org.apache.directory.shared.ldap.util
Class NoDuplicateKeysMap

java.lang.Object
  extended byjava.util.AbstractMap
      extended byjava.util.HashMap
          extended byorg.apache.directory.shared.ldap.util.NoDuplicateKeysMap
All Implemented Interfaces:
java.lang.Cloneable, java.util.Map, java.io.Serializable

public class NoDuplicateKeysMap
extends java.util.HashMap

A Map implementation derived from HashMap that only overrides a single method put() in order to prevent duplicate keyed entries to be added.

Version:
$Rev: 379008 $
Author:
Apache Directory Project
See Also:
Serialized Form

Constructor Summary
NoDuplicateKeysMap()
           
 
Method Summary
 java.lang.Object put(java.lang.Object key, java.lang.Object value)
          Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to prevent duplicate keys.
 
Methods inherited from class java.util.HashMap
clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, putAll, remove, size, values
 
Methods inherited from class java.util.AbstractMap
equals, hashCode, toString
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Map
equals, hashCode
 

Constructor Detail

NoDuplicateKeysMap

public NoDuplicateKeysMap()
Method Detail

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)
                     throws java.lang.IllegalArgumentException
Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to prevent duplicate keys.

Throws:
java.lang.IllegalArgumentException
See Also:
Map.put(java.lang.Object, java.lang.Object)


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