org.opensaml.xml.util
Class LazyMap<KeyType,ValueType>

java.lang.Object
  extended by org.opensaml.xml.util.LazyMap<KeyType,ValueType>
Type Parameters:
KeyType - the type of the map keys
ValueType - the type of the map values
All Implemented Interfaces:
Serializable, Map<KeyType,ValueType>

@NotThreadSafe
public class LazyMap<KeyType,ValueType>
extends Object
implements Map<KeyType,ValueType>, Serializable

A map that is lazy initialized. This map takes very little memory when storing zero or one item.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface java.util.Map
Map.Entry<K,V>
 
Constructor Summary
LazyMap()
           
 
Method Summary
protected  Map<KeyType,ValueType> buildMap()
          Builds an appropriate delegate map.
 void clear()
          
 boolean containsKey(Object key)
          
 boolean containsValue(Object value)
          
 Set<Map.Entry<KeyType,ValueType>> entrySet()
          
 ValueType get(Object key)
          
 boolean isEmpty()
          
 Set<KeyType> keySet()
          
 ValueType put(KeyType key, ValueType value)
          
 void putAll(Map<? extends KeyType,? extends ValueType> map)
          
 ValueType remove(Object key)
          
 int size()
          
 Collection<ValueType> 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

LazyMap

public LazyMap()
Method Detail

clear

public void clear()

Specified by:
clear in interface Map<KeyType,ValueType>

containsKey

public boolean containsKey(Object key)

Specified by:
containsKey in interface Map<KeyType,ValueType>

containsValue

public boolean containsValue(Object value)

Specified by:
containsValue in interface Map<KeyType,ValueType>

entrySet

public Set<Map.Entry<KeyType,ValueType>> entrySet()

Specified by:
entrySet in interface Map<KeyType,ValueType>

get

public ValueType get(Object key)

Specified by:
get in interface Map<KeyType,ValueType>

isEmpty

public boolean isEmpty()

Specified by:
isEmpty in interface Map<KeyType,ValueType>

keySet

public Set<KeyType> keySet()

Specified by:
keySet in interface Map<KeyType,ValueType>

put

public ValueType put(KeyType key,
                     ValueType value)

Specified by:
put in interface Map<KeyType,ValueType>

putAll

public void putAll(Map<? extends KeyType,? extends ValueType> map)

Specified by:
putAll in interface Map<KeyType,ValueType>

remove

public ValueType remove(Object key)

Specified by:
remove in interface Map<KeyType,ValueType>

size

public int size()

Specified by:
size in interface Map<KeyType,ValueType>

values

public Collection<ValueType> values()

Specified by:
values in interface Map<KeyType,ValueType>

buildMap

protected Map<KeyType,ValueType> buildMap()
Builds an appropriate delegate map.

Returns:
the delegate map


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