org.apache.openjpa.persistence
Class ExtentImpl<T>

java.lang.Object
  org.apache.openjpa.persistence.ExtentImpl<T>

All Implemented Interfaces:

Iterable<T>, Extent<T>

public class ExtentImpl<T>
extends Object
implements Extent<T>

An extent is a logical view of all instances of a class.

Since:

0.4.1

Author:

Abe White

Constructor Summary

ExtentImpl(EntityManagerImpl em, Extent extent)
Constructor; supply delegate.

Method Summary

void	closeAll() Close all open iterators that are consuming database resources.
boolean	equals(Object other)
Extent	getDelegate() Delegate.
Class<T>	getElementClass() The extent's element type.
OpenJPAEntityManager	getEntityManager() The owning entity manager.
FetchPlan	getFetchPlan() Fetch configuration for controlling how iterated objects are loaded.
boolean	getIgnoreChanges() Whether the extent sees inserts and deletes in the current transaction.
int	hashCode()
boolean	hasSubclasses() Whether the extent includes subclasses.
Iterator<T>	iterator()
List<T>	list() List the extent contents.
void	setIgnoreChanges(boolean ignoreChanges) Whether the extent sees inserts and deletes in the current transaction.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtentImpl

public ExtentImpl(EntityManagerImpl em,
                  Extent extent)

Constructor; supply delegate.

Method Detail

getDelegate

public Extent getDelegate()

Delegate.

Specified by:

getDelegate in interface Extent<T>

getElementClass

public Class<T> getElementClass()

Description copied from interface: Extent

The extent's element type.

Specified by:

getElementClass in interface Extent<T>

hasSubclasses

public boolean hasSubclasses()

Description copied from interface: Extent

Whether the extent includes subclasses.

Specified by:

hasSubclasses in interface Extent<T>

getEntityManager

public OpenJPAEntityManager getEntityManager()

Description copied from interface: Extent

The owning entity manager.

Specified by:

getEntityManager in interface Extent<T>

getFetchPlan

public FetchPlan getFetchPlan()

Description copied from interface: Extent

Fetch configuration for controlling how iterated objects are loaded.

Specified by:

getFetchPlan in interface Extent<T>

getIgnoreChanges

public boolean getIgnoreChanges()

Description copied from interface: Extent

Whether the extent sees inserts and deletes in the current transaction.

Specified by:

getIgnoreChanges in interface Extent<T>

setIgnoreChanges

public void setIgnoreChanges(boolean ignoreChanges)

Description copied from interface: Extent

Whether the extent sees inserts and deletes in the current transaction.

Specified by:

setIgnoreChanges in interface Extent<T>

list

public List<T> list()

Description copied from interface: Extent

List the extent contents.

Specified by:

list in interface Extent<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

closeAll

public void closeAll()

Description copied from interface: Extent

Close all open iterators that are consuming database resources.

Specified by:

closeAll in interface Extent<T>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object