| Package | Description | 
|---|---|
| com.hazelcast.mapreduce.impl.task | This package contains the base implementation for a standard map reduce job. | 
| com.hazelcast.util.executor | This package contains classes related to Util.Executor  | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | TrackableJobFuture<V>This is the node based implementation of the job's reactive  ICompletableFutureand is returned to the users codebase. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CompletableFutureTask<V> | 
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