javax.jmdns.impl.tasks.resolver
Class DNSResolverTask

java.lang.Object
  java.util.TimerTask
      javax.jmdns.impl.tasks.DNSTask
          javax.jmdns.impl.tasks.resolver.DNSResolverTask

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

ServiceInfoResolver, ServiceResolver, TypeResolver

public abstract class DNSResolverTask
extends DNSTask

This is the root class for all resolver tasks.

Author:

Pierre Frisch

Field Summary

protected int

_count Counts the number of queries being sent.

Constructor Summary

DNSResolverTask(JmDNSImpl jmDNSImpl)

Method Summary

protected abstract DNSOutgoing	addAnswers(DNSOutgoing out) Overridden by subclasses to add questions to the message. Note: Because of message size limitation the returned message may be different than the message parameter.
protected abstract DNSOutgoing	addQuestions(DNSOutgoing out) Overridden by subclasses to add questions to the message. Note: Because of message size limitation the returned message may be different than the message parameter.
protected abstract String	description() Returns a description of the resolver for debugging
void	run()
void	start(Timer timer) Start this task.
String	toString()

Methods inherited from class javax.jmdns.impl.tasks.DNSTask

addAdditionalAnswer, addAnswer, addAnswer, addAuthoritativeAnswer, addQuestion, getDns, getName

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Field Detail

_count

protected int _count

Counts the number of queries being sent.

Constructor Detail

DNSResolverTask

public DNSResolverTask(JmDNSImpl jmDNSImpl)

Parameters:

jmDNSImpl -

Method Detail

toString

public String toString()

Overrides:

toString in class DNSTask

start

public void start(Timer timer)

Description copied from class: DNSTask

Start this task.

Specified by:

start in class DNSTask

Parameters:

timer - task timer.

run

public void run()

Specified by:

run in interface Runnable

Specified by:

run in class TimerTask

addQuestions

protected abstract DNSOutgoing addQuestions(DNSOutgoing out)
                                     throws IOException

Overridden by subclasses to add questions to the message.
Note: Because of message size limitation the returned message may be different than the message parameter.

Parameters:

out - outgoing message

Returns:

the outgoing message.

Throws:

IOException

addAnswers

protected abstract DNSOutgoing addAnswers(DNSOutgoing out)
                                   throws IOException

Overridden by subclasses to add questions to the message.
Note: Because of message size limitation the returned message may be different than the message parameter.

Parameters:

out - outgoing message

Returns:

the outgoing message.

Throws:

IOException

description

protected abstract String description()

Returns a description of the resolver for debugging

Returns:

resolver description