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

    java.lang.Object
      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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