org.apache.activemq.jmdns

Class DNSState

java.lang.Object

org.apache.activemq.jmdns.DNSState

All Implemented Interfaces:

java.lang.Comparable

public class DNSState
extends java.lang.Object
implements java.lang.Comparable

DNSState defines the possible states for services registered with JmDNS.

Version:

1.0 May 23, 2004 Created.

Author:

Werner Randelshofer, Rick Blair

Field Summary

Fields

Modifier and Type	Field and Description
static DNSState	ANNOUNCED
static DNSState	ANNOUNCING_1
static DNSState	ANNOUNCING_2
static DNSState	CANCELED
static DNSState	PROBING_1
static DNSState	PROBING_2
static DNSState	PROBING_3

Method Summary

Methods

Modifier and Type	Method and Description
DNSState	advance() Returns the next advanced state.
int	compareTo(java.lang.Object o) Compares two states.
boolean	isAnnounced() Returns true, if this is an announced state.
boolean	isAnnouncing() Returns true, if this is an announcing state.
boolean	isProbing() Returns true, if this is a probing state.
DNSState	revert() Returns to the next reverted state.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

PROBING_1

public static final DNSState PROBING_1

PROBING_2

public static final DNSState PROBING_2

PROBING_3

public static final DNSState PROBING_3

ANNOUNCING_1

public static final DNSState ANNOUNCING_1

ANNOUNCING_2

public static final DNSState ANNOUNCING_2

ANNOUNCED

public static final DNSState ANNOUNCED

CANCELED

public static final DNSState CANCELED

Method Detail

toString

public final java.lang.String toString()

Overrides:

toString in class java.lang.Object

advance

public final DNSState advance()

Returns the next advanced state. In general, this advances one step in the following sequence: PROBING_1, PROBING_2, PROBING_3, ANNOUNCING_1, ANNOUNCING_2, ANNOUNCED. Does not advance for ANNOUNCED and CANCELED state.

revert

public final DNSState revert()

Returns to the next reverted state. All states except CANCELED revert to PROBING_1. Status CANCELED does not revert.

isProbing

public boolean isProbing()

Returns true, if this is a probing state.

isAnnouncing

public boolean isAnnouncing()

Returns true, if this is an announcing state.

isAnnounced

public boolean isAnnounced()

Returns true, if this is an announced state.

compareTo

public int compareTo(java.lang.Object o)

Compares two states. The states compare as follows: PROBING_1 < PROBING_2 < PROBING_3 < ANNOUNCING_1 < ANNOUNCING_2 < RESPONDING < ANNOUNCED < CANCELED.

Specified by:

compareTo in interface java.lang.Comparable