org.apache.ignite.internal.processors.cache.binary

Class MetadataUpdateAcceptedMessage

java.lang.Object

org.apache.ignite.internal.processors.cache.binary.MetadataUpdateAcceptedMessage

All Implemented Interfaces:

Serializable, DiscoveryCustomMessage

public class MetadataUpdateAcceptedMessage
extends Object
implements DiscoveryCustomMessage

Acknowledge message for MetadataUpdateProposedMessage: see its javadoc for detailed description of protocol. As discovery messaging doesn't guarantee that message makes only one pass across the cluster MetadataUpdateAcceptedMessage enables to mark it as duplicated so other nodes won't process it but skip.

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
DiscoveryCustomMessage	ackMessage() Called when custom message has been handled by all nodes.
DiscoCache	createDiscoCache(GridDiscoveryManager mgr, AffinityTopologyVersion topVer, DiscoCache discoCache) Creates new discovery cache if message caused topology version change.
boolean	duplicated()
void	duplicated(boolean duplicated)
IgniteUuid	id()
boolean	isMutable()
boolean	stopProcess() See DiscoverySpiCustomMessage.stopProcess().
String	toString()
int	typeId()

Methods inherited from class java.lang.Object

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

Method Detail

id

public IgniteUuid id()

Specified by:

id in interface DiscoveryCustomMessage

Returns:

Unique custom message ID.

ackMessage

@Nullable
public DiscoveryCustomMessage ackMessage()

Called when custom message has been handled by all nodes.

Specified by:

ackMessage in interface DiscoveryCustomMessage

Returns:

Ack message or null if ack is not required.

isMutable

public boolean isMutable()

Specified by:

isMutable in interface DiscoveryCustomMessage

Returns:

True if message can be modified during listener notification. Changes will be sent to next nodes.

stopProcess

public boolean stopProcess()

See DiscoverySpiCustomMessage.stopProcess().

Specified by:

stopProcess in interface DiscoveryCustomMessage

Returns:

True if message should not be sent to others nodes after it was processed on coordinator.

createDiscoCache

@Nullable
public DiscoCache createDiscoCache(GridDiscoveryManager mgr,
                                             AffinityTopologyVersion topVer,
                                             DiscoCache discoCache)

Creates new discovery cache if message caused topology version change.

Specified by:

createDiscoCache in interface DiscoveryCustomMessage

Parameters:

mgr - Discovery manager.

topVer - New topology version.

discoCache - Current discovery cache.

Returns:

Reused discovery cache.

typeId

public int typeId()

duplicated

public boolean duplicated()

duplicated

public void duplicated(boolean duplicated)

Parameters:

duplicated - duplicated flag.

toString

public String toString()

Overrides:

toString in class Object