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

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap
          org.apache.directory.shared.ldap.util.NoDuplicateKeysMap

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map

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: 437007 $

Author:

Apache Directory Project

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

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.

Specified by:

put in interface java.util.Map

Overrides:

put in class java.util.HashMap

Throws:

java.lang.IllegalArgumentException

See Also:

Map.put(java.lang.Object, java.lang.Object)