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

Class MetadataRemoveAcceptedMessage

java.lang.Object

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

All Implemented Interfaces:

Serializable, DiscoveryCustomMessage

public class MetadataRemoveAcceptedMessage
extends Object
implements DiscoveryCustomMessage

Acknowledge message for MetadataRemoveProposedMessage: see its javadoc for detailed description of protocol. As discovery messaging doesn't guarantee that message makes only one pass across the cluster MetadataRemoveAcceptedMessage 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
@Nullable DiscoveryCustomMessage	ackMessage() Called when custom message has been handled by all nodes.
@Nullable 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()
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 @Nullable 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.

createDiscoCache

@Nullable
public @Nullable 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