com.hazelcast.mapreduce.impl.task

Class TransferableJobProcessInformation

java.lang.Object

com.hazelcast.mapreduce.impl.task.TransferableJobProcessInformation

All Implemented Interfaces:

JobProcessInformation, Portable

public class TransferableJobProcessInformation
extends Object
implements JobProcessInformation, Portable

This implementation of JobProcessInformation is used to transmit the currently processed number of records and the partition states to a requesting client. This information can only be requested by the job emitting client and by requesting it at the job owner.

Constructor Summary

Constructors

Constructor and Description
TransferableJobProcessInformation()
TransferableJobProcessInformation(JobPartitionState[] partitionStates, int processedRecords)

Method Summary

Modifier and Type	Method and Description
int	getClassId() Returns class identifier for this portable class.
int	getFactoryId() Returns PortableFactory id for this portable class
JobPartitionState[]	getPartitionStates() Returns an array of JobPartitionStates holding information about the processing state (JobPartitionState.State) and the processing owner of this partition. The index of the JobPartitionState inside of the array is the number of the processed partition if the KeyValueSource is PartitionIdAware or a randomly assigned id for the different members of the cluster.
int	getProcessedRecords() Returns the number of processed records. The number of processed records is not a real time value, it is updated on a regular basis (after 1000 processed elements per node).
void	readPortable(PortableReader reader) Read portable fields using PortableReader
void	writePortable(PortableWriter writer) Serialize this portable object using PortableWriter

Methods inherited from class java.lang.Object

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

Constructor Detail

TransferableJobProcessInformation

public TransferableJobProcessInformation()

TransferableJobProcessInformation

public TransferableJobProcessInformation(JobPartitionState[] partitionStates,
                                         int processedRecords)

Method Detail

getPartitionStates

public JobPartitionState[] getPartitionStates()

Description copied from interface: JobProcessInformation

Returns an array of JobPartitionStates holding information about the processing state (JobPartitionState.State) and the processing owner of this partition.
The index of the JobPartitionState inside of the array is the number of the processed partition if the KeyValueSource is PartitionIdAware or a randomly assigned id for the different members of the cluster.

Specified by:

getPartitionStates in interface JobProcessInformation

Returns:

partition state array with actual state information

getProcessedRecords

public int getProcessedRecords()

Description copied from interface: JobProcessInformation

Returns the number of processed records.
The number of processed records is not a real time value, it is updated on a regular basis (after 1000 processed elements per node).

Specified by:

getProcessedRecords in interface JobProcessInformation

Returns:

number of processed records

writePortable

public void writePortable(PortableWriter writer)
                   throws IOException

Description copied from interface: Portable

Serialize this portable object using PortableWriter

Specified by:

writePortable in interface Portable

Parameters:

writer - PortableWriter

Throws:

IOException

readPortable

public void readPortable(PortableReader reader)
                  throws IOException

Description copied from interface: Portable

Read portable fields using PortableReader

Specified by:

readPortable in interface Portable

Parameters:

reader - PortableReader

Throws:

IOException

getFactoryId

public int getFactoryId()

Description copied from interface: Portable

Returns PortableFactory id for this portable class

Specified by:

getFactoryId in interface Portable

Returns:

factory id

getClassId

public int getClassId()

Description copied from interface: Portable

Returns class identifier for this portable class. Class id should be unique per PortableFactory.

Specified by:

getClassId in interface Portable

Returns:

class id