com.hazelcast.mapreduce.impl.notification

Class LastChunkNotification<KeyOut,Value>

java.lang.Object

com.hazelcast.mapreduce.impl.notification.MapReduceNotification

com.hazelcast.mapreduce.impl.notification.MemberAwareMapReduceNotification

com.hazelcast.mapreduce.impl.notification.LastChunkNotification<KeyOut,Value>

Type Parameters:

KeyOut - type of the key

Value - type of the value

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable

public class LastChunkNotification<KeyOut,Value>
extends MemberAwareMapReduceNotification

This notification is used to notify the reducer that this chunk is the last chunk of the defined partitionId.

Constructor Summary

Constructors

Constructor and Description
LastChunkNotification()
LastChunkNotification(Address address, String name, String jobId, Address sender, int partitionId, Map<KeyOut,Value> chunk)

Method Summary

Modifier and Type	Method and Description
Map<KeyOut,Value>	getChunk()
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
int	getId() Returns type identifier for this class.
int	getPartitionId()
Address	getSender()
void	readData(ObjectDataInput in) Reads fields from the input stream
String	toString()
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class com.hazelcast.mapreduce.impl.notification.MemberAwareMapReduceNotification

getAddress

Methods inherited from class com.hazelcast.mapreduce.impl.notification.MapReduceNotification

getJobId, getName

Methods inherited from class java.lang.Object

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

Constructor Detail

LastChunkNotification

public LastChunkNotification()

LastChunkNotification

public LastChunkNotification(Address address,
                             String name,
                             String jobId,
                             Address sender,
                             int partitionId,
                             Map<KeyOut,Value> chunk)

Method Detail

getChunk

public Map<KeyOut,Value> getChunk()

getPartitionId

public int getPartitionId()

getSender

public Address getSender()

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Overrides:

writeData in class MemberAwareMapReduceNotification

Parameters:

out - output

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the output stream has been closed.

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Overrides:

readData in class MemberAwareMapReduceNotification

Parameters:

in - input

Throws:

IOException - if an I/O error occurs. In particular, an IOException may be thrown if the input stream has been closed.

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory ID for this class.

Returns:

factory ID

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

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

Returns:

type ID

toString

public String toString()

Overrides:

toString in class MemberAwareMapReduceNotification