Package org.jgroups.protocols.relay

Class SiteStatus

java.lang.Object

org.jgroups.protocols.relay.SiteStatus

public class SiteStatus
extends java.lang.Object

Maintains the status of sites (up, down, undefined). This weeds out duplicate up or down notifications

Since:

5.2.17

Author:

Bela Ban

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	SiteStatus.Status

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Map<java.lang.String,SiteStatus.Status>	sites

Constructor Summary

Constructors

Constructor	Description
SiteStatus()

Method Summary

Modifier and Type	Method	Description
java.util.Set<java.lang.String>	add(java.util.Set<java.lang.String> sites, SiteStatus.Status status)	Adds a set of sites to the cache.
SiteStatus	clear()
SiteStatus.Status	get(java.lang.String site)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

sites

protected final java.util.Map<java.lang.String,SiteStatus.Status> sites

Constructor Detail

SiteStatus

public SiteStatus()

Method Detail

add

public java.util.Set<java.lang.String> add(java.util.Set<java.lang.String> sites,
                                           SiteStatus.Status status)

Adds a set of sites to the cache. Returns a set of sites for which notifications should be emitted. For each site S, the following happens:

  - S is not present: add a new entry with the given status for S and add S to the return value
  - S is present: if S != status: change the status and add S to the return value, else no-op
 

Parameters:

sites -

status -

Returns:

get

public SiteStatus.Status get(java.lang.String site)

clear

public SiteStatus clear()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object