com.hazelcast.client.impl.protocol.task.mapreduce

Class AbstractMapReduceTask<Parameters>

java.lang.Object

com.hazelcast.client.impl.protocol.task.AbstractMessageTask<Parameters>

com.hazelcast.client.impl.protocol.task.mapreduce.AbstractMapReduceTask<Parameters>

All Implemented Interfaces:

SecureRequest, BlockingMessageTask, MessageTask, ExecutionCallback, PartitionSpecificRunnable, Runnable

Direct Known Subclasses:

MapReduceForCustomMessageTask, MapReduceForListMessageTask, MapReduceForMapMessageTask, MapReduceForMultiMapMessageTask, MapReduceForSetMessageTask

public abstract class AbstractMapReduceTask<Parameters>
extends AbstractMessageTask<Parameters>
implements ExecutionCallback, BlockingMessageTask

Field Summary

Fields inherited from class com.hazelcast.client.impl.protocol.task.AbstractMessageTask

clientEngine, clientMessage, connection, endpoint, logger, nodeEngine, parameters, serializationService

Constructor Summary

Constructors

Constructor and Description
AbstractMapReduceTask(ClientMessage clientMessage, Node node, Connection connection)

Method Summary

Modifier and Type	Method and Description
protected abstract int	getChunkSize()
protected abstract CombinerFactory	getCombinerFactory()
protected abstract String	getJobId()
protected abstract Collection	getKeys()
protected abstract KeyValueSource	getKeyValueSource()
protected abstract Mapper	getMapper()
String	getMethodName() Used for SecurityInterceptor Method name which called via a distributedObject for map.put, methodName will be 'put' For requests which do not produced via a distributedObject should return null, for example internal client.
Object[]	getParameters() Used for SecurityInterceptor Parameters passed to the method by a distributedObject for map.put(key, value) parameters should be 'key' and 'value' parameters can be in binary or object form, underlying implementation will de-serialize lazily
protected abstract KeyPredicate	getPredicate()
protected abstract ReducerFactory	getReducerFactory()
Permission	getRequiredPermission()
String	getServiceName()
protected abstract String	getTopologyChangedStrategy()
void	onFailure(Throwable t) Called when an execution is completed with an error.
void	onResponse(Object response) Called when an execution is completed successfully.
protected void	processMessage()

Methods inherited from class com.hazelcast.client.impl.protocol.task.AbstractMessageTask

decodeClientMessage, doRun, encodeResponse, getDistributedObjectName, getDistributedObjectType, getMemberBuildInfo, getPartitionId, getService, handleProcessingFailure, run, sendClientMessage, sendClientMessage, sendClientMessage, sendResponse

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractMapReduceTask

public AbstractMapReduceTask(ClientMessage clientMessage,
                             Node node,
                             Connection connection)

Method Detail

processMessage

protected void processMessage()

Specified by:

processMessage in class AbstractMessageTask<Parameters>

getJobId

protected abstract String getJobId()

getChunkSize

protected abstract int getChunkSize()

getTopologyChangedStrategy

protected abstract String getTopologyChangedStrategy()

getKeyValueSource

protected abstract KeyValueSource getKeyValueSource()

getMapper

protected abstract Mapper getMapper()

getCombinerFactory

protected abstract CombinerFactory getCombinerFactory()

getReducerFactory

protected abstract ReducerFactory getReducerFactory()

getKeys

protected abstract Collection getKeys()

getPredicate

protected abstract KeyPredicate getPredicate()

onResponse

public void onResponse(Object response)

Description copied from interface: ExecutionCallback

Called when an execution is completed successfully.

Specified by:

onResponse in interface ExecutionCallback

Parameters:

response - the result of the successful execution

onFailure

public void onFailure(Throwable t)

Description copied from interface: ExecutionCallback

Called when an execution is completed with an error.

Specified by:

onFailure in interface ExecutionCallback

Parameters:

t - the exception that is thrown

getServiceName

public String getServiceName()

Specified by:

getServiceName in class AbstractMessageTask<Parameters>

getRequiredPermission

public Permission getRequiredPermission()

Specified by:

getRequiredPermission in interface SecureRequest

getMethodName

public String getMethodName()

Description copied from interface: SecureRequest

Used for SecurityInterceptor Method name which called via a distributedObject for map.put, methodName will be 'put' For requests which do not produced via a distributedObject should return null, for example internal client.

Specified by:

getMethodName in interface SecureRequest

Specified by:

getMethodName in class AbstractMessageTask<Parameters>

Returns:

getParameters

public Object[] getParameters()

Description copied from interface: SecureRequest

Used for SecurityInterceptor Parameters passed to the method by a distributedObject for map.put(key, value) parameters should be 'key' and 'value' parameters can be in binary or object form, underlying implementation will de-serialize lazily

Specified by:

getParameters in interface SecureRequest

Specified by:

getParameters in class AbstractMessageTask<Parameters>

Returns: