com.hazelcast.internal.journal

Class EventJournalInitialSubscriberState

java.lang.Object

com.hazelcast.internal.journal.EventJournalInitialSubscriberState

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable

public class EventJournalInitialSubscriberState
extends Object
implements IdentifiedDataSerializable

The response for the event journal subcription. This includes the sequence IDs of the newest and oldest event in the event journal from which new events can be read. Keep in mind that these sequence IDs may be overwritten at any point and may be stale by the time you decide to read them.

Since:

3.9

See Also:

MapEventJournalSubscribeOperation, CacheEventJournalSubscribeOperation

Constructor Summary

Constructors

Constructor and Description
EventJournalInitialSubscriberState()
EventJournalInitialSubscriberState(long oldestSequence, long newestSequence)

Method Summary

Modifier and Type	Method and Description
int	getFactoryId() Returns DataSerializableFactory factory ID for this class.
int	getId() Returns type identifier for this class.
long	getNewestSequence()
long	getOldestSequence()
void	readData(ObjectDataInput in) Reads fields from the input stream
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

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

Constructor Detail

EventJournalInitialSubscriberState

public EventJournalInitialSubscriberState()

EventJournalInitialSubscriberState

public EventJournalInitialSubscriberState(long oldestSequence,
                                          long newestSequence)

Method Detail

getOldestSequence

public long getOldestSequence()

getNewestSequence

public long getNewestSequence()

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. It should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type ID

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

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

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.