org.apache.openjpa.kernel
Class DistinctResultList<E>

java.lang.Object
  extended by org.apache.openjpa.kernel.DistinctResultList<E>
Type Parameters:
E - element type
All Implemented Interfaces:
java.io.Serializable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.List<E>

public class DistinctResultList<E>
extends java.lang.Object
implements java.util.List<E>, java.io.Serializable

An immutable list that imposes uniqueness on its member. This implementation traverses the entire result list on construction. So it is not suitable or efficient for large results. All mutation operations (except clear()) throw UnsupportedOperationException.

Since:
2.0.0
Author:
Pinaki Poddar
See Also:
Serialized Form

Constructor Summary
DistinctResultList(ResultList<E> list, RuntimeExceptionTranslator trans)
           
 
Method Summary
 boolean add(E o)
           
 void add(int index, E element)
           
 boolean addAll(java.util.Collection<? extends E> c)
           
 boolean addAll(int index, java.util.Collection<? extends E> c)
           
 void clear()
           
 boolean contains(java.lang.Object o)
           
 boolean containsAll(java.util.Collection<?> c)
           
 E get(int index)
           
 int indexOf(java.lang.Object o)
           
 boolean isEmpty()
           
 java.util.Iterator<E> iterator()
           
 int lastIndexOf(java.lang.Object o)
           
 java.util.ListIterator<E> listIterator()
           
 java.util.ListIterator<E> listIterator(int index)
           
 E remove(int index)
           
 boolean remove(java.lang.Object o)
           
 boolean removeAll(java.util.Collection<?> c)
           
 boolean retainAll(java.util.Collection<?> c)
           
 E set(int index, E element)
           
 int size()
           
 java.util.List<E> subList(int fromIndex, int toIndex)
           
 java.lang.Object[] toArray()
           
<T> T[]
toArray(T[] a)
           
protected  java.lang.RuntimeException translate(java.lang.RuntimeException re)
           
 java.lang.Object writeReplace()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.util.List
equals, hashCode
 

Constructor Detail

DistinctResultList

public DistinctResultList(ResultList<E> list,
                          RuntimeExceptionTranslator trans)
Method Detail

add

public boolean add(E o)
Specified by:
add in interface java.util.Collection<E>
Specified by:
add in interface java.util.List<E>

add

public void add(int index,
                E element)
Specified by:
add in interface java.util.List<E>

addAll

public boolean addAll(java.util.Collection<? extends E> c)
Specified by:
addAll in interface java.util.Collection<E>
Specified by:
addAll in interface java.util.List<E>

addAll

public boolean addAll(int index,
                      java.util.Collection<? extends E> c)
Specified by:
addAll in interface java.util.List<E>

clear

public void clear()
Specified by:
clear in interface java.util.Collection<E>
Specified by:
clear in interface java.util.List<E>

contains

public boolean contains(java.lang.Object o)
Specified by:
contains in interface java.util.Collection<E>
Specified by:
contains in interface java.util.List<E>

containsAll

public boolean containsAll(java.util.Collection<?> c)
Specified by:
containsAll in interface java.util.Collection<E>
Specified by:
containsAll in interface java.util.List<E>

get

public E get(int index)
Specified by:
get in interface java.util.List<E>

indexOf

public int indexOf(java.lang.Object o)
Specified by:
indexOf in interface java.util.List<E>

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface java.util.Collection<E>
Specified by:
isEmpty in interface java.util.List<E>

iterator

public java.util.Iterator<E> iterator()
Specified by:
iterator in interface java.lang.Iterable<E>
Specified by:
iterator in interface java.util.Collection<E>
Specified by:
iterator in interface java.util.List<E>

lastIndexOf

public int lastIndexOf(java.lang.Object o)
Specified by:
lastIndexOf in interface java.util.List<E>

listIterator

public java.util.ListIterator<E> listIterator()
Specified by:
listIterator in interface java.util.List<E>

listIterator

public java.util.ListIterator<E> listIterator(int index)
Specified by:
listIterator in interface java.util.List<E>

remove

public boolean remove(java.lang.Object o)
Specified by:
remove in interface java.util.Collection<E>
Specified by:
remove in interface java.util.List<E>

remove

public E remove(int index)
Specified by:
remove in interface java.util.List<E>

removeAll

public boolean removeAll(java.util.Collection<?> c)
Specified by:
removeAll in interface java.util.Collection<E>
Specified by:
removeAll in interface java.util.List<E>

retainAll

public boolean retainAll(java.util.Collection<?> c)
Specified by:
retainAll in interface java.util.Collection<E>
Specified by:
retainAll in interface java.util.List<E>

set

public E set(int index,
             E element)
Specified by:
set in interface java.util.List<E>

size

public int size()
Specified by:
size in interface java.util.Collection<E>
Specified by:
size in interface java.util.List<E>

subList

public java.util.List<E> subList(int fromIndex,
                                 int toIndex)
Specified by:
subList in interface java.util.List<E>

toArray

public java.lang.Object[] toArray()
Specified by:
toArray in interface java.util.Collection<E>
Specified by:
toArray in interface java.util.List<E>

toArray

public <T> T[] toArray(T[] a)
Specified by:
toArray in interface java.util.Collection<E>
Specified by:
toArray in interface java.util.List<E>

translate

protected java.lang.RuntimeException translate(java.lang.RuntimeException re)

writeReplace

public java.lang.Object writeReplace()
                              throws java.io.ObjectStreamException
Throws:
java.io.ObjectStreamException