java.lang.Object
- org.apache.openjpa.kernel.DelegatingExtent<T>

All Implemented Interfaces:

Extent<T>
```
public class DelegatingExtent<T>
extends Object
implements Extent<T>
```
Delegating extent that also can perform exception translation for use in facades.

Since:

0.4.0

Author:

Abe White

Constructor Summary

Constructors
Constructor	Description
`DelegatingExtent(Extent<T> extent)`	Constructor; supply delegate.
`DelegatingExtent(Extent<T> extent, RuntimeExceptionTranslator trans)`	Constructor; supply delegate and exception translator.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`closeAll()`	Close all open iterators.
`boolean`	`equals(Object other)`
`Broker`	`getBroker()`	The broker that generated the extent.
`Extent<T>`	`getDelegate()`	Return the direct delegate.
`Class<T>`	`getElementType()`	The class of extent elements.
`FetchConfiguration`	`getFetchConfiguration()`	Return the (mutable) fetch configuration for this extent.
`boolean`	`getIgnoreChanges()`	Whether this extent will ignore changes made in the current transaction.
`Extent<T>`	`getInnermostDelegate()`	Return the native delegate.
`int`	`hashCode()`
`boolean`	`hasSubclasses()`	Whether the extent includes subclasses.
`Iterator<T>`	`iterator()`	Return an iterator over the extent members.
`List<T>`	`list()`	Returns a list of all objects represented by this extent.
`void`	`lock()`	Synchronizes on an internal lock.
`void`	`setIgnoreChanges(boolean ignoreCache)`	Whether this extent will ignore changes made in the current transaction.
`protected RuntimeException`	`translate(RuntimeException re)`	Translate the OpenJPA exception.
`void`	`unlock()`	Release the internal lock.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DelegatingExtent
```
public DelegatingExtent(Extent<T> extent)
```
    Constructor; supply delegate.
  - DelegatingExtent
```
public DelegatingExtent(Extent<T> extent,
                        RuntimeExceptionTranslator trans)
```
    Constructor; supply delegate and exception translator.
- Method Detail
  - getDelegate
```
public Extent<T> getDelegate()
```
    Return the direct delegate.
  - getInnermostDelegate
```
public Extent<T> getInnermostDelegate()
```
    Return the native delegate.
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object other)
```
    Overrides:
    
    equals in class Object
  - translate
```
protected RuntimeException translate(RuntimeException re)
```
    Translate the OpenJPA exception.
  - getElementType
```
public Class<T> getElementType()
```
    Description copied from interface: Extent
    
    The class of extent elements.
    
    Specified by:
    
    getElementType 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>
  - getBroker
```
public Broker getBroker()
```
    Description copied from interface: Extent
    
    The broker that generated the extent.
    
    Specified by:
    
    getBroker in interface Extent<T>
  - getFetchConfiguration
```
public FetchConfiguration getFetchConfiguration()
```
    Description copied from interface: Extent
    
    Return the (mutable) fetch configuration for this extent.
    
    Specified by:
    
    getFetchConfiguration in interface Extent<T>
  - getIgnoreChanges
```
public boolean getIgnoreChanges()
```
    Description copied from interface: Extent
    
    Whether this extent will ignore changes made in the current transaction.
    
    Specified by:
    
    getIgnoreChanges in interface Extent<T>
  - setIgnoreChanges
```
public void setIgnoreChanges(boolean ignoreCache)
```
    Description copied from interface: Extent
    
    Whether this extent will ignore changes made in the current transaction.
    
    Specified by:
    
    setIgnoreChanges in interface Extent<T>
  - list
```
public List<T> list()
```
    Description copied from interface: Extent
    
    Returns a list of all objects represented by this extent. This method creates a List by traversing the entire iterator returned by a call to Extent.iterator(). This means that Collection.size() will work correctly, but if the extent represents a large data set, this method may be quite slow and may consume quite a bit of memory.
    
    Specified by:
    
    list in interface Extent<T>
  - iterator
```
public Iterator<T> iterator()
```
    Description copied from interface: Extent
    
    Return an iterator over the extent members.
    
    Specified by:
    
    iterator in interface Extent<T>
  - closeAll
```
public void closeAll()
```
    Description copied from interface: Extent
    
    Close all open iterators.
    
    Specified by:
    
    closeAll in interface Extent<T>
  - lock
```
public void lock()
```
    Description copied from interface: Extent
    
    Synchronizes on an internal lock.
    
    Specified by:
    
    lock in interface Extent<T>
  - unlock
```
public void unlock()
```
    Description copied from interface: Extent
    
    Release the internal lock.
    
    Specified by:
    
    unlock in interface Extent<T>

Class DelegatingExtent<T>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DelegatingExtent

DelegatingExtent

Method Detail

getDelegate

getInnermostDelegate

hashCode

equals

translate

getElementType

hasSubclasses

getBroker

getFetchConfiguration

getIgnoreChanges

setIgnoreChanges

list

iterator

closeAll

lock

unlock