Package io.scalecube.cluster.membership

Class MembershipEvent

java.lang.Object

io.scalecube.cluster.membership.MembershipEvent

public final class MembershipEvent
extends Object

Event which is emitted on cluster membership changes when new member added, updated in the cluster or removed from the cluster.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	MembershipEvent.Type

Method Summary

Modifier and Type	Method	Description
static MembershipEvent	createAdded(Member member, ByteBuffer metadata, long timestamp)	Creates ADDED membership event with cluster member and its metadata.
static MembershipEvent	createLeaving(Member member, ByteBuffer metadata, long timestamp)	Creates LEAVING membership event.
static MembershipEvent	createRemoved(Member member, ByteBuffer metadata, long timestamp)	Creates REMOVED membership event with cluster member and its metadata (optional).
static MembershipEvent	createUpdated(Member member, ByteBuffer oldMetadata, ByteBuffer newMetadata, long timestamp)	Creates UPDATED membership event.
boolean	isAdded()
boolean	isLeaving()
boolean	isRemoved()
boolean	isUpdated()
Member	member()
ByteBuffer	newMetadata()
ByteBuffer	oldMetadata()
long	timestamp()
String	toString()
MembershipEvent.Type	type()

Methods inherited from class java.lang.Object

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

Method Details

createRemoved

public static MembershipEvent createRemoved(Member member,
 ByteBuffer metadata,
 long timestamp)

Creates REMOVED membership event with cluster member and its metadata (optional).

Parameters:

member - cluster member; not null

metadata - member metadata; optional

timestamp - event timestamp

Returns:

membership event

createAdded

public static MembershipEvent createAdded(Member member,
 ByteBuffer metadata,
 long timestamp)

Creates ADDED membership event with cluster member and its metadata.

Parameters:

member - cluster memeber; not null

metadata - member metadata; optional

timestamp - event timestamp

Returns:

membership event

createLeaving

public static MembershipEvent createLeaving(Member member,
 ByteBuffer metadata,
 long timestamp)

Creates LEAVING membership event.

Parameters:

member - cluster member; not null

metadata - member metadata; optional

timestamp - event timestamp

Returns:

membership event

createUpdated

public static MembershipEvent createUpdated(Member member,
 ByteBuffer oldMetadata,
 ByteBuffer newMetadata,
 long timestamp)

Creates UPDATED membership event.

Parameters:

member - cluster member; not null

oldMetadata - previous metadata; optional

newMetadata - new metadata; optional

timestamp - event timestamp

Returns:

membership event

type

public MembershipEvent.Type type()

isAdded

public boolean isAdded()

isRemoved

public boolean isRemoved()

isLeaving

public boolean isLeaving()

isUpdated

public boolean isUpdated()

member

public Member member()

oldMetadata

public ByteBuffer oldMetadata()

newMetadata

public ByteBuffer newMetadata()

timestamp

public long timestamp()

toString

public String toString()

Overrides:

toString in class Object