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GuardingStatementOperations.java
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GuardingStatementOperations.java
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/*
* Copyright (c) 2002-2016 "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.kernel.impl.api;
import org.neo4j.collection.primitive.PrimitiveIntIterator;
import org.neo4j.collection.primitive.PrimitiveLongIterator;
import org.neo4j.cursor.Cursor;
import org.neo4j.kernel.api.exceptions.EntityNotFoundException;
import org.neo4j.kernel.api.exceptions.index.IndexNotFoundKernelException;
import org.neo4j.kernel.api.exceptions.schema.ConstraintValidationKernelException;
import org.neo4j.kernel.api.exceptions.schema.IndexBrokenKernelException;
import org.neo4j.kernel.api.index.IndexDescriptor;
import org.neo4j.kernel.api.properties.DefinedProperty;
import org.neo4j.kernel.api.properties.Property;
import org.neo4j.kernel.guard.Guard;
import org.neo4j.kernel.impl.api.operations.EntityReadOperations;
import org.neo4j.kernel.impl.api.operations.EntityWriteOperations;
import org.neo4j.storageengine.api.NodeItem;
import org.neo4j.storageengine.api.RelationshipItem;
public class GuardingStatementOperations implements
EntityWriteOperations,
EntityReadOperations
{
private final EntityWriteOperations entityWriteDelegate;
private final EntityReadOperations entityReadDelegate;
private final Guard guard;
public GuardingStatementOperations(
EntityWriteOperations entityWriteDelegate,
EntityReadOperations entityReadDelegate,
Guard guard )
{
this.entityWriteDelegate = entityWriteDelegate;
this.entityReadDelegate = entityReadDelegate;
this.guard = guard;
}
@Override
public long relationshipCreate( KernelStatement statement,
int relationshipTypeId,
long startNodeId,
long endNodeId )
throws EntityNotFoundException
{
guard.check();
return entityWriteDelegate.relationshipCreate( statement, relationshipTypeId, startNodeId, endNodeId );
}
@Override
public long nodeCreate( KernelStatement statement )
{
guard.check();
return entityWriteDelegate.nodeCreate( statement );
}
@Override
public void nodeDelete( KernelStatement state, long nodeId ) throws EntityNotFoundException
{
guard.check();
entityWriteDelegate.nodeDelete( state, nodeId );
}
@Override
public void relationshipDelete( KernelStatement state, long relationshipId ) throws EntityNotFoundException
{
guard.check();
entityWriteDelegate.relationshipDelete( state, relationshipId );
}
@Override
public boolean nodeAddLabel( KernelStatement state, long nodeId, int labelId )
throws ConstraintValidationKernelException, EntityNotFoundException
{
guard.check();
return entityWriteDelegate.nodeAddLabel( state, nodeId, labelId );
}
@Override
public boolean nodeRemoveLabel( KernelStatement state, long nodeId, int labelId ) throws EntityNotFoundException
{
guard.check();
return entityWriteDelegate.nodeRemoveLabel( state, nodeId, labelId );
}
@Override
public Property nodeSetProperty( KernelStatement state, long nodeId, DefinedProperty property )
throws ConstraintValidationKernelException, EntityNotFoundException
{
guard.check();
return entityWriteDelegate.nodeSetProperty( state, nodeId, property );
}
@Override
public Property relationshipSetProperty( KernelStatement state,
long relationshipId,
DefinedProperty property ) throws EntityNotFoundException
{
guard.check();
return entityWriteDelegate.relationshipSetProperty( state, relationshipId, property );
}
@Override
public Property graphSetProperty( KernelStatement state, DefinedProperty property )
{
guard.check();
return entityWriteDelegate.graphSetProperty( state, property );
}
@Override
public Property nodeRemoveProperty( KernelStatement state, long nodeId, int propertyKeyId )
throws EntityNotFoundException
{
guard.check();
return entityWriteDelegate.nodeRemoveProperty( state, nodeId, propertyKeyId );
}
@Override
public Property relationshipRemoveProperty( KernelStatement state,
long relationshipId,
int propertyKeyId ) throws EntityNotFoundException
{
guard.check();
return entityWriteDelegate.relationshipRemoveProperty( state, relationshipId, propertyKeyId );
}
@Override
public Property graphRemoveProperty( KernelStatement state, int propertyKeyId )
{
guard.check();
return entityWriteDelegate.graphRemoveProperty( state, propertyKeyId );
}
@Override
public PrimitiveLongIterator nodesGetForLabel( KernelStatement state, int labelId )
{
guard.check();
return entityReadDelegate.nodesGetForLabel( state, labelId );
}
@Override
public PrimitiveLongIterator nodesGetFromIndexSeek( KernelStatement state, IndexDescriptor index, Object value )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodesGetFromIndexSeek( state, index, value );
}
@Override
public PrimitiveLongIterator nodesGetFromIndexRangeSeekByNumber( KernelStatement state,
IndexDescriptor index,
Number lower, boolean includeLower,
Number upper, boolean includeUpper )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodesGetFromIndexRangeSeekByNumber( state, index, lower, includeLower, upper,
includeUpper );
}
@Override
public PrimitiveLongIterator nodesGetFromIndexRangeSeekByString( KernelStatement state,
IndexDescriptor index,
String lower, boolean includeLower,
String upper, boolean includeUpper )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodesGetFromIndexRangeSeekByString( state, index, lower, includeLower, upper,
includeUpper );
}
@Override
public PrimitiveLongIterator nodesGetFromIndexRangeSeekByPrefix( KernelStatement state, IndexDescriptor index,
String prefix ) throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodesGetFromIndexRangeSeekByPrefix( state, index, prefix );
}
@Override
public PrimitiveLongIterator nodesGetFromIndexScan( KernelStatement state, IndexDescriptor index )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodesGetFromIndexScan( state, index );
}
@Override
public long nodeGetFromUniqueIndexSeek( KernelStatement state, IndexDescriptor index, Object value )
throws IndexNotFoundKernelException, IndexBrokenKernelException
{
guard.check();
return entityReadDelegate.nodeGetFromUniqueIndexSeek( state, index, value );
}
@Override
public int nodesCountIndexed( KernelStatement statement, IndexDescriptor index, long nodeId, Object value )
throws IndexNotFoundKernelException, IndexBrokenKernelException
{
guard.check();
return entityReadDelegate.nodesCountIndexed( statement, index, nodeId, value );
}
@Override
public boolean graphHasProperty( KernelStatement state, int propertyKeyId )
{
guard.check();
return entityReadDelegate.graphHasProperty( state, propertyKeyId );
}
@Override
public Object graphGetProperty( KernelStatement state, int propertyKeyId )
{
guard.check();
return entityReadDelegate.graphGetProperty( state, propertyKeyId );
}
@Override
public PrimitiveIntIterator graphGetPropertyKeys( KernelStatement state )
{
guard.check();
return entityReadDelegate.graphGetPropertyKeys( state );
}
@Override
public PrimitiveLongIterator nodesGetAll( KernelStatement state )
{
guard.check();
return entityReadDelegate.nodesGetAll( state );
}
@Override
public PrimitiveLongIterator relationshipsGetAll( KernelStatement state )
{
guard.check();
return entityReadDelegate.relationshipsGetAll( state );
}
@Override
public <EXCEPTION extends Exception> void relationshipVisit( KernelStatement statement, long relId,
RelationshipVisitor<EXCEPTION> visitor )
throws EntityNotFoundException, EXCEPTION
{
guard.check();
entityReadDelegate.relationshipVisit( statement, relId, visitor );
}
@Override
public Cursor<NodeItem> nodeCursorById( KernelStatement statement, long nodeId ) throws EntityNotFoundException
{
guard.check();
return entityReadDelegate.nodeCursorById( statement, nodeId );
}
@Override
public Cursor<NodeItem> nodeCursor( KernelStatement statement, long nodeId )
{
guard.check();
return entityReadDelegate.nodeCursor( statement, nodeId );
}
@Override
public Cursor<RelationshipItem> relationshipCursorById( KernelStatement statement, long relId )
throws EntityNotFoundException
{
guard.check();
return entityReadDelegate.relationshipCursorById( statement, relId );
}
@Override
public Cursor<RelationshipItem> relationshipCursor( KernelStatement statement, long relId )
{
guard.check();
return entityReadDelegate.relationshipCursor( statement, relId );
}
@Override
public Cursor<NodeItem> nodeCursorGetAll( KernelStatement statement )
{
guard.check();
return entityReadDelegate.nodeCursorGetAll( statement );
}
@Override
public Cursor<RelationshipItem> relationshipCursorGetAll( KernelStatement statement )
{
guard.check();
return entityReadDelegate.relationshipCursorGetAll( statement );
}
@Override
public Cursor<NodeItem> nodeCursorGetForLabel( KernelStatement statement, int labelId )
{
guard.check();
return entityReadDelegate.nodeCursorGetForLabel( statement, labelId );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexSeek( KernelStatement statement, IndexDescriptor index, Object value )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexSeek( statement, index, value );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexScan( KernelStatement statement, IndexDescriptor index )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexScan( statement, index );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexRangeSeekByNumber( KernelStatement statement,
IndexDescriptor index,
Number lower, boolean includeLower,
Number upper, boolean includeUpper )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexRangeSeekByNumber( statement, index, lower, includeLower, upper,
includeUpper );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexRangeSeekByString( KernelStatement statement,
IndexDescriptor index,
String lower, boolean includeLower,
String upper, boolean includeUpper )
throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexRangeSeekByString( statement, index, lower, includeLower, upper,
includeUpper );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexSeekByPrefix( KernelStatement statement,
IndexDescriptor index,
String prefix ) throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexSeekByPrefix( statement, index, prefix );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromIndexRangeSeekByPrefix( KernelStatement statement,
IndexDescriptor index,
String prefix ) throws IndexNotFoundKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromIndexRangeSeekByPrefix( statement, index, prefix );
}
@Override
public Cursor<NodeItem> nodeCursorGetFromUniqueIndexSeek( KernelStatement statement,
IndexDescriptor index,
Object value ) throws IndexNotFoundKernelException, IndexBrokenKernelException
{
guard.check();
return entityReadDelegate.nodeCursorGetFromUniqueIndexSeek( statement, index, value );
}
@Override
public long nodesGetCount( KernelStatement statement )
{
guard.check();
return entityReadDelegate.nodesGetCount( statement );
}
@Override
public long relationshipsGetCount( KernelStatement statement )
{
guard.check();
return entityReadDelegate.relationshipsGetCount( statement );
}
}