org.apache.openjpa.persistence

Interface Extent<T>

All Superinterfaces:

Iterable<T>

All Known Implementing Classes:

ExtentImpl

public interface Extent<T>
extends Iterable<T>

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

Since:

0.4.0

Author:

Abe White

Method Summary

Modifier and Type	Method and Description
void	closeAll() Close all open iterators that are consuming database resources.
Extent	getDelegate() Deprecated. cast to ExtentImpl instead. This method pierces the published-API boundary, as does the SPI cast.
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.
boolean	hasSubclasses() Whether the extent includes subclasses.
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 interface java.lang.Iterable

forEach, iterator, spliterator

Method Detail

getElementClass

Class<T> getElementClass()

The extent's element type.

hasSubclasses

boolean hasSubclasses()

Whether the extent includes subclasses.

getEntityManager

OpenJPAEntityManager getEntityManager()

The owning entity manager.

getFetchPlan

FetchPlan getFetchPlan()

Fetch configuration for controlling how iterated objects are loaded.

getIgnoreChanges

boolean getIgnoreChanges()

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

setIgnoreChanges

void setIgnoreChanges(boolean ignoreChanges)

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

list

List<T> list()

List the extent contents.

closeAll

void closeAll()

Close all open iterators that are consuming database resources.

getDelegate

@Deprecated
Extent getDelegate()

Deprecated. cast to ExtentImpl instead. This method pierces the published-API boundary, as does the SPI cast.