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:
- Serializable, Cloneable, Map
public class NoDuplicateKeysMap
- extends 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: 434411 $
- Author:
- Apache Directory Project
- See Also:
- Serialized Form
Method Summary |
Object |
put(Object key,
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 |
NoDuplicateKeysMap
public NoDuplicateKeysMap()
put
public Object put(Object key,
Object value)
throws IllegalArgumentException
- Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to
prevent duplicate keys.
- Specified by:
put
in interface Map
- Overrides:
put
in class HashMap
- Throws:
IllegalArgumentException
- See Also:
Map.put(java.lang.Object, java.lang.Object)
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