Package org.apache.openjpa.kernel

Class DelegatingResultList<T>

java.lang.Object

org.apache.openjpa.kernel.DelegatingResultList<T>

All Implemented Interfaces:

Serializable, Iterable<T>, Collection<T>, List<T>, ResultList<T>, Closeable

public class DelegatingResultList<T>
extends Object
implements ResultList<T>

Delegating result list that can also perform exception translation for use in facades.

Since:

0.4.0

Author:

Marc Prud'hommeaux

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	DelegatingResultList.DelegatingListIterator<T>	Delegating iterator that also performs exception translation.

Constructor Summary

Constructors

Constructor	Description
DelegatingResultList(ResultList<T> list)	Constructor; supply delegate.
DelegatingResultList(ResultList<T> list, RuntimeExceptionTranslator trans)	Constructor; supply delegate and exception translator.

Method Summary

Modifier and Type	Method	Description
void	add(int index, T element)
boolean	add(T o)
boolean	addAll(int index, Collection<? extends T> c)
boolean	addAll(Collection<? extends T> c)
void	clear()
void	close()	Close the list.
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	equals(Object other)
T	get(int index)
ResultList<T>	getDelegate()	Return the direct delegate.
ResultList<T>	getInnermostDelegate()	Return the native delegate.
Object	getUserObject()	Get the opaque user object attached to this receiver.
int	hashCode()
int	indexOf(Object o)
boolean	isClosed()	Returns true if the list has been closed.
boolean	isEmpty()
boolean	isProviderOpen()	Returns true if the provider backing this list is open.
Iterator<T>	iterator()
int	lastIndexOf(Object o)
ListIterator<T>	listIterator()
ListIterator<T>	listIterator(int index)
T	remove(int index)
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
T	set(int index, T element)
void	setUserObject(Object opaque)	Set the opaque user object to this receiver.
int	size()
List<T>	subList(int fromIndex, int toIndex)
Object[]	toArray()
Object[]	toArray(Object[] a)
String	toString()
protected RuntimeException	translate(RuntimeException re)	Translate the OpenJPA exception.
Object	writeReplace()	Writes delegate, which may in turn write a normal list.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

replaceAll, sort, spliterator

Constructor Details

DelegatingResultList

public DelegatingResultList(ResultList<T> list)

Constructor; supply delegate.

DelegatingResultList

public DelegatingResultList(ResultList<T> list,
 RuntimeExceptionTranslator trans)

Constructor; supply delegate and exception translator.

Method Details

getDelegate

public ResultList<T> getDelegate()

Return the direct delegate.

getInnermostDelegate

public ResultList<T> getInnermostDelegate()

Return the native delegate.

writeReplace

public Object writeReplace()
                    throws ObjectStreamException

Writes delegate, which may in turn write a normal list.

Throws:

ObjectStreamException

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<T>

Specified by:

hashCode in interface List<T>

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Specified by:

equals in interface Collection<T>

Specified by:

equals in interface List<T>

Overrides:

equals in class Object

translate

protected RuntimeException translate(RuntimeException re)

Translate the OpenJPA exception.

isProviderOpen

public boolean isProviderOpen()

Description copied from interface: ResultList

Returns true if the provider backing this list is open.

Specified by:

isProviderOpen in interface ResultList<T>

getUserObject

public Object getUserObject()

Description copied from interface: ResultList

Get the opaque user object attached to this receiver.

Specified by:

getUserObject in interface ResultList<T>

setUserObject

public void setUserObject(Object opaque)

Description copied from interface: ResultList

Set the opaque user object to this receiver.

Specified by:

setUserObject in interface ResultList<T>

close

public void close()

Description copied from interface: ResultList

Close the list.

Specified by:

close in interface Closeable

Specified by:

close in interface ResultList<T>

isClosed

public boolean isClosed()

Description copied from interface: ResultList

Returns true if the list has been closed.

Specified by:

isClosed in interface ResultList<T>

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface List<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface List<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface List<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface List<T>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface List<T>

toArray

public Object[] toArray(Object[] a)

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface List<T>

add

public boolean add(T o)

Specified by:

add in interface Collection<T>

Specified by:

add in interface List<T>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface List<T>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface List<T>

addAll

public boolean addAll(Collection<? extends T> c)

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface List<T>

addAll

public boolean addAll(int index,
 Collection<? extends T> c)

Specified by:

addAll in interface List<T>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface List<T>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface List<T>

clear

public void clear()

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface List<T>

get

public T get(int index)

Specified by:

get in interface List<T>

set

public T set(int index,
 T element)

Specified by:

set in interface List<T>

add

public void add(int index,
 T element)

Specified by:

add in interface List<T>

remove

public T remove(int index)

Specified by:

remove in interface List<T>

indexOf

public int indexOf(Object o)

Specified by:

indexOf in interface List<T>

lastIndexOf

public int lastIndexOf(Object o)

Specified by:

lastIndexOf in interface List<T>

listIterator

public ListIterator<T> listIterator()

Specified by:

listIterator in interface List<T>

listIterator

public ListIterator<T> listIterator(int index)

Specified by:

listIterator in interface List<T>

subList

public List<T> subList(int fromIndex,
 int toIndex)

Specified by:

subList in interface List<T>

toString

public String toString()

Overrides:

toString in class Object