| Package | Description | 
|---|---|
| groovyx.gpars.extra166y | 
 Collections supporting parallel operations. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
V | 
CustomConcurrentHashMap.computeIfAbsent(K key,
               CustomConcurrentHashMap.MappingFunction<? super K,? extends V> mappingFunction)
If the specified key is not already associated with a value,
 computes its value using the given mappingFunction, and if
 non-null, enters it into the map. 
 |