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AllStoreHolder.java
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AllStoreHolder.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.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.kernel.impl.newapi;
import java.nio.ByteBuffer;
import java.util.Iterator;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import org.neo4j.collection.RawIterator;
import org.neo4j.helpers.collection.Iterators;
import org.neo4j.internal.kernel.api.IndexReference;
import org.neo4j.internal.kernel.api.InternalIndexState;
import org.neo4j.internal.kernel.api.exceptions.KernelException;
import org.neo4j.internal.kernel.api.exceptions.ProcedureException;
import org.neo4j.internal.kernel.api.exceptions.explicitindex.ExplicitIndexNotFoundKernelException;
import org.neo4j.internal.kernel.api.exceptions.schema.ConstraintValidationException;
import org.neo4j.internal.kernel.api.procs.ProcedureHandle;
import org.neo4j.internal.kernel.api.procs.ProcedureSignature;
import org.neo4j.internal.kernel.api.procs.QualifiedName;
import org.neo4j.internal.kernel.api.procs.UserAggregator;
import org.neo4j.internal.kernel.api.procs.UserFunctionHandle;
import org.neo4j.internal.kernel.api.schema.SchemaDescriptor;
import org.neo4j.internal.kernel.api.schema.SchemaUtil;
import org.neo4j.internal.kernel.api.schema.constraints.ConstraintDescriptor;
import org.neo4j.internal.kernel.api.security.AccessMode;
import org.neo4j.internal.kernel.api.security.SecurityContext;
import org.neo4j.io.pagecache.PageCursor;
import org.neo4j.kernel.api.ExplicitIndex;
import org.neo4j.kernel.api.KernelTransaction;
import org.neo4j.kernel.api.Statement;
import org.neo4j.kernel.api.exceptions.index.IndexNotFoundKernelException;
import org.neo4j.kernel.api.exceptions.schema.CreateConstraintFailureException;
import org.neo4j.kernel.api.exceptions.schema.SchemaRuleNotFoundException;
import org.neo4j.kernel.api.index.IndexProvider;
import org.neo4j.kernel.api.proc.BasicContext;
import org.neo4j.kernel.api.proc.Context;
import org.neo4j.kernel.api.schema.LabelSchemaDescriptor;
import org.neo4j.kernel.api.schema.SchemaDescriptorFactory;
import org.neo4j.kernel.api.schema.index.CapableIndexDescriptor;
import org.neo4j.kernel.api.schema.index.IndexDescriptor;
import org.neo4j.kernel.api.schema.index.IndexDescriptorFactory;
import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
import org.neo4j.kernel.api.txstate.TransactionCountingStateVisitor;
import org.neo4j.kernel.api.txstate.TransactionState;
import org.neo4j.kernel.impl.api.ClockContext;
import org.neo4j.kernel.impl.api.CountsRecordState;
import org.neo4j.kernel.impl.api.KernelTransactionImplementation;
import org.neo4j.kernel.impl.api.SchemaState;
import org.neo4j.kernel.impl.api.security.OverriddenAccessMode;
import org.neo4j.kernel.impl.api.security.RestrictedAccessMode;
import org.neo4j.kernel.impl.index.ExplicitIndexStore;
import org.neo4j.kernel.impl.index.IndexEntityType;
import org.neo4j.kernel.impl.locking.ResourceTypes;
import org.neo4j.kernel.impl.proc.Procedures;
import org.neo4j.kernel.impl.store.PropertyStore;
import org.neo4j.kernel.impl.store.record.PropertyRecord;
import org.neo4j.kernel.impl.store.record.RecordLoad;
import org.neo4j.kernel.impl.store.record.RelationshipGroupRecord;
import org.neo4j.kernel.impl.store.record.RelationshipRecord;
import org.neo4j.register.Register;
import org.neo4j.storageengine.api.StorageReader;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.LabelScanReader;
import org.neo4j.storageengine.api.schema.PopulationProgress;
import org.neo4j.storageengine.api.schema.SchemaRule;
import org.neo4j.storageengine.api.txstate.ReadableDiffSets;
import org.neo4j.string.UTF8;
import org.neo4j.values.AnyValue;
import org.neo4j.values.ValueMapper;
import org.neo4j.values.storable.ArrayValue;
import org.neo4j.values.storable.TextValue;
import org.neo4j.values.storable.Value;
import org.neo4j.values.storable.Values;
import static java.lang.String.format;
import static org.neo4j.helpers.collection.Iterators.filter;
import static org.neo4j.helpers.collection.Iterators.iterator;
import static org.neo4j.helpers.collection.Iterators.singleOrNull;
import static org.neo4j.register.Registers.newDoubleLongRegister;
import static org.neo4j.storageengine.api.txstate.TxStateVisitor.EMPTY;
public class AllStoreHolder extends Read
{
private final StorageReader.Groups groups;
private final StorageReader.Properties properties;
private final StorageReader.Relationships relationships;
private final StorageReader storageReader;
private final ExplicitIndexStore explicitIndexStore;
private final Procedures procedures;
private final SchemaState schemaState;
public AllStoreHolder(
StorageReader storageReader,
KernelTransactionImplementation ktx,
DefaultCursors cursors,
ExplicitIndexStore explicitIndexStore,
Procedures procedures,
SchemaState schemaState )
{
super( cursors, ktx );
this.storageReader = storageReader;
this.relationships = storageReader.relationships();
this.groups = storageReader.groups();
this.properties = storageReader.properties();
this.explicitIndexStore = explicitIndexStore;
this.procedures = procedures;
this.schemaState = schemaState;
}
@Override
public boolean nodeExists( long reference )
{
ktx.assertOpen();
if ( hasTxStateWithChanges() )
{
TransactionState txState = txState();
if ( txState.nodeIsDeletedInThisTx( reference ) )
{
return false;
}
else if ( txState.nodeIsAddedInThisTx( reference ) )
{
return true;
}
}
return storageReader.nodeExists( reference );
}
@Override
public boolean nodeDeletedInTransaction( long node )
{
ktx.assertOpen();
return hasTxStateWithChanges() && txState().nodeIsDeletedInThisTx( node );
}
@Override
public boolean relationshipDeletedInTransaction( long relationship )
{
ktx.assertOpen();
return hasTxStateWithChanges() && txState().relationshipIsDeletedInThisTx( relationship );
}
@Override
public long countsForNode( int labelId )
{
long count = countsForNodeWithoutTxState( labelId );
if ( ktx.hasTxStateWithChanges() )
{
CountsRecordState counts = new CountsRecordState();
try
{
TransactionState txState = ktx.txState();
txState.accept( new TransactionCountingStateVisitor( EMPTY, storageReader,
txState, counts ) );
if ( counts.hasChanges() )
{
count += counts.nodeCount( labelId, newDoubleLongRegister() ).readSecond();
}
}
catch ( ConstraintValidationException | CreateConstraintFailureException e )
{
throw new IllegalArgumentException( "Unexpected error: " + e.getMessage() );
}
}
return count;
}
@Override
public long countsForNodeWithoutTxState( int labelId )
{
return storageReader.countsForNode( labelId );
}
@Override
public long countsForRelationship( int startLabelId, int typeId, int endLabelId )
{
long count = countsForRelationshipWithoutTxState( startLabelId, typeId, endLabelId );
if ( ktx.hasTxStateWithChanges() )
{
CountsRecordState counts = new CountsRecordState();
try
{
TransactionState txState = ktx.txState();
txState.accept( new TransactionCountingStateVisitor( EMPTY, storageReader,
txState, counts ) );
if ( counts.hasChanges() )
{
count += counts.relationshipCount( startLabelId, typeId, endLabelId, newDoubleLongRegister() )
.readSecond();
}
}
catch ( ConstraintValidationException | CreateConstraintFailureException e )
{
throw new IllegalArgumentException( "Unexpected error: " + e.getMessage() );
}
}
return count;
}
@Override
public long countsForRelationshipWithoutTxState( int startLabelId, int typeId, int endLabelId )
{
return storageReader.countsForRelationship( startLabelId, typeId, endLabelId );
}
@Override
public boolean relationshipExists( long reference )
{
ktx.assertOpen();
if ( hasTxStateWithChanges() )
{
TransactionState txState = txState();
if ( txState.relationshipIsDeletedInThisTx( reference ) )
{
return false;
}
else if ( txState.relationshipIsAddedInThisTx( reference ) )
{
return true;
}
}
return storageReader.relationshipExists( reference );
}
@Override
long graphPropertiesReference()
{
return storageReader.getGraphPropertyReference();
}
@Override
IndexReader indexReader( IndexReference index, boolean fresh ) throws IndexNotFoundKernelException
{
return fresh ? storageReader.getFreshIndexReader( (IndexDescriptor) index ) :
storageReader.getIndexReader( (IndexDescriptor) index );
}
@Override
LabelScanReader labelScanReader()
{
return storageReader.getLabelScanReader();
}
@Override
ExplicitIndex explicitNodeIndex( String indexName ) throws ExplicitIndexNotFoundKernelException
{
ktx.assertOpen();
return explicitIndexTxState().nodeChanges( indexName );
}
@Override
ExplicitIndex explicitRelationshipIndex( String indexName ) throws ExplicitIndexNotFoundKernelException
{
ktx.assertOpen();
return explicitIndexTxState().relationshipChanges( indexName );
}
@Override
public String[] nodeExplicitIndexesGetAll()
{
ktx.assertOpen();
return explicitIndexStore.getAllNodeIndexNames();
}
@Override
public boolean nodeExplicitIndexExists( String indexName, Map<String,String> customConfiguration )
{
ktx.assertOpen();
return explicitIndexTxState().checkIndexExistence( IndexEntityType.Node, indexName, customConfiguration );
}
@Override
public Map<String,String> nodeExplicitIndexGetConfiguration( String indexName )
throws ExplicitIndexNotFoundKernelException
{
ktx.assertOpen();
return explicitIndexStore.getNodeIndexConfiguration( indexName );
}
@Override
public String[] relationshipExplicitIndexesGetAll()
{
ktx.assertOpen();
return explicitIndexStore.getAllRelationshipIndexNames();
}
@Override
public boolean relationshipExplicitIndexExists( String indexName, Map<String,String> customConfiguration )
{
ktx.assertOpen();
return explicitIndexTxState().checkIndexExistence( IndexEntityType.Relationship, indexName, customConfiguration );
}
@Override
public Map<String,String> relationshipExplicitIndexGetConfiguration( String indexName )
throws ExplicitIndexNotFoundKernelException
{
ktx.assertOpen();
return explicitIndexStore.getRelationshipIndexConfiguration( indexName );
}
@Override
public IndexReference index( int label, int... properties )
{
ktx.assertOpen();
LabelSchemaDescriptor descriptor;
try
{
descriptor = SchemaDescriptorFactory.forLabel( label, properties );
}
catch ( IllegalArgumentException ignore )
{
// This means we have invalid label or property ids.
return IndexReference.NO_INDEX;
}
CapableIndexDescriptor indexDescriptor = storageReader.indexGetForSchema( descriptor );
if ( ktx.hasTxStateWithChanges() )
{
ReadableDiffSets<IndexDescriptor> diffSets = ktx.txState().indexDiffSetsByLabel( label );
if ( indexDescriptor != null )
{
if ( diffSets.isRemoved( indexDescriptor ) )
{
return IndexReference.NO_INDEX;
}
else
{
return indexDescriptor;
}
}
else
{
Iterator<IndexDescriptor> fromTxState =
filter( SchemaDescriptor.equalTo( descriptor ), diffSets.getAdded().iterator() );
if ( fromTxState.hasNext() )
{
return fromTxState.next();
}
else
{
return IndexReference.NO_INDEX;
}
}
}
return indexDescriptor != null ? indexDescriptor : IndexReference.NO_INDEX;
}
@Override
public IndexReference indexReferenceUnchecked( int label, int... properties )
{
return IndexDescriptorFactory.forSchema( SchemaDescriptorFactory.forLabel( label, properties ),
Optional.empty(),
IndexProvider.UNDECIDED );
}
@Override
public Iterator<IndexReference> indexesGetForLabel( int labelId )
{
sharedOptimisticLock( ResourceTypes.LABEL, labelId );
ktx.assertOpen();
Iterator<? extends IndexDescriptor> iterator = storageReader.indexesGetForLabel( labelId );
if ( ktx.hasTxStateWithChanges() )
{
iterator = ktx.txState().indexDiffSetsByLabel( labelId ).apply( iterator );
}
return (Iterator)iterator;
}
@Override
public Iterator<IndexReference> indexesGetAll()
{
ktx.assertOpen();
Iterator<? extends IndexDescriptor> iterator = storageReader.indexesGetAll();
if ( ktx.hasTxStateWithChanges() )
{
iterator = ktx.txState().indexChanges().apply( storageReader.indexesGetAll() );
}
return Iterators.map( indexDescriptor ->
{
sharedOptimisticLock( ResourceTypes.LABEL, indexDescriptor.schema().keyId() );
return indexDescriptor;
}, iterator );
}
@Override
public InternalIndexState indexGetState( IndexReference index ) throws IndexNotFoundKernelException
{
assertValidIndex( index );
sharedOptimisticLock( ResourceTypes.LABEL, index.label() );
ktx.assertOpen();
return indexGetState( (IndexDescriptor) index );
}
@Override
public PopulationProgress indexGetPopulationProgress( IndexReference index )
throws IndexNotFoundKernelException
{
sharedOptimisticLock( ResourceTypes.LABEL, index.label() );
ktx.assertOpen();
IndexDescriptor descriptor = (IndexDescriptor) index;
if ( ktx.hasTxStateWithChanges() )
{
if ( checkIndexState( descriptor,
ktx.txState().indexDiffSetsByLabel( index.label() ) ) )
{
return PopulationProgress.NONE;
}
}
return storageReader.indexGetPopulationProgress( descriptor.schema() );
}
@Override
public Long indexGetOwningUniquenessConstraintId( IndexReference index )
{
sharedOptimisticLock( ResourceTypes.LABEL, index.label() );
ktx.assertOpen();
if ( index instanceof StoreIndexDescriptor )
{
return ((StoreIndexDescriptor) index).getOwningConstraint();
}
else
{
return null;
}
}
@Override
public long indexGetCommittedId( IndexReference index ) throws SchemaRuleNotFoundException
{
sharedOptimisticLock( ResourceTypes.LABEL, index.label() );
ktx.assertOpen();
if ( index instanceof StoreIndexDescriptor )
{
return ((StoreIndexDescriptor) index).getId();
}
else
{
throw new SchemaRuleNotFoundException( SchemaRule.Kind.INDEX_RULE, ((IndexDescriptor)index).schema() );
}
}
@Override
public String indexGetFailure( IndexReference index ) throws IndexNotFoundKernelException
{
return storageReader.indexGetFailure( SchemaDescriptorFactory.forLabel( index.label(), index.properties() ) );
}
@Override
public double indexUniqueValuesSelectivity( IndexReference index ) throws IndexNotFoundKernelException
{
acquireSharedLabelLock( index.label() );
ktx.assertOpen();
return storageReader
.indexUniqueValuesPercentage( SchemaDescriptorFactory.forLabel( index.label(), index.properties() ) );
}
@Override
public long indexSize( IndexReference index ) throws IndexNotFoundKernelException
{
acquireSharedLabelLock( index.label() );
ktx.assertOpen();
return storageReader.indexSize( SchemaDescriptorFactory.forLabel( index.label(), index.properties() ) );
}
@Override
public long nodesCountIndexed( IndexReference index, long nodeId, Value value ) throws KernelException
{
ktx.assertOpen();
IndexReader reader = storageReader.getIndexReader( (IndexDescriptor) index );
return reader.countIndexedNodes( nodeId, value );
}
@Override
public long nodesGetCount( )
{
ktx.assertOpen();
long base = storageReader.nodesGetCount();
return ktx.hasTxStateWithChanges() ? base + ktx.txState().addedAndRemovedNodes().delta() : base;
}
@Override
public long relationshipsGetCount( )
{
ktx.assertOpen();
long base = storageReader.relationshipsGetCount();
return ktx.hasTxStateWithChanges() ? base + ktx.txState().addedAndRemovedRelationships().delta() : base;
}
@Override
public Register.DoubleLongRegister indexUpdatesAndSize( IndexReference index, Register.DoubleLongRegister target )
throws IndexNotFoundKernelException
{
ktx.assertOpen();
return storageReader.indexUpdatesAndSize(
SchemaDescriptorFactory.forLabel( index.label(), index.properties() ), target );
}
@Override
public Register.DoubleLongRegister indexSample( IndexReference index, Register.DoubleLongRegister target )
throws IndexNotFoundKernelException
{
ktx.assertOpen();
return storageReader.indexSample(
SchemaDescriptorFactory.forLabel( index.label(), index.properties() ), target );
}
IndexReference indexGetCapability( IndexDescriptor schemaIndexDescriptor )
{
try
{
return storageReader.indexReference( schemaIndexDescriptor );
}
catch ( IndexNotFoundKernelException e )
{
throw new IllegalStateException( "Could not find capability for index " + schemaIndexDescriptor, e );
}
}
InternalIndexState indexGetState( IndexDescriptor descriptor ) throws IndexNotFoundKernelException
{
// If index is in our state, then return populating
if ( ktx.hasTxStateWithChanges() )
{
if ( checkIndexState( descriptor,
ktx.txState().indexDiffSetsByLabel( descriptor.schema().keyId() ) ) )
{
return InternalIndexState.POPULATING;
}
}
return storageReader.indexGetState( descriptor );
}
Long indexGetOwningUniquenessConstraintId( IndexDescriptor index )
{
return storageReader.indexGetOwningUniquenessConstraintId( index );
}
IndexDescriptor indexGetForSchema( SchemaDescriptor descriptor )
{
IndexDescriptor indexDescriptor = storageReader.indexGetForSchema( descriptor );
Iterator<IndexDescriptor> indexes = iterator( indexDescriptor );
if ( ktx.hasTxStateWithChanges() )
{
indexes = filter(
SchemaDescriptor.equalTo( descriptor ),
ktx.txState().indexDiffSetsByLabel( descriptor.keyId() ).apply( indexes ) );
}
return singleOrNull( indexes );
}
private boolean checkIndexState( IndexDescriptor index, ReadableDiffSets<IndexDescriptor> diffSet )
throws IndexNotFoundKernelException
{
if ( diffSet.isAdded( index ) )
{
return true;
}
if ( diffSet.isRemoved( index ) )
{
throw new IndexNotFoundKernelException( format( "Index on %s has been dropped in this transaction.",
index.userDescription( SchemaUtil.idTokenNameLookup ) ) );
}
return false;
}
@Override
public Iterator<ConstraintDescriptor> constraintsGetForSchema( SchemaDescriptor descriptor )
{
sharedOptimisticLock( descriptor.keyType(), descriptor.keyId() );
ktx.assertOpen();
Iterator<ConstraintDescriptor> constraints = storageReader.constraintsGetForSchema( descriptor );
if ( ktx.hasTxStateWithChanges() )
{
return ktx.txState().constraintsChangesForSchema( descriptor ).apply( constraints );
}
return constraints;
}
@Override
public boolean constraintExists( ConstraintDescriptor descriptor )
{
SchemaDescriptor schema = descriptor.schema();
sharedOptimisticLock( schema.keyType(), schema.keyId() );
ktx.assertOpen();
boolean inStore = storageReader.constraintExists( descriptor );
if ( ktx.hasTxStateWithChanges() )
{
ReadableDiffSets<ConstraintDescriptor> diffSet =
ktx.txState().constraintsChangesForSchema( descriptor.schema() );
return diffSet.isAdded( descriptor ) || (inStore && !diffSet.isRemoved( descriptor ));
}
return inStore;
}
@Override
public Iterator<ConstraintDescriptor> constraintsGetForLabel( int labelId )
{
sharedOptimisticLock( ResourceTypes.LABEL, labelId );
ktx.assertOpen();
Iterator<ConstraintDescriptor> constraints = storageReader.constraintsGetForLabel( labelId );
if ( ktx.hasTxStateWithChanges() )
{
return ktx.txState().constraintsChangesForLabel( labelId ).apply( constraints );
}
return constraints;
}
@Override
public Iterator<ConstraintDescriptor> constraintsGetAll()
{
ktx.assertOpen();
Iterator<ConstraintDescriptor> constraints = storageReader.constraintsGetAll();
if ( ktx.hasTxStateWithChanges() )
{
constraints = ktx.txState().constraintsChanges().apply( constraints );
}
return Iterators.map( constraintDescriptor ->
{
SchemaDescriptor schema = constraintDescriptor.schema();
ktx.statementLocks().pessimistic().acquireShared( ktx.lockTracer(), schema.keyType(), schema.keyId() );
return constraintDescriptor;
}, constraints );
}
@Override
public Iterator<ConstraintDescriptor> constraintsGetForRelationshipType( int typeId )
{
sharedOptimisticLock( ResourceTypes.RELATIONSHIP_TYPE, typeId );
ktx.assertOpen();
Iterator<ConstraintDescriptor> constraints = storageReader.constraintsGetForRelationshipType( typeId );
if ( ktx.hasTxStateWithChanges() )
{
return ktx.txState().constraintsChangesForRelationshipType( typeId ).apply( constraints );
}
return constraints;
}
@Override
PageCursor relationshipPage( long reference )
{
return relationships.openPageCursorForReading( reference );
}
@Override
PageCursor groupPage( long reference )
{
return groups.openPageCursorForReading( reference );
}
@Override
PageCursor propertyPage( long reference )
{
return properties.openPageCursorForReading( reference );
}
@Override
PageCursor stringPage( long reference )
{
return properties.openStringPageCursor( reference );
}
@Override
PageCursor arrayPage( long reference )
{
return properties.openArrayPageCursor( reference );
}
@Override
void relationship( RelationshipRecord record, long reference, PageCursor pageCursor )
{
// When scanning, we inspect RelationshipRecord.inUse(), so using RecordLoad.CHECK is fine
relationships.getRecordByCursor( reference, record, RecordLoad.CHECK, pageCursor );
}
@Override
void relationshipAdvance( RelationshipRecord record, PageCursor pageCursor )
{
// When scanning, we inspect RelationshipRecord.inUse(), so using RecordLoad.CHECK is fine
relationships.nextRecordByCursor( record, RecordLoad.CHECK, pageCursor );
}
@Override
void relationshipFull( RelationshipRecord record, long reference, PageCursor pageCursor )
{
// We need to load forcefully for relationship chain traversal since otherwise we cannot
// traverse over relationship records which have been concurrently deleted
// (flagged as inUse = false).
// see
// org.neo4j.kernel.impl.store.RelationshipChainPointerChasingTest
// org.neo4j.kernel.impl.locking.RelationshipCreateDeleteIT
relationships.getRecordByCursor( reference, record, RecordLoad.FORCE, pageCursor );
}
@Override
void property( PropertyRecord record, long reference, PageCursor pageCursor )
{
// We need to load forcefully here since otherwise we can have inconsistent reads
// for properties across blocks, see org.neo4j.graphdb.ConsistentPropertyReadsIT
properties.getRecordByCursor( reference, record, RecordLoad.FORCE, pageCursor );
}
@Override
void group( RelationshipGroupRecord record, long reference, PageCursor page )
{
// We need to load forcefully here since otherwise we cannot traverse over groups
// records which have been concurrently deleted (flagged as inUse = false).
// @see #org.neo4j.kernel.impl.store.RelationshipChainPointerChasingTest
groups.getRecordByCursor( reference, record, RecordLoad.FORCE, page );
}
@Override
long relationshipHighMark()
{
return relationships.getHighestPossibleIdInUse();
}
@Override
TextValue string( StorePropertyCursor cursor, long reference, PageCursor page )
{
ByteBuffer buffer = cursor.buffer = properties.loadString( reference, cursor.buffer, page );
buffer.flip();
return Values.stringValue( UTF8.decode( buffer.array(), 0, buffer.limit() ) );
}
@Override
ArrayValue array( StorePropertyCursor cursor, long reference, PageCursor page )
{
ByteBuffer buffer = cursor.buffer = properties.loadArray( reference, cursor.buffer, page );
buffer.flip();
return PropertyStore.readArrayFromBuffer( buffer );
}
boolean nodeExistsInStore( long id )
{
return storageReader.nodeExists( id );
}
void getOrCreateNodeIndexConfig( String indexName, Map<String,String> customConfig )
{
explicitIndexStore.getOrCreateNodeIndexConfig( indexName, customConfig );
}
void getOrCreateRelationshipIndexConfig( String indexName, Map<String,String> customConfig )
{
explicitIndexStore.getOrCreateRelationshipIndexConfig( indexName, customConfig );
}
String indexGetFailure( IndexDescriptor descriptor ) throws IndexNotFoundKernelException
{
return storageReader.indexGetFailure( descriptor.schema() );
}
@Override
public UserFunctionHandle functionGet( QualifiedName name )
{
ktx.assertOpen();
return procedures.function( name );
}
@Override
public ProcedureHandle procedureGet( QualifiedName name ) throws ProcedureException
{
ktx.assertOpen();
return procedures.procedure( name );
}
@Override
public Set<ProcedureSignature> proceduresGetAll( ) throws ProcedureException
{
ktx.assertOpen();
return procedures.getAllProcedures();
}
@Override
public UserFunctionHandle aggregationFunctionGet( QualifiedName name )
{
ktx.assertOpen();
return procedures.aggregationFunction( name );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallRead( int id, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsReads() )
{
throw accessMode.onViolation( format( "Read operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( id, arguments, new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static
.READ ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallReadOverride( int id, Object[] arguments )
throws ProcedureException
{
return callProcedure( id, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallWrite( int id, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsWrites() )
{
throw accessMode.onViolation( format( "Write operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( id, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.TOKEN_WRITE ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallWriteOverride( int id, Object[] arguments )
throws ProcedureException
{
return callProcedure( id, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.TOKEN_WRITE ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallSchema( int id, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsSchemaWrites() )
{
throw accessMode.onViolation( format( "Schema operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( id, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.FULL ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallSchemaOverride( int id, Object[] arguments )
throws ProcedureException
{
return callProcedure( id, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.FULL ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallRead( QualifiedName name, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsReads() )
{
throw accessMode.onViolation( format( "Read operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( name, arguments, new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static
.READ ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallReadOverride( QualifiedName name, Object[] arguments )
throws ProcedureException
{
return callProcedure( name, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallWrite( QualifiedName name, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsWrites() )
{
throw accessMode.onViolation( format( "Write operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( name, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.TOKEN_WRITE ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallWriteOverride( QualifiedName name, Object[] arguments )
throws ProcedureException
{
return callProcedure( name, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.TOKEN_WRITE ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallSchema( QualifiedName name, Object[] arguments )
throws ProcedureException
{
AccessMode accessMode = ktx.securityContext().mode();
if ( !accessMode.allowsSchemaWrites() )
{
throw accessMode.onViolation( format( "Schema operations are not allowed for %s.",
ktx.securityContext().description() ) );
}
return callProcedure( name, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.FULL ) );
}
@Override
public RawIterator<Object[],ProcedureException> procedureCallSchemaOverride( QualifiedName name,
Object[] arguments )
throws ProcedureException
{
return callProcedure( name, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.FULL ) );
}
@Override
public AnyValue functionCall( int id, AnyValue[] arguments ) throws ProcedureException
{
if ( !ktx.securityContext().mode().allowsReads() )
{
throw ktx.securityContext().mode().onViolation(
format( "Read operations are not allowed for %s.", ktx.securityContext().description() ) );
}
return callFunction( id, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public AnyValue functionCall( QualifiedName name, AnyValue[] arguments ) throws ProcedureException
{
if ( !ktx.securityContext().mode().allowsReads() )
{
throw ktx.securityContext().mode().onViolation(
format( "Read operations are not allowed for %s.", ktx.securityContext().description() ) );
}
return callFunction( name, arguments,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public AnyValue functionCallOverride( int id, AnyValue[] arguments ) throws ProcedureException
{
return callFunction( id, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public AnyValue functionCallOverride( QualifiedName name, AnyValue[] arguments ) throws ProcedureException
{
return callFunction( name, arguments,
new OverriddenAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public UserAggregator aggregationFunction( int id ) throws ProcedureException
{
if ( !ktx.securityContext().mode().allowsReads() )
{
throw ktx.securityContext().mode().onViolation(
format( "Read operations are not allowed for %s.", ktx.securityContext().description() ) );
}
return aggregationFunction( id,
new RestrictedAccessMode( ktx.securityContext().mode(), AccessMode.Static.READ ) );
}
@Override
public UserAggregator aggregationFunction( QualifiedName name ) throws ProcedureException
{