com.vividsolutions.jump.util

Class OrderedMap

java.lang.Object

com.vividsolutions.jump.util.OrderedMap

All Implemented Interfaces:

Map

public class OrderedMap
extends Object
implements Map

A Map that preserves the order of its keys.

Nested Class Summary

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

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
OrderedMap() Creates an OrderedMap.
OrderedMap(List keyList, Map map) Creates an OrderedMap backed by the given map.
OrderedMap(Map map)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
boolean	equals(Object o)
Object	get(Object key)
boolean	isEmpty()
List	keyList() Returns the keys, in order.
Set	keySet()
Object	put(Object key, Object value)
void	putAll(Map t)
Object	remove(Object key)
int	size()
List	valueList() Returns the values.
Collection	values() Returns the values.

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Map

hashCode

Constructor Detail

OrderedMap

public OrderedMap(List keyList,
          Map map)

Creates an OrderedMap backed by the given map.

Parameters:

map - a Map that will be this OrderedMap's underlying Map

OrderedMap

public OrderedMap()

Creates an OrderedMap.

OrderedMap

public OrderedMap(Map map)

Method Detail

size

public int size()

Specified by:

size in interface Map

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

get

public Object get(Object key)

Specified by:

get in interface Map

put

public Object put(Object key,
         Object value)

Specified by:

put in interface Map

remove

public Object remove(Object key)

Specified by:

remove in interface Map

putAll

public void putAll(Map t)

Specified by:

putAll in interface Map

clear

public void clear()

Specified by:

clear in interface Map

keySet

public Set keySet()

Specified by:

keySet in interface Map

keyList

public List keyList()

Returns the keys, in order.

Returns:

the keys in the order they were (first) added

valueList

public List valueList()

Returns the values.

Returns:

the values in the same order as the keys

See Also:

keyList()

values

public Collection values()

Returns the values.

Specified by:

values in interface Map

Returns:

the values in the same order as the keys

See Also:

keyList()

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

equals

public boolean equals(Object o)

Specified by:

equals in interface Map

Overrides:

equals in class Object