org.neo4j.cypher.internal.spi.gdsimpl
Class RepeatableReadQueryContext

java.lang.Object
  org.neo4j.cypher.internal.spi.gdsimpl.RepeatableReadQueryContext

All Implemented Interfaces:

QueryContext

public class RepeatableReadQueryContext
extends Object
implements QueryContext

This QueryContext is responsible for taking read locks for all operations that read from the database.

The close() method will then release all locks.

Nested Class Summary

static interface

RepeatableReadQueryContext.Locker

Nested classes/interfaces inherited from interface org.neo4j.cypher.internal.spi.QueryContext

QueryContext.Operations<T extends PropertyContainer>

Constructor Summary

RepeatableReadQueryContext(QueryContext inner, RepeatableReadQueryContext.Locker locker)

Method Summary

void	close() Release all resources held by this context.
Node	createNode()
Relationship	createRelationship(Node start, Node end, String relType)
Iterable<Relationship>	getRelationshipsFor(Node node, Direction dir, String... types)
QueryContext.Operations<Node>	nodeOps()
QueryContext.Operations<Relationship>	relationshipOps()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RepeatableReadQueryContext

public RepeatableReadQueryContext(QueryContext inner,
                                  RepeatableReadQueryContext.Locker locker)

Method Detail

nodeOps

public QueryContext.Operations<Node> nodeOps()

Specified by:

nodeOps in interface QueryContext

relationshipOps

public QueryContext.Operations<Relationship> relationshipOps()

Specified by:

relationshipOps in interface QueryContext

createNode

public Node createNode()

Specified by:

createNode in interface QueryContext

createRelationship

public Relationship createRelationship(Node start,
                                       Node end,
                                       String relType)

Specified by:

createRelationship in interface QueryContext

getRelationshipsFor

public Iterable<Relationship> getRelationshipsFor(Node node,
                                                  Direction dir,
                                                  String... types)

Specified by:

getRelationshipsFor in interface QueryContext

close

public void close()

Description copied from interface: QueryContext

Release all resources held by this context.

Specified by:

close in interface QueryContext