org.apache.ignite.internal.processors.hadoop.shuffle

Class HadoopDirectShuffleMessage

java.lang.Object

org.apache.ignite.internal.processors.hadoop.shuffle.HadoopDirectShuffleMessage

All Implemented Interfaces:

Externalizable, Serializable, HadoopMessage, Message

public class HadoopDirectShuffleMessage
extends Object
implements Message, HadoopMessage

Direct shuffle message.

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.ignite.plugin.extensions.communication.Message

DIRECT_TYPE_SIZE

Constructor Summary

Constructors

Constructor and Description
HadoopDirectShuffleMessage() Default constructor.
HadoopDirectShuffleMessage(HadoopJobId jobId, int reducer, int cnt, byte[] buf, int bufLen, int dataLen) Constructor.

Method Summary

Modifier and Type	Method and Description
byte[]	buffer()
int	count()
int	dataLength()
short	directType() Gets message type.
byte	fieldsCount() Gets fields count.
HadoopJobId	jobId()
void	onAckReceived() Method called when ack message received.
void	readExternal(ObjectInput in)
boolean	readFrom(ByteBuffer buf, MessageReader reader) Reads this message from provided byte buffer.
int	reducer()
String	toString()
void	writeExternal(ObjectOutput out)
boolean	writeTo(ByteBuffer buf, MessageWriter writer) Writes this message to provided byte buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

HadoopDirectShuffleMessage

public HadoopDirectShuffleMessage()

Default constructor.

HadoopDirectShuffleMessage

public HadoopDirectShuffleMessage(HadoopJobId jobId,
                                  int reducer,
                                  int cnt,
                                  byte[] buf,
                                  int bufLen,
                                  int dataLen)

Constructor.

Parameters:

jobId - Job ID.

reducer - Reducer.

cnt - Count.

buf - Buffer.

bufLen - Buffer length.

dataLen - Data length.

Method Detail

jobId

public HadoopJobId jobId()

Returns:

Job ID.

reducer

public int reducer()

Returns:

Reducer.

count

public int count()

Returns:

Count.

buffer

public byte[] buffer()

Returns:

Buffer.

dataLength

public int dataLength()

Returns:

Data length.

writeTo

public boolean writeTo(ByteBuffer buf,
                       MessageWriter writer)

Writes this message to provided byte buffer.

Specified by:

writeTo in interface Message

Parameters:

buf - Byte buffer.

writer - Writer.

Returns:

Whether message was fully written.

readFrom

public boolean readFrom(ByteBuffer buf,
                        MessageReader reader)

Reads this message from provided byte buffer.

Specified by:

readFrom in interface Message

Parameters:

buf - Byte buffer.

reader - Reader.

Returns:

Whether message was fully read.

directType

public short directType()

Gets message type.

Specified by:

directType in interface Message

Returns:

Message type.

fieldsCount

public byte fieldsCount()

Gets fields count.

Specified by:

fieldsCount in interface Message

Returns:

Fields count.

onAckReceived

public void onAckReceived()

Method called when ack message received.

Specified by:

onAckReceived in interface Message

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

toString

public String toString()

Overrides:

toString in class Object