org.apache.openjpa.lib.util
Class OrderedMap<K,V>

java.lang.Object
  extended by org.apache.openjpa.lib.util.OrderedMap<K,V>
All Implemented Interfaces:
Serializable, Map<K,V>

public class OrderedMap<K,V>
extends Object
implements Map<K,V>, Serializable

A Map with predictable iteration order.

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

Nested Class Summary
 
Nested classes/interfaces inherited from interface java.util.Map
Map.Entry<K,V>
 
Constructor Summary
OrderedMap()
          Construct with predictable insertion order.
OrderedMap(boolean lru)
          Construct with predictable iteration order.
 
Method Summary
 void clear()
           
 boolean containsKey(Object key)
           
 boolean containsValue(Object value)
           
 Set<Map.Entry<K,V>> entrySet()
           
 V get(Object key)
           
 int indexOf(Object key)
           
 boolean isEmpty()
           
 Set<K> keySet()
           
 V put(K key, V value)
           
 void putAll(Map<? extends K,? extends V> m)
           
 V remove(Object key)
           
 int size()
           
 Collection<V> values()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.util.Map
equals, hashCode
 

Constructor Detail

OrderedMap

public OrderedMap()
Construct with predictable insertion order.


OrderedMap

public OrderedMap(boolean lru)
Construct with predictable iteration order.

Parameters:
lru - if true the iterator order is based on last access, false for order of insertion.
Method Detail

indexOf

public int indexOf(Object key)

clear

public void clear()
Specified by:
clear in interface Map<K,V>

containsKey

public boolean containsKey(Object key)
Specified by:
containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)
Specified by:
containsValue in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()
Specified by:
entrySet in interface Map<K,V>

get

public V get(Object key)
Specified by:
get in interface Map<K,V>

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface Map<K,V>

keySet

public Set<K> keySet()
Specified by:
keySet in interface Map<K,V>

put

public V put(K key,
             V value)
Specified by:
put in interface Map<K,V>

putAll

public void putAll(Map<? extends K,? extends V> m)
Specified by:
putAll in interface Map<K,V>

remove

public V remove(Object key)
Specified by:
remove in interface Map<K,V>

size

public int size()
Specified by:
size in interface Map<K,V>

values

public Collection<V> values()
Specified by:
values in interface Map<K,V>


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