org.apache.ignite.spi.discovery

Interface DiscoverySpiCustomMessage

All Superinterfaces:

Serializable

public interface DiscoverySpiCustomMessage
extends Serializable

Message to send across ring.

See Also:

GridDiscoveryManager.sendCustomEvent(DiscoveryCustomMessage)

Method Summary

Modifier and Type	Method and Description
@Nullable DiscoverySpiCustomMessage	ackMessage() Called when custom message has been handled by all nodes.
boolean	isMutable()
boolean	stopProcess() Called on discovery coordinator node after listener is notified.

Method Detail

ackMessage

@Nullable
@Nullable DiscoverySpiCustomMessage ackMessage()

Called when custom message has been handled by all nodes.

Returns:

Ack message or null if ack is not required.

isMutable

boolean isMutable()

Returns:

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

stopProcess

boolean stopProcess()

Called on discovery coordinator node after listener is notified. If returns true then message is not passed to others nodes, if after this method ackMessage() returns non-null ack message, it is sent to all nodes. Note: this method is used then and only then the zookeeper discovery is configured.

Returns:

True if message should not be sent to all nodes.