Package org.jgroups.protocols.relay

Class SiteStatus

java.lang.Object

org.jgroups.protocols.relay.SiteStatus

public class SiteStatus
extends Object

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

Since:

5.2.17

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	SiteStatus.Status

Field Summary

Fields

Modifier and Type	Field	Description
protected final Map<String,SiteStatus.Status>	sites

Constructor Summary

Constructors

Constructor	Description
SiteStatus()

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Details

sites

protected final Map<String,SiteStatus.Status> sites

Constructor Details

SiteStatus

public SiteStatus()

Method Details

add

public Set<String> add(Set<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(String site)

clear

public SiteStatus clear()

toString

public String toString()

Overrides:

toString in class Object