo4j.helpers.collection.Iterators;
import org.neo4j.helpers.collection.Visitor;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.io.pagecache.tracing.PageCacheTracer;
import org.neo4j.kernel.api.schema.NodePropertyDescriptor;
import org.neo4j.kernel.api.schema.RelationshipPropertyDescriptor;
import org.neo4j.kernel.api.constraints.NodePropertyExistenceConstraint;
import org.neo4j.kernel.api.constraints.RelationshipPropertyExistenceConstraint;
import org.neo4j.kernel.api.constraints.UniquenessConstraint;
import org.neo4j.kernel.api.exceptions.KernelException;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.exceptions.schema.AlreadyConstrainedException;
import org.neo4j.kernel.api.exceptions.schema.CreateConstraintFailureException;
import org.neo4j.kernel.api.index.IndexConfiguration;
import org.neo4j.kernel.api.schema.IndexDescriptor;
import org.neo4j.kernel.api.schema.IndexDescriptorFactory;
import org.neo4j.kernel.api.index.IndexPopulator;
import org.neo4j.kernel.api.index.InternalIndexState;
import org.neo4j.kernel.api.index.NodePropertyUpdate;
import org.neo4j.kernel.api.index.SchemaIndexProvider;
import org.neo4j.kernel.api.labelscan.LabelScanStore;
import org.neo4j.kernel.api.labelscan.LabelScanWriter;
import org.neo4j.kernel.api.labelscan.NodeLabelUpdate;
import org.neo4j.kernel.api.properties.DefinedProperty;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.extension.KernelExtensionFactory;
import org.neo4j.kernel.extension.KernelExtensions;
import org.neo4j.kernel.extension.UnsatisfiedDependencyStrategies;
import org.neo4j.kernel.extension.dependency.HighestSelectionStrategy;
import org.neo4j.kernel.impl.api.index.NodePropertyUpdates;
import org.neo4j.kernel.impl.api.index.SchemaIndexProviderMap;
import org.neo4j.kernel.impl.api.index.StoreScan;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider;
import org.neo4j.kernel.impl.api.store.SchemaCache;
import org.neo4j.kernel.impl.constraints.StandardConstraintSemantics;
import org.neo4j.kernel.impl.core.RelationshipTypeToken;
import org.neo4j.kernel.impl.coreapi.schema.BaseNodeConstraintCreator;
import org.neo4j.kernel.impl.coreapi.schema.IndexCreatorImpl;
import org.neo4j.kernel.impl.coreapi.schema.IndexDefinitionImpl;
import org.neo4j.kernel.impl.coreapi.schema.InternalSchemaActions;
import org.neo4j.kernel.impl.coreapi.schema.NodePropertyExistenceConstraintDefinition;
import org.neo4j.kernel.impl.coreapi.schema.RelationshipPropertyExistenceConstraintDefinition;
import org.neo4j.kernel.impl.coreapi.schema.UniquenessConstraintDefinition;
import org.neo4j.kernel.impl.factory.DatabaseInfo;
import org.neo4j.kernel.impl.index.IndexConfigStore;
import org.neo4j.kernel.impl.locking.LockService;
import org.neo4j.kernel.impl.locking.Locks;
import org.neo4j.kernel.impl.locking.NoOpClient;
import org.neo4j.kernel.impl.logging.StoreLogService;
import org.neo4j.kernel.impl.pagecache.ConfiguringPageCacheFactory;
import org.neo4j.kernel.impl.pagecache.PageCacheLifecycle;
import org.neo4j.kernel.impl.spi.SimpleKernelContext;
import org.neo4j.kernel.impl.store.CountsComputer;
import org.neo4j.kernel.impl.store.LabelTokenStore;
import org.neo4j.kernel.impl.store.NeoStores;
import org.neo4j.kernel.impl.store.NodeLabels;
import org.neo4j.kernel.impl.store.NodeStore;
import org.neo4j.kernel.impl.store.PropertyKeyTokenStore;
import org.neo4j.kernel.impl.store.PropertyStore;
import org.neo4j.kernel.impl.store.RecordCursors;
import org.neo4j.kernel.impl.store.RecordStore;
import org.neo4j.kernel.impl.store.RelationshipStore;
import org.neo4j.kernel.impl.store.RelationshipTypeTokenStore;
import org.neo4j.kernel.impl.store.SchemaStore;
import org.neo4j.kernel.impl.store.StoreFactory;
import org.neo4j.kernel.impl.store.UnderlyingStorageException;
import org.neo4j.kernel.impl.store.counts.CountsTracker;
import org.neo4j.kernel.impl.store.format.RecordFormatSelector;
import org.neo4j.kernel.impl.store.format.RecordFormats;
import org.neo4j.kernel.impl.store.id.DefaultIdGeneratorFactory;
import org.neo4j.kernel.impl.store.id.IdGeneratorFactory;
import org.neo4j.kernel.impl.store.id.validation.IdValidator;
import org.neo4j.kernel.impl.store.record.DynamicRecord;
import org.neo4j.kernel.impl.store.record.IndexRule;
import org.neo4j.kernel.impl.store.record.LabelTokenRecord;
import org.neo4j.kernel.impl.store.record.NodePropertyExistenceConstraintRule;
import org.neo4j.kernel.impl.store.record.NodeRecord;
import org.neo4j.kernel.impl.store.record.PrimitiveRecord;
import org.neo4j.kernel.impl.store.record.PropertyBlock;
import org.neo4j.kernel.impl.store.record.PropertyKeyTokenRecord;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.store.record.Record;
import org.neo4j.kernel.impl.store.record.RelationshipGroupRecord;
import org.neo4j.kernel.impl.store.record.RelationshipPropertyExistenceConstraintRule;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.kernel.impl.store.record.RelationshipTypeTokenRecord;
import org.neo4j.kernel.impl.store.record.UniquePropertyConstraintRule;
import org.neo4j.kernel.impl.transaction.state.DefaultSchemaIndexProviderMap;
import org.neo4j.kernel.impl.transaction.state.PropertyCreator;
import org.neo4j.kernel.impl.transaction.state.PropertyDeleter;
import org.neo4j.kernel.impl.transaction.state.PropertyTraverser;
import org.neo4j.kernel.impl.transaction.state.RecordAccess;
import org.neo4j.kernel.impl.transaction.state.RecordAccess.RecordProxy;
import org.neo4j.kernel.impl.transaction.state.RelationshipCreator;
import org.neo4j.kernel.impl.transaction.state.RelationshipGroupGetter;
import org.neo4j.kernel.impl.transaction.state.storeview.NeoStoreIndexStoreView;
import org.neo4j.kernel.impl.util.Dependencies;
import org.neo4j.kernel.impl.util.Listener;
import org.neo4j.kernel.internal.EmbeddedGraphDatabase;
import org.neo4j.kernel.internal.StoreLocker;
import org.neo4j.kernel.lifecycle.LifeSupport;
import org.neo4j.logging.Log;
import org.neo4j.logging.LogProvider;
import org.neo4j.logging.NullLog;
import org.neo4j.storageengine.api.Token;
import org.neo4j.storageengine.api.schema.SchemaRule;
import org.neo4j.unsafe.batchinsert.BatchInserter;
import org.neo4j.unsafe.batchinsert.BatchRelationship;
import org.neo4j.unsafe.batchinsert.DirectRecordAccessSet;
import static java.lang.Boolean.parseBoolean;
import static org.neo4j.collection.primitive.PrimitiveLongCollections.map;
import static org.neo4j.graphdb.Label.label;
import static org.neo4j.kernel.api.schema.IndexDescriptorFactory.getNodePropertyDescriptor;
import static org.neo4j.kernel.impl.store.NodeLabelsField.parseLabelsField;
import static org.neo4j.kernel.impl.store.PropertyStore.encodeString;
import static org.neo4j.kernel.impl.util.IoPrimitiveUtils.safeCastLongToInt;
public class BatchInserterImpl implements BatchInserter, IndexConfigStoreProvider
{
private final LifeSupport life;
private final NeoStores neoStores;
private final IndexConfigStore indexStore;
private final File storeDir;
private final BatchTokenHolder propertyKeyTokens;
private final BatchTokenHolder relationshipTypeTokens;
private final BatchTokenHolder labelTokens;
private final IdGeneratorFactory idGeneratorFactory;
private final SchemaIndexProviderMap schemaIndexProviders;
private final LabelScanStore labelScanStore;
private final Log msgLog;
private final SchemaCache schemaCache;
private final Config config;
private final BatchInserterImpl.BatchSchemaActions actions;
private final StoreLocker storeLocker;
private boolean labelsTouched;
private boolean isShutdown;
private final LongFunction<Label> labelIdToLabelFunction = new LongFunction<Label>()
{
@Override
public Label apply( long from )
{
return label( labelTokens.byId( safeCastLongToInt( from ) ).name() );
}
};
private final FlushStrategy flushStrategy;
// Helper structure for setNodeProperty
private final RelationshipCreator relationshipCreator;
private final DirectRecordAccessSet recordAccess;
private final PropertyTraverser propertyTraverser;
private final PropertyCreator propertyCreator;
private final PropertyDeleter propertyDeletor;
private final NodeStore nodeStore;
private final RelationshipStore relationshipStore;
private final RelationshipTypeTokenStore relationshipTypeTokenStore;
private final PropertyKeyTokenStore propertyKeyTokenStore;
private final PropertyStore propertyStore;
private final RecordStore<RelationshipGroupRecord> relationshipGroupStore;
private final SchemaStore schemaStore;
private final NeoStoreIndexStoreView indexStoreView;
private final LabelTokenStore labelTokenStore;
private final Locks.Client noopLockClient = new NoOpClient();
private final long maxNodeId;
private final RecordCursors cursors;
public BatchInserterImpl( final File storeDir, final FileSystemAbstraction fileSystem,
Map<String, String> stringParams, Iterable<KernelExtensionFactory<?>> kernelExtensions ) throws IOException
{
rejectAutoUpgrade( stringParams );
Map<String, String> params = getDefaultParams();
params.putAll( stringParams );
this.config = Config.embeddedDefaults( params );
life = new LifeSupport();
this.storeDir = storeDir;
ConfiguringPageCacheFactory pageCacheFactory = new ConfiguringPageCacheFactory(
fileSystem, config, PageCacheTracer.NULL, NullLog.getInstance() );
PageCache pageCache = pageCacheFactory.getOrCreatePageCache();
life.add( new PageCacheLifecycle( pageCache ) );
StoreLogService logService = life.add( StoreLogService.inLogsDirectory( fileSystem, this.storeDir ) );
msgLog = logService.getInternalLog( getClass() );
storeLocker = new StoreLocker( fileSystem );
storeLocker.checkLock( this.storeDir );
boolean dump = config.get( GraphDatabaseSettings.dump_configuration );
this.idGeneratorFactory = new DefaultIdGeneratorFactory( fileSystem );
LogProvider internalLogProvider = logService.getInternalLogProvider();
RecordFormats recordFormats = RecordFormatSelector.selectForStoreOrConfig( config, storeDir, fileSystem,
pageCache, internalLogProvider );
StoreFactory sf = new StoreFactory( this.storeDir, config, idGeneratorFactory, pageCache, fileSystem,
recordFormats, internalLogProvider );
maxNodeId = recordFormats.node().getMaxId();
if ( dump )
{
dumpConfiguration( params, System.out );
}
msgLog.info( Thread.currentThread() + " Starting BatchInserter(" + this + ")" );
life.start();
neoStores = sf.openAllNeoStores( true );
neoStores.verifyStoreOk();
nodeStore = neoStores.getNodeStore();
relationshipStore = neoStores.getRelationshipStore();
relationshipTypeTokenStore = neoStores.getRelationshipTypeTokenStore();
propertyKeyTokenStore = neoStores.getPropertyKeyTokenStore();
propertyStore = neoStores.getPropertyStore();
relationshipGroupStore = neoStores.getRelationshipGroupStore();
schemaStore = neoStores.getSchemaStore();
labelTokenStore = neoStores.getLabelTokenStore();
List<Token> indexes = propertyKeyTokenStore.getTokens( 10000 );
propertyKeyTokens = new BatchTokenHolder( indexes );
labelTokens = new BatchTokenHolder( labelTokenStore.getTokens( Integer.MAX_VALUE ) );
List<RelationshipTypeToken> types = relationshipTypeTokenStore.getTokens( Integer.MAX_VALUE );
relationshipTypeTokens = new BatchTokenHolder( types );
indexStore = life.add( new IndexConfigStore( this.storeDir, fileSystem ) );
schemaCache = new SchemaCache( new StandardConstraintSemantics(), schemaStore );
indexStoreView = new NeoStoreIndexStoreView( LockService.NO_LOCK_SERVICE, neoStores );
Dependencies deps = new Dependencies();
deps.satisfyDependencies( fileSystem, config, logService, indexStoreView );
KernelExtensions extensions = life.add( new KernelExtensions(
new SimpleKernelContext( fileSystem, storeDir, DatabaseInfo.UNKNOWN, deps ),
kernelExtensions, deps, UnsatisfiedDependencyStrategies.ignore() ) );
SchemaIndexProvider provider = extensions.resolveDependency( SchemaIndexProvider.class,
HighestSelectionStrategy.getInstance() );
schemaIndexProviders = new DefaultSchemaIndexProviderMap( provider );
labelScanStore = life.add( extensions.resolveDependency( LabelScanStoreProvider.class,
HighestSelectionStrategy.getInstance() ).getLabelScanStore() );
actions = new BatchSchemaActions();
// Record access
recordAccess = new DirectRecordAccessSet( neoStores );
relationshipCreator = new RelationshipCreator(
new RelationshipGroupGetter( relationshipGroupStore ), relationshipGroupStore.getStoreHeaderInt() );
propertyTraverser = new PropertyTraverser();
propertyCreator = new PropertyCreator( propertyStore, propertyTraverser );
propertyDeletor = new PropertyDeleter( propertyTraverser );
flushStrategy = new BatchedFlushStrategy( recordAccess, config.get( GraphDatabaseSettings
.batch_inserter_batch_size ) );
cursors = new RecordCursors( neoStores );
}
private Map<String, String> getDefaultParams()
{
Map<String, String> params = new HashMap<>();
params.put( GraphDatabaseSettings.pagecache_memory.name(), "32m" );
return params;
}
@Override
public boolean nodeHasProperty( long node, String propertyName )
{
return primitiveHasProperty( getNodeRecord( node ).forChangingData(), propertyName );
}
@Override
public boolean relationshipHasProperty( long relationship, String propertyName )
{
return primitiveHasProperty(
recordAccess.getRelRecords().getOrLoad( relationship, null ).forReadingData(), propertyName );
}
@Override
public void setNodeProperty( long node, String propertyName, Object propertyValue )
{
RecordProxy<Long,NodeRecord,Void> nodeRecord = getNodeRecord( node );
setPrimitiveProperty( nodeRecord, propertyName, propertyValue );
flushStrategy.flush();
}
@Override
public void setRelationshipProperty( long relationship, String propertyName, Object propertyValue )
{
RecordProxy<Long,RelationshipRecord,Void> relationshipRecord = getRelationshipRecord( relationship );
setPrimitiveProperty( relationshipRecord, propertyName, propertyValue );
flushStrategy.flush();
}
@Override
public void removeNodeProperty( long node, String propertyName )
{
int propertyKey = getOrCreatePropertyKeyId( propertyName );
propertyDeletor.removeProperty( getNodeRecord( node ), propertyKey, recordAccess.getPropertyRecords() );
flushStrategy.flush();
}
@Override
public void removeRelationshipProperty( long relationship,
String propertyName )
{
int propertyKey = getOrCreatePropertyKeyId( propertyName );
propertyDeletor.removeProperty( getRelationshipRecord( relationship ), propertyKey,
recordAccess.getPropertyRecords() );
flushStrategy.flush();
}
@Override
public IndexCreator createDeferredSchemaIndex( Label label )
{
return new IndexCreatorImpl( actions, label );
}
private void setPrimitiveProperty( RecordProxy<Long,? extends PrimitiveRecord,Void> primitiveRecord,
String propertyName, Object propertyValue )
{
int propertyKey = getOrCreatePropertyKeyId( propertyName );
RecordAccess<Long,PropertyRecord,PrimitiveRecord> propertyRecords = recordAccess.getPropertyRecords();
propertyCreator.primitiveSetProperty( primitiveRecord, propertyKey, propertyValue, propertyRecords );
}
private void validateIndexCanBeCreated( NodePropertyDescriptor descriptor )
{
verifyIndexOrUniquenessConstraintCanBeCreated( descriptor,
"Index for given {label;property} already exists" );
}
private void validateUniquenessConstraintCanBeCreated( NodePropertyDescriptor descriptor )
{
verifyIndexOrUniquenessConstraintCanBeCreated( descriptor,
"It is not allowed to create uniqueness constraints and indexes on the same {label;property}" );
}
private void verifyIndexOrUniquenessConstraintCanBeCreated( NodePropertyDescriptor descriptor, String errorMessage )
{
for ( SchemaRule rule : schemaCache.schemaRulesForLabel( descriptor.getLabelId() ) )
{
NodePropertyDescriptor otherDescriptor;
switch ( rule.getKind() )
{
case INDEX_RULE:
case CONSTRAINT_INDEX_RULE:
otherDescriptor = ((IndexRule) rule).descriptor();
break;
case UNIQUENESS_CONSTRAINT:
otherDescriptor = ((UniquePropertyConstraintRule) rule).descriptor();
break;
case NODE_PROPERTY_EXISTENCE_CONSTRAINT:
continue;
default:
throw new IllegalStateException( "Case not handled for " + rule.getKind() );
}
if ( otherDescriptor.equals( descriptor ) )
{
throw new ConstraintViolationException( errorMessage );
}
}
}
private void validateNodePropertyExistenceConstraintCanBeCreated( NodePropertyDescriptor descriptor )
{
for ( SchemaRule rule : schemaCache.schemaRulesForLabel( descriptor.getLabelId() ) )
{
if ( rule.getKind() == SchemaRule.Kind.NODE_PROPERTY_EXISTENCE_CONSTRAINT &&
descriptor.equals( ((NodePropertyExistenceConstraintRule) rule).descriptor() ) )
{
throw new ConstraintViolationException(
"Node property existence constraint for given {label;property} already exists" );
}
}
}
private void validateRelationshipConstraintCanBeCreated( int typeId, int propertyKeyId )
{
for ( SchemaRule rule : schemaCache.schemaRulesForRelationshipType( typeId ) )
{
if ( rule.getKind() == SchemaRule.Kind.RELATIONSHIP_PROPERTY_EXISTENCE_CONSTRAINT &&
propertyKeyId == ((RelationshipPropertyExistenceConstraintRule) rule).getPropertyKey() )
{
throw new ConstraintViolationException(
"Relationship property existence constraint for given {type;property} already exists" );
}
}
}
private void createIndexRule( NodePropertyDescriptor descriptor )
{
IndexRule schemaRule = IndexRule.indexRule( schemaStore.nextId(), descriptor,
this.schemaIndexProviders.getDefaultProvider()
.getProviderDescriptor() );
for ( DynamicRecord record : schemaStore.allocateFrom( schemaRule ) )
{
schemaStore.updateRecord( record );
}
schemaCache.addSchemaRule( schemaRule );
labelsTouched = true;
flushStrategy.forceFlush();
}
private void repopulateAllIndexes() throws IOException, IndexEntryConflictException
{
if ( !labelsTouched )
{
return;
}
final IndexRule[] rules = getIndexesNeedingPopulation();
final IndexPopulator[] populators = new IndexPopulator[rules.length];
// the store is uncontended at this point, so creating a local LockService is safe.
final int[] labelIds = new int[rules.length];
final int[] propertyKeyIds = new int[rules.length];
for ( int i = 0; i < labelIds.length; i++ )
{
IndexRule rule = rules[i];
int labelId = rule.getLabel();
int propertyKeyId = rule.descriptor().getPropertyKeyId();
labelIds[i] = labelId;
// TODO: Support composite indexes
propertyKeyIds[i] = propertyKeyId;
IndexDescriptor descriptor =
IndexDescriptorFactory.of( labelId, propertyKeyId );
populators[i] = schemaIndexProviders.apply( rule.getProviderDescriptor() )
.getPopulator( rule.getId(),
descriptor,
IndexConfiguration.of( rule ),
new IndexSamplingConfig( config ) );
populators[i].create();
}
Visitor<NodePropertyUpdates, IOException> propertyUpdateVisitor = updates -> {
// Do a lookup from which property has changed to a list of indexes worried about that property.
for ( NodePropertyUpdate update : updates.getPropertyUpdates() )
{
int propertyKeyInQuestion = update.getPropertyKeyId();
for ( int i = 0; i < propertyKeyIds.length; i++ )
{
if ( propertyKeyIds[i] == propertyKeyInQuestion )
{
if ( update.forLabel( labelIds[i] ) )
{
try
{
populators[i].add( Collections.singletonList( update ) );
}
catch ( IndexEntryConflictException conflict )
{
//TODO: Support composite indexes
throw conflict.notAllowed( rules[i].getLabel(), rules[i].descriptor().getPropertyKeyId() );
}
}
}
}
}
return true;
};
InitialNodeLabelCreationVisitor labelUpdateVisitor = new InitialNodeLabelCreationVisitor();
StoreScan<IOException> storeScan = indexStoreView.visitNodes( labelIds,
(propertyKeyId) -> PrimitiveIntCollections.contains( propertyKeyIds, propertyKeyId ),
propertyUpdateVisitor, labelUpdateVisitor );
storeScan.run();
for ( IndexPopulator populator : populators )
{
populator.verifyDeferredConstraints( indexStoreView );
populator.close( true );
}
labelUpdateVisitor.close();
}
private void rebuildCounts()
{
CountsTracker counts = neoStores.getCounts();
try
{
counts.start();
}
catch ( IOException e )
{
throw new UnderlyingStorageException( e );
}
CountsComputer.recomputeCounts( neoStores );
}
private class InitialNodeLabelCreationVisitor implements Visitor<NodeLabelUpdate, IOException>
{
LabelScanWriter writer = labelScanStore.newWriter();
@Override
public boolean visit( NodeLabelUpdate update ) throws IOException
{
writer.write( update );
return true;
}
public void close() throws IOException
{
writer.close();
}
}
private IndexRule[] getIndexesNeedingPopulation()
{
List<IndexRule> indexesNeedingPopulation = new ArrayList<>();
for ( SchemaRule rule : schemaCache.schemaRules() )
{
if ( rule.getKind().isIndex() )
{
IndexRule indexRule = (IndexRule) rule;
SchemaIndexProvider provider =
schemaIndexProviders.apply( indexRule.getProviderDescriptor() );
if ( provider.getInitialState( indexRule.getId() ) != InternalIndexState.FAILED )
{
indexesNeedingPopulation.add( indexRule );
}
}
}
return indexesNeedingPopulation.toArray( new IndexRule[indexesNeedingPopulation.size()] );
}
@Override
public ConstraintCreator createDeferredConstraint( Label label )
{
return new BaseNodeConstraintCreator( new BatchSchemaActions(), label );
}
private void createConstraintRule( UniquenessConstraint constraint )
{
// TODO: Do not create duplicate index
long indexRuleId = schemaStore.nextId();
long constraintRuleId = schemaStore.nextId();
IndexRule indexRule = IndexRule.constraintIndexRule(
indexRuleId, constraint.descriptor(),
this.schemaIndexProviders.getDefaultProvider().getProviderDescriptor(),
constraintRuleId );
UniquePropertyConstraintRule
constraintRule = UniquePropertyConstraintRule.uniquenessConstraintRule(
constraintRuleId, constraint.descriptor(), indexRuleId );
for ( DynamicRecord record : schemaStore.allocateFrom( constraintRule ) )
{
schemaStore.updateRecord( record );
}
schemaCache.addSchemaRule( constraintRule );
for ( DynamicRecord record : schemaStore.allocateFrom( indexRule ) )
{
schemaStore.updateRecord( record );
}
schemaCache.addSchemaRule( indexRule );
labelsTouched = true;
flushStrategy.forceFlush();
}
private void createConstraintRule( NodePropertyExistenceConstraint constraint )
{
SchemaRule rule = NodePropertyExistenceConstraintRule.nodePropertyExistenceConstraintRule( schemaStore.nextId(),
constraint.descriptor() );
for ( DynamicRecord record : schemaStore.allocateFrom( rule ) )
{
schemaStore.updateRecord( record );
}
schemaCache.addSchemaRule( rule );
labelsTouched = true;
flushStrategy.forceFlush();
}
private void createConstraintRule( RelationshipPropertyExistenceConstraint constraint )
{
SchemaRule rule = RelationshipPropertyExistenceConstraintRule.relPropertyExistenceConstraintRule(
schemaStore.nextId(), constraint.descriptor() );
for ( DynamicRecord record : schemaStore.allocateFrom( rule ) )
{
schemaStore.updateRecord( record );
}
schemaCache.addSchemaRule( rule );
flushStrategy.forceFlush();
}
private int getOrCreatePropertyKeyId( String name )
{
int propertyKeyId = tokenIdByName( propertyKeyTokens, name );
if ( propertyKeyId == -1 )
{
propertyKeyId = createNewPropertyKeyId( name );
}
return propertyKeyId;
}
private int getOrCreateRelationshipTypeToken( RelationshipType type )
{
int typeId = tokenIdByName( relationshipTypeTokens, type.name() );
if ( typeId == -1 )
{
typeId = createNewRelationshipType( type.name() );
}
return typeId;
}
private int getOrCreateLabelId( String name )
{
int labelId = tokenIdByName( labelTokens, name );
if ( labelId == -1 )
{
labelId = createNewLabelId( name );
}
return labelId;
}
private int getOrCreateRelationshipTypeId( String name )
{
int relationshipTypeId = tokenIdByName( relationshipTypeTokens, name );
if ( relationshipTypeId == -1 )
{
relationshipTypeId = createNewRelationshipType( name );
}
return relationshipTypeId;
}
private int tokenIdByName( BatchTokenHolder tokens, String name )
{
Token token = tokens.byName( name );
return token != null ? token.id() : -1;
}
private boolean primitiveHasProperty( PrimitiveRecord record, String propertyName )
{
int propertyKeyId = tokenIdByName( propertyKeyTokens, propertyName );
return propertyKeyId != -1 && propertyTraverser.findPropertyRecordContaining( record, propertyKeyId,
recordAccess.getPropertyRecords(), false ) != Record.NO_NEXT_PROPERTY.intValue();
}
private void rejectAutoUpgrade( Map<String, String> params )
{
if ( parseBoolean( params.get( GraphDatabaseSettings.allow_store_upgrade.name() ) ) )
{
throw new IllegalArgumentException( "Batch inserter is not allowed to do upgrade of a store" +
", use " + EmbeddedGraphDatabase.class.getSimpleName() + " instead" );
}
}
@Override
public long createNode( Map<String, Object> properties, Label... labels )
{
return internalCreateNode( nodeStore.nextId(), properties, labels );
}
private long internalCreateNode( long nodeId, Map<String, Object> properties, Label... labels )
{
NodeRecord nodeRecord = recordAccess.getNodeRecords().create( nodeId, null ).forChangingData();
nodeRecord.setInUse( true );
nodeRecord.setCreated();
nodeRecord.setNextProp( propertyCreator.createPropertyChain( nodeRecord,
propertiesIterator( properties ), recordAccess.getPropertyRecords() ) );
if ( labels.length > 0 )
{
setNodeLabels( nodeRecord, labels );
}
flushStrategy.flush();
return nodeId;
}
private Iterator<PropertyBlock> propertiesIterator( Map<String, Object> properties )
{
if ( properties == null || properties.isEmpty() )
{
return Iterators.emptyIterator();
}
return new IteratorWrapper<PropertyBlock, Map.Entry<String,Object>>( properties.entrySet().iterator() )
{
@Override
protected PropertyBlock underlyingObjectToObject( Entry<String, Object> property )
{
return propertyCreator.encodePropertyValue(
getOrCreatePropertyKeyId( property.getKey() ), property.getValue() );
}
};
}
private void setNodeLabels( NodeRecord nodeRecord, Label... labels )
{
NodeLabels nodeLabels = parseLabelsField( nodeRecord );
nodeLabels.put( getOrCreateLabelIds( labels ), nodeStore, nodeStore.getDynamicLabelStore() );
labelsTouched = true;
}
private long[] getOrCreateLabelIds( Label[] labels )
{
long[] ids = new long[labels.length];
int cursor = 0;
for ( int i = 0; i < ids.length; i++ )
{
int labelId = getOrCreateLabelId( labels[i].name() );
if ( !arrayContains( ids, cursor, labelId ) )
{
ids[cursor++] = labelId;
}
}
if ( cursor < ids.length )
{
ids = Arrays.copyOf( ids, cursor );
}
return ids;
}
private boolean arrayContains( long[] ids, int cursor, int labelId )
{
for ( int i = 0; i < cursor; i++ )
{
if ( ids[i] == labelId )
{
return true;
}
}
return false;
}
@Override
public void createNode( long id, Map<String, Object> properties, Label... labels )
{
IdValidator.assertValidId( id, maxNodeId );
if ( nodeStore.isInUse( id ) )
{
throw new IllegalArgumentException( "id=" + id + " already in use" );
}
long highId = nodeStore.getHighId();
if ( highId <= id )
{
nodeStore.setHighestPossibleIdInUse( id );
}
internalCreateNode( id, properties, labels );
}
@Override
public void setNodeLabels( long node, Label... labels )
{
NodeRecord record = getNodeRecord( node ).forChangingData();
setNodeLabels( record, labels );
flushStrategy.flush();
}
@Override
public Iterable<Label> getNodeLabels( final long node )
{
return () -> {
NodeRecord record = getNodeRecord( node ).forReadingData();
long[] labels = parseLabelsField( record ).get( nodeStore );
return map( labelIdToLabelFunction, PrimitiveLongCollections.iterator( labels ) );
};
}
@Override
public boolean nodeHasLabel( long node, Label label )
{
int labelId = tokenIdByName( labelTokens, label.name() );
return labelId != -1 && nodeHasLabel( node, labelId );
}
private boolean nodeHasLabel( long node, int labelId )
{
NodeRecord record = getNodeRecord( node ).forReadingData();
for ( long label : parseLabelsField( record ).get( nodeStore ) )
{
if ( label == labelId )
{
return true;
}
}
return false;
}
@Override
public long createRelationship( long node1, long node2, RelationshipType type,
Map<String, Object> properties )
{
long id = relationshipStore.nextId();
int typeId = getOrCreateRelationshipTypeToken( type );
relationshipCreator.relationshipCreate( id, typeId, node1, node2, recordAccess, noopLockClient );
if ( properties != null && !properties.isEmpty() )
{
RelationshipRecord record = recordAccess.getRelRecords().getOrLoad( id, null ).forChangingData();
record.setNextProp( propertyCreator.createPropertyChain( record,
propertiesIterator( properties ), recordAccess.getPropertyRecords() ) );
}
flushStrategy.flush();
return id;
}
@Override
public void setNodeProperties( long node, Map<String, Object> properties )
{
NodeRecord record = getNodeRecord( node ).forChangingData();
if ( record.getNextProp() != Record.NO_NEXT_PROPERTY.intValue() )
{
propertyDeletor.deletePropertyChain( record, recordAccess.getPropertyRecords() );
}
record.setNextProp( propertyCreator.createPropertyChain( record, propertiesIterator( properties ),
recordAccess.getPropertyRecords() ) );
flushStrategy.flush();
}
@Override
public void setRelationshipProperties( long rel, Map<String, Object> properties )
{
RelationshipRecord record = recordAccess.getRelRecords().getOrLoad( rel, null ).forChangingData();
if ( record.getNextProp() != Record.NO_NEXT_PROPERTY.intValue() )
{
propertyDeletor.deletePropertyChain( record, recordAccess.getPropertyRecords() );
}
record.setNextProp( propertyCreator.createPropertyChain( record, propertiesIterator( properties ),
recordAccess.getPropertyRecords() ) );
flushStrategy.flush();
}
@Override
public boolean nodeExists( long nodeId )
{
flushStrategy.forceFlush();
return nodeStore.isInUse( nodeId );
}
@Override
public Map<String, Object> getNodeProperties( long nodeId )
{
NodeRecord record = getNodeRecord( nodeId ).forReadingData();
if ( record.getNextProp() != Record.NO_NEXT_PROPERTY.intValue() )
{
return getPropertyChain( record.getNextProp() );
}
return Collections.emptyMap();
}
@Override
public Iterable<Long> getRelationshipIds( long nodeId )
{
flushStrategy.forceFlush();
return new BatchRelationshipIterable<Long>( neoStores, nodeId, cursors )
{
@Override
protected Long nextFrom( long relId, int type, long startNode, long endNode )
{
return relId;
}
};
}
@Override
public Iterable<BatchRelationship> getRelationships( long nodeId )
{
flushStrategy.forceFlush();
return new BatchRelationshipIterable<BatchRelationship>( neoStores, nodeId, cursors )
{
@Override
protected BatchRelationship nextFrom( long relId, int type, long startNode, long endNode )
{
return new BatchRelationship( relId, startNode, endNode,
(RelationshipType) relationshipTypeTokens.byId( type ) );
}
};
}
@Override
public BatchRelationship getRelationshipById( long relId )
{
RelationshipRecord record = getRelationshipRecord( relId ).forReadingData();
RelationshipType type = (RelationshipType) relationshipTypeTokens.byId( record.getType() );
return new BatchRelationship( record.getId(), record.getFirstNode(), record.getSecondNode(), type );
}
@Override
public Map<String, Object> getRelationshipProperties( long relId )
{
RelationshipRecord record = recordAccess.getRelRecords().getOrLoad( relId, null ).forChangingData();
if ( record.getNextProp() != Record.NO_NEXT_PROPERTY.intValue() )
{
return getPropertyChain( record.getNextProp() );
}
return Collections.emptyMap();
}
@Override
public void shutdown()
{
if ( isShutdown )
{
throw new IllegalStateException( "Batch inserter already has shutdown" );
}
isShutdown = true;
flushStrategy.forceFlush();
rebuildCounts();
try
{
repopulateAllIndexes();
}
catch ( IOException | IndexEntryConflictException e )
{
throw new RuntimeException( e );
}
finally
{
cursors.close();
neoStores.close();
try
{
storeLocker.close();
}
catch ( IOException e )
{
throw new UnderlyingStorageException( "Could not release store lock", e );
}
msgLog.info( Thread.currentThread() + " Clean shutdown on BatchInserter(" + this + ")", true );
life.shutdown();
}
}
@Override
public String toString()
{
return "EmbeddedBatchInserter[" + storeDir + "]";
}
private Map<String, Object> getPropertyChain( long nextProp )
{
final Map<String, Object> map = new HashMap<>();
propertyTraverser.getPropertyChain( nextProp, recordAccess.getPropertyRecords(), new Listener<PropertyBlock>()
{
@Override
public void receive( PropertyBlock propBlock )
{