| Package | Description | 
|---|---|
| com.hazelcast.config | Provides classes for configuring HazelcastInstance. | 
| 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.impl | This package contains the default implementation for the map reduce framework
 internals. | 
| com.hazelcast.mapreduce.impl.client | This package contains request and response classes for communication between cluster
 members and Hazelcast native clients | 
| com.hazelcast.mapreduce.impl.operation | This package contains all remote operations that are needed to control work on
 supervising or worker nodes. | 
| com.hazelcast.mapreduce.impl.task | This package contains the base implementation for a standard map reduce job. | 
| Modifier and Type | Field and Description | 
|---|---|
| static TopologyChangedStrategy | JobTrackerConfig. DEFAULT_TOPOLOGY_CHANGED_STRATEGYDefine how a map reduce job behaves. | 
| Modifier and Type | Method and Description | 
|---|---|
| TopologyChangedStrategy | JobTrackerConfig. getTopologyChangedStrategy() | 
| Modifier and Type | Method and Description | 
|---|---|
| void | JobTrackerConfigReadOnly. setTopologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| void | JobTrackerConfig. setTopologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| Modifier and Type | Method and Description | 
|---|---|
| static TopologyChangedStrategy | TopologyChangedStrategy. valueOf(String name)Returns the enum constant of this type with the specified name. | 
| static TopologyChangedStrategy[] | TopologyChangedStrategy. values()Returns an array containing the constants of this enum type, in
the order they are declared. | 
| Modifier and Type | Method and Description | 
|---|---|
| ReducingJob<EntryKey,KeyIn,ValueIn> | ReducingJob. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy)Defines the strategy to handle topology changes while executing the map reduce job. | 
| MappingJob<EntryKey,KeyIn,ValueIn> | MappingJob. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy)Defines the strategy to handle topology changes while executing the map reduce job. | 
| ReducingSubmittableJob<EntryKey,KeyIn,ValueIn> | ReducingSubmittableJob. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy)Defines the strategy to handle topology changes while executing the map reduce job. | 
| Job<KeyIn,ValueIn> | Job. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy)Defines the strategy to handle topology changes while executing the map reduce job. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected TopologyChangedStrategy | AbstractJob. topologyChangedStrategy | 
| Modifier and Type | Method and Description | 
|---|---|
| Job<KeyIn,ValueIn> | AbstractJob. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| MappingJob<EntryKey,Key,Value> | AbstractJob.MappingJobImpl. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| ReducingJob<EntryKey,Key,Value> | AbstractJob.ReducingJobImpl. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| ReducingSubmittableJob<EntryKey,Key,Value> | AbstractJob.ReducingSubmittableJobImpl. topologyChangedStrategy(TopologyChangedStrategy topologyChangedStrategy) | 
| Modifier and Type | Field and Description | 
|---|---|
| protected TopologyChangedStrategy | ClientMapReduceRequest. topologyChangedStrategy | 
| Constructor and Description | 
|---|
| ClientMapReduceRequest(String name,
                      String jobId,
                      Collection keys,
                      KeyPredicate predicate,
                      Mapper mapper,
                      CombinerFactory combinerFactory,
                      ReducerFactory reducerFactory,
                      KeyValueSource keyValueSource,
                      int chunkSize,
                      TopologyChangedStrategy topologyChangedStrategy) | 
| Constructor and Description | 
|---|
| KeyValueJobOperation(String name,
                    String jobId,
                    int chunkSize,
                    KeyValueSource<K,V> keyValueSource,
                    Mapper mapper,
                    CombinerFactory combinerFactory,
                    ReducerFactory reducerFactory,
                    boolean communicateStats,
                    TopologyChangedStrategy topologyChangedStrategy) | 
| Modifier and Type | Method and Description | 
|---|---|
| TopologyChangedStrategy | JobTaskConfiguration. getTopologyChangedStrategy() | 
| Constructor and Description | 
|---|
| JobTaskConfiguration(Address jobOwner,
                    NodeEngine nodeEngine,
                    int chunkSize,
                    String name,
                    String jobId,
                    Mapper mapper,
                    CombinerFactory combinerFactory,
                    ReducerFactory reducerFactory,
                    KeyValueSource keyValueSource,
                    boolean communicateStats,
                    TopologyChangedStrategy topologyChangedStrategy) | 
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