org.jibx.util

Class InsertionOrderedMap

java.lang.Object

org.jibx.util.InsertionOrderedMap

All Implemented Interfaces:

java.util.Map

public class InsertionOrderedMap
extends java.lang.Object
implements java.util.Map

Map with keys iterated in insertion order. This is similar to the Java 1.4 java.util.LinkedHashMap class, but compatible with earlier JVM versions. It also guarantees insertion ordering only for iterating through the key values, not for other iterations. This implementation is optimized for insert-only maps.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	InsertionOrderedMap.ListSet Set implementation backed by a list.
protected class	InsertionOrderedMap.ValueCollection
protected class	InsertionOrderedMap.ValueIterator

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map	m_baseMap
private java.util.ArrayList	m_insertList

Constructor Summary

Constructors

Constructor and Description
InsertionOrderedMap()

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object key)
boolean	isEmpty()
java.util.ArrayList	keyList() Get list of keys in order added.
java.util.Set	keySet()
java.lang.Object	put(java.lang.Object key, java.lang.Object value)
void	putAll(java.util.Map t)
java.lang.Object	remove(java.lang.Object key)
int	size()
java.util.Collection	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

Field Detail

m_baseMap

private final java.util.Map m_baseMap

m_insertList

private final java.util.ArrayList m_insertList

Constructor Detail

InsertionOrderedMap

public InsertionOrderedMap()

Method Detail

clear

public void clear()

Specified by:

clear in interface java.util.Map

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

get

public java.lang.Object get(java.lang.Object key)

Specified by:

get in interface java.util.Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map

keySet

public java.util.Set keySet()

Specified by:

keySet in interface java.util.Map

put

public java.lang.Object put(java.lang.Object key,
                   java.lang.Object value)

Specified by:

put in interface java.util.Map

putAll

public void putAll(java.util.Map t)

Specified by:

putAll in interface java.util.Map

remove

public java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map

size

public int size()

Specified by:

size in interface java.util.Map

values

public java.util.Collection values()

Specified by:

values in interface java.util.Map

keyList

public java.util.ArrayList keyList()

Get list of keys in order added. The returned list is live, and will grow or shrink as pairs are added to or removed from the map.

Returns:

key list