org.apache.directory.api.util

Class NoDuplicateKeysMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap

org.apache.directory.api.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.

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>

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 static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
NoDuplicateKeysMap()

Method Summary

Modifier and Type	Method and Description
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, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, 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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

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)