Package com.oracle.coherence.concurrent.executor.internal

Interface ClusterMemberAware

All Known Implementing Classes:

ClusteredExecutorInfo

public interface ClusterMemberAware

A ClusterMemberAware object is aware of its cluster Member wishes to receive Member lifecycle events. See MemberListener.

Since:

21.12

Author:

phf

Method Summary

Modifier and Type	Method	Description
UID	getUid()	The UID of the Member for which this object wishes to receive membership events.
boolean	onMemberJoined()	A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member has joined the cluster.
boolean	onMemberLeaving()	A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member is leaving the cluster.
boolean	onMemberLeft()	A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member is leaving the cluster.

Method Detail

getUid

UID getUid()

The UID of the Member for which this object wishes to receive membership events. May return null which means do not receive membership events.

Returns:

a UID

onMemberJoined

boolean onMemberJoined()

A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member has joined the cluster.

Returns:

true if the ClusterMemberAware state was mutated and should be saved, false otherwise

See Also:

MemberListener.memberJoined(MemberEvent)

onMemberLeaving

boolean onMemberLeaving()

A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member is leaving the cluster.

Returns:

true if the ClusterMemberAware state was mutated and should be saved, false otherwise

onMemberLeft

boolean onMemberLeft()

A callback invoked as part of an InvocableMap.EntryProcessor to perform custom operations when the Member is leaving the cluster.

See MemberListener.memberLeft(MemberEvent).

Returns:

true if the ClusterMemberAware state was mutated and should be saved, false otherwise