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

- Packages that use MappingJob
  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.

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

    Methods in com.hazelcast.mapreduce that return MappingJob
    Modifier and Type | Method and Description
    --- | ---
    `MappingJob<EntryKey,KeyIn,ValueIn>` | MappingJob.`chunkSize(int chunkSize)` Deprecated. Defines the number of elements per chunk.
    `MappingJob<EntryKey,KeyIn,ValueIn>` | MappingJob.`keyPredicate(KeyPredicate<? super EntryKey> predicate)` Deprecated. Defines the `KeyPredicate` implementation to preselect keys that the MapReduce task will be executed on.
    `<KeyOut,ValueOut> MappingJob<KeyIn,KeyOut,ValueOut>` | Job.`mapper(Mapper<KeyIn,ValueIn,KeyOut,ValueOut> mapper)` Deprecated. Defines the mapper for this task.
    `MappingJob<EntryKey,KeyIn,ValueIn>` | MappingJob.`onKeys(EntryKey... keys)` Deprecated. Defines keys to execute the mapper and a possibly defined reducer against.
    `MappingJob<EntryKey,KeyIn,ValueIn>` | MappingJob.`onKeys(Iterable<? extends EntryKey> keys)` Deprecated. Defines keys to execute the mapper and a possibly defined reducer against.
    `MappingJob<EntryKey,KeyIn,ValueIn>` | MappingJob.`topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy)` Deprecated. Defines the strategy to handle topology changes while executing the map reduce job.

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