com.hazelcast.mapreduce.impl.operation

Class KeyValueJobOperation<K,V>

java.lang.Object

com.hazelcast.spi.Operation

com.hazelcast.spi.AbstractOperation

com.hazelcast.mapreduce.impl.operation.KeyValueJobOperation<K,V>

Type Parameters:

K - type of the key

V - type of the value

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable

public class KeyValueJobOperation<K,V>
extends AbstractOperation
implements IdentifiedDataSerializable

This operation is used to prepare a KeyValueSource based map reduce operation on all cluster members.

Field Summary

Fields inherited from class com.hazelcast.spi.Operation

CALL_ID_LOCAL_SKIPPED, GENERIC_PARTITION_ID

Constructor Summary

Constructors

Constructor and Description
KeyValueJobOperation()
KeyValueJobOperation(String name, String jobId, int chunkSize, KeyValueSource<K,V> keyValueSource, Mapper mapper, CombinerFactory combinerFactory, ReducerFactory reducerFactory, boolean communicateStats, TopologyChangedStrategy topologyChangedStrategy)

Method Summary

Methods

Modifier and Type	Method and Description
int	getFactoryId() Returns DataSerializableFactory factory id for this class.
int	getId() Returns type identifier for this class.
Object	getResponse()
String	getServiceName()
void	readInternal(ObjectDataInput in)
void	run()
void	writeInternal(ObjectDataOutput out)

Methods inherited from class com.hazelcast.spi.AbstractOperation

afterRun, beforeRun, returnsResponse

Methods inherited from class com.hazelcast.spi.Operation

getCallerAddress, getCallerUuid, getCallId, getCallTimeout, getConnection, getInvocationTime, getLogger, getNodeEngine, getPartitionId, getReplicaIndex, getResponseHandler, getService, getWaitTimeout, isUrgent, logError, onException, readData, setCallerUuid, setNodeEngine, setPartitionId, setReplicaIndex, setResponseHandler, setService, setServiceName, setValidateTarget, setWaitTimeout, toString, validatesTarget, writeData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.hazelcast.nio.serialization.DataSerializable

readData, writeData

Constructor Detail

KeyValueJobOperation

public KeyValueJobOperation()

KeyValueJobOperation

public KeyValueJobOperation(String name,
                    String jobId,
                    int chunkSize,
                    KeyValueSource<K,V> keyValueSource,
                    Mapper mapper,
                    CombinerFactory combinerFactory,
                    ReducerFactory reducerFactory,
                    boolean communicateStats,
                    TopologyChangedStrategy topologyChangedStrategy)

Method Detail

getServiceName

public String getServiceName()

Overrides:

getServiceName in class Operation

run

public void run()
         throws Exception

Specified by:

run in class Operation

Throws:

Exception

getResponse

public Object getResponse()

Overrides:

getResponse in class AbstractOperation

writeInternal

public void writeInternal(ObjectDataOutput out)
                   throws IOException

Overrides:

writeInternal in class AbstractOperation

Throws:

IOException

readInternal

public void readInternal(ObjectDataInput in)
                  throws IOException

Overrides:

readInternal in class AbstractOperation

Throws:

IOException

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory id for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory id

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. Id should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type id