Name | Signature and Synopsis |
---|---|
createConcurrentHashMap | Object createConcurrentHashMap ( ) Create and return instance of ConcurrentHashMap. This function returns a thread safe hash map. |
createHashMapWithId | Object createHashMapWithId ( String mapId ) Create and return instance of ConcurrentHashMap. |
putIfAbsent | Object putIfAbsent ( Object map ,Object key ,Object value ) If the specified key is not already associated with a value, associate it with the given value. The action is performed atomically. |
remove | boolean remove ( Object map ,Object key ,Object value ) Remove entry for key only if currently mapped to given value. The action is performed atomically. |
replace | Object replace ( Object map ,Object key ,Object value ) Replace entry for key only if currently mapped to some value. The action is performed atomically. |
replaceIfEqualToGivenValue | boolean replaceIfEqualToGivenValue ( Object map ,Object key ,Object oldValue, Object newValue ) Replace entry for key only if currently mapped to given value. The action is performed atomically. |