org.datanucleus.store
Class DefaultCandidateExtent

java.lang.Object
  org.datanucleus.store.AbstractExtent
      org.datanucleus.store.DefaultCandidateExtent

All Implemented Interfaces:

Extent

public class DefaultCandidateExtent
extends AbstractExtent

Extent that does a simple JDOQL query for the candidate with/without subclasses.

Field Summary

protected java.util.HashMap<java.util.Iterator,QueryResult>

queryResultsByIterator Map of the iterators of the Extents accessed.

Fields inherited from class org.datanucleus.store.AbstractExtent

candidateClass, cmd, LOCALISER, om, storeMgr, subclasses

Constructor Summary

DefaultCandidateExtent(ObjectManager om, java.lang.Class cls, boolean subclasses, AbstractClassMetaData cmd)
Constructor.

Method Summary

void	close(java.util.Iterator iterator)
void	closeAll()
FetchPlan	getFetchPlan()
ObjectManager	getObjectManager() Accessor for the owning ObjectManager.
boolean	hasSubclasses() Returns whether this Extent was defined to contain subclasses.
java.util.Iterator	iterator()

Methods inherited from class org.datanucleus.store.AbstractExtent

getCandidateClass, toString

Methods inherited from class java.lang.Object

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

Field Detail

queryResultsByIterator

protected java.util.HashMap<java.util.Iterator,QueryResult> queryResultsByIterator

Map of the iterators of the Extents accessed.

Constructor Detail

DefaultCandidateExtent

public DefaultCandidateExtent(ObjectManager om,
                              java.lang.Class cls,
                              boolean subclasses,
                              AbstractClassMetaData cmd)

Constructor.

Parameters:

om - Object Manager

cls - candidate class

subclasses - Whether to include subclasses

cmd - MetaData for the candidate class

Method Detail

iterator

public java.util.Iterator iterator()

hasSubclasses

public boolean hasSubclasses()

Description copied from class: AbstractExtent

Returns whether this Extent was defined to contain subclasses.

Specified by:

hasSubclasses in interface Extent

Overrides:

hasSubclasses in class AbstractExtent

Returns:

true if this Extent was defined to include subclasses.

getObjectManager

public ObjectManager getObjectManager()

Description copied from class: AbstractExtent

Accessor for the owning ObjectManager.

Specified by:

getObjectManager in interface Extent

Overrides:

getObjectManager in class AbstractExtent

Returns:

the owning ObjectManager

getFetchPlan

public FetchPlan getFetchPlan()

closeAll

public void closeAll()

close

public void close(java.util.Iterator iterator)