## Uses of Interface
com.hazelcast.mapreduce.Collator

- Packages that use Collator
  Package | Description
  --- | ---
  com.hazelcast.mapreduce | This package contains the MapReduce API definition for Hazelcast. All map reduce operations running in a distributed manner inside the active Hazelcast cluster.
  com.hazelcast.mapreduce.aggregation | This package contains the aggregation API and the convenience helper classes to retrieve predefined aggregation implementations.

- - ### Uses of Collator in com.hazelcast.mapreduce

    Methods in com.hazelcast.mapreduce with parameters of type Collator
    Modifier and Type | Method and Description
    --- | ---
    `<ValueOut> JobCompletableFuture<ValueOut>` | ReducingJob.`submit(Collator<Map.Entry<KeyIn,List<ValueIn>>,ValueOut> collator)` Deprecated. Submits the task to Hazelcast and executes the defined mapper and reducer on all cluster nodes and executes the collator before returning the final result.
    `<ValueOut> JobCompletableFuture<ValueOut>` | MappingJob.`submit(Collator<Map.Entry<KeyIn,List<ValueIn>>,ValueOut> collator)` Deprecated. Submits the task to Hazelcast, executes the defined mapper and reducer on all cluster nodes, and executes the collator before returning the final result.
    `<ValueOut> JobCompletableFuture<ValueOut>` | ReducingSubmittableJob.`submit(Collator<Map.Entry<KeyIn,ValueIn>,ValueOut> collator)` Deprecated. Submits the task to Hazelcast and executes the defined mapper and reducer on all cluster nodes and executes the collator before returning the final result.

  - ### Uses of Collator in com.hazelcast.mapreduce.aggregation

    Methods in com.hazelcast.mapreduce.aggregation that return Collator
    Modifier and Type | Method and Description
    --- | ---
    `Collator<Map.Entry,Result>` | Aggregation.`getCollator()` Deprecated. Returns the Collator implementation used in this aggregation.

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