Package com.couchbase.client.core.topology

Class TopologyRevision

java.lang.Object

com.couchbase.client.core.topology.TopologyRevision

All Implemented Interfaces:

Comparable<TopologyRevision>

@Internal
public class TopologyRevision
extends Object
implements Comparable<TopologyRevision>

Field Summary

Fields

Modifier and Type	Field	Description
static final TopologyRevision	ZERO	A synthetic revision, older than anything the server could send.

Constructor Summary

Constructors

Constructor	Description
TopologyRevision(long epoch, long rev)

Method Summary

Modifier and Type	Method	Description
int	compareTo(TopologyRevision o)
long	epoch()
boolean	equals(Object o)
int	hashCode()
boolean	newerThan(TopologyRevision other)
static TopologyRevision	parse(com.couchbase.client.core.deps.com.fasterxml.jackson.databind.node.ObjectNode json)
long	rev()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ZERO

public static final TopologyRevision ZERO

A synthetic revision, older than anything the server could send.

(Actually, the server could send a revision with a negative epoch to indicate the epoch is not yet initialized, but we want to ignore those undercooked configs.)

Constructor Details

TopologyRevision

public TopologyRevision(long epoch,
 long rev)

Parameters:

epoch - May be negative to indicate the epoch is not yet initialized.

rev - Never negative.

Method Details

parse

public static TopologyRevision parse(com.couchbase.client.core.deps.com.fasterxml.jackson.databind.node.ObjectNode json)

epoch

public long epoch()

rev

public long rev()

compareTo

public int compareTo(TopologyRevision o)

Specified by:

compareTo in interface Comparable<TopologyRevision>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

newerThan

public boolean newerThan(TopologyRevision other)