org.cloudgraph.rdb.graph

Class ParallelSubgraphTask

java.lang.Object

org.cloudgraph.store.lang.AssemblerSupport

org.cloudgraph.rdb.graph.ParallelSubgraphTask

All Implemented Interfaces:

SubgraphTask

public class ParallelSubgraphTask
extends AssemblerSupport
implements SubgraphTask

A concurrent task which processes a portion of a data graph or sub-graph while leveraging shared resources, such as the data graph being assembled and the thread pool, through the shared parent ParallelGraphAssembler.

Since:

0.6.2

Author:

Scott Cinnamond

See Also:

ParallelGraphAssembler, LangStoreGraphAssembler

Field Summary

Fields

Modifier and Type	Field and Description
protected int	level
protected int	sequence
protected org.plasma.sdo.PlasmaDataObject	source
protected org.plasma.sdo.PlasmaProperty	sourceProperty
protected java.util.List<org.plasma.sdo.access.provider.common.PropertyPair>	subrootChildKeyPairs
protected org.plasma.sdo.PlasmaType	subrootType

Fields inherited from class org.cloudgraph.store.lang.AssemblerSupport

collector, statementExecutor, statementFactory

Constructor Summary

Constructors

Constructor and Description

ParallelSubgraphTask(org.plasma.sdo.PlasmaType subrootType, org.plasma.sdo.PlasmaDataObject source, org.plasma.query.collector.SelectionCollector selection, StatementFactory statementFactory, StatementExecutor statementExecutor, org.plasma.sdo.PlasmaProperty sourceProperty, java.util.List<org.plasma.sdo.access.provider.common.PropertyPair> childKeyPairs, int level, int sequence, ParallelGraphAssembler assembler)

Method Summary

Methods

Modifier and Type	Method and Description
void	assemble()
void	join()
protected void	shutdown()
void	start()

Methods inherited from class org.cloudgraph.store.lang.AssemblerSupport

findNextKeyValue, getChildKeyPairs, getChildKeyPairs, getChildKeyProps, getNextKeyPairs, getPredicateResult, getStatementExecutor, getStatementFactory, throwPriKeyError

Methods inherited from class java.lang.Object

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

Field Detail

subrootType

protected org.plasma.sdo.PlasmaType subrootType

source

protected org.plasma.sdo.PlasmaDataObject source

sourceProperty

protected org.plasma.sdo.PlasmaProperty sourceProperty

subrootChildKeyPairs

protected java.util.List<org.plasma.sdo.access.provider.common.PropertyPair> subrootChildKeyPairs

level

protected int level

sequence

protected int sequence

Constructor Detail

ParallelSubgraphTask

public ParallelSubgraphTask(org.plasma.sdo.PlasmaType subrootType,
                    org.plasma.sdo.PlasmaDataObject source,
                    org.plasma.query.collector.SelectionCollector selection,
                    StatementFactory statementFactory,
                    StatementExecutor statementExecutor,
                    org.plasma.sdo.PlasmaProperty sourceProperty,
                    java.util.List<org.plasma.sdo.access.provider.common.PropertyPair> childKeyPairs,
                    int level,
                    int sequence,
                    ParallelGraphAssembler assembler)

Method Detail

start

public void start()

Specified by:

start in interface SubgraphTask

shutdown

protected void shutdown()

join

public void join()

Specified by:

join in interface SubgraphTask

assemble

public void assemble()