Package javax.jmdns.impl.tasks

Class DNSTask

java.lang.Object

java.util.TimerTask

javax.jmdns.impl.tasks.DNSTask

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

DNSResolverTask, DNSStateTask, RecordReaper, Responder

public abstract class DNSTask
extends TimerTask

This is the root class for all task scheduled by the timer in JmDNS.

Author:

Pierre Frisch

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	DNSTask(JmDNSImpl jmDNSImpl)

Method Summary

Modifier and Type	Method	Description
DNSOutgoing	addAdditionalAnswer(DNSOutgoing out, DNSIncoming in, DNSRecord rec)	Add an additional answer to the record.
DNSOutgoing	addAnswer(DNSOutgoing out, DNSIncoming in, DNSRecord rec)	Add an answer if it is not suppressed.
DNSOutgoing	addAnswer(DNSOutgoing out, DNSRecord rec, long now)	Add an answer to the message.
DNSOutgoing	addAuthoritativeAnswer(DNSOutgoing out, DNSRecord rec)	Add an authoritative answer to the message.
DNSOutgoing	addQuestion(DNSOutgoing out, DNSQuestion rec)	Add a question to the message.
JmDNSImpl	getDns()	Return the DNS associated with this task.
abstract String	getName()	Return this task name.
abstract void	start(Timer timer)	Start this task.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from class java.util.TimerTask

cancel, run, scheduledExecutionTime

Constructor Detail

DNSTask

protected DNSTask(JmDNSImpl jmDNSImpl)

Parameters:

jmDNSImpl -

Method Detail

getDns

public JmDNSImpl getDns()

Return the DNS associated with this task.

Returns:

associated DNS

start

public abstract void start(Timer timer)

Start this task.

Parameters:

timer - task timer.

getName

public abstract String getName()

Return this task name.

Returns:

task name

toString

public String toString()

Overrides:

toString in class Object

addQuestion

public DNSOutgoing addQuestion(DNSOutgoing out,
                               DNSQuestion rec)
                        throws IOException

Add a question to the message.

Parameters:

out - outgoing message

rec - DNS question

Returns:

outgoing message for the next question

Throws:

IOException

addAnswer

public DNSOutgoing addAnswer(DNSOutgoing out,
                             DNSIncoming in,
                             DNSRecord rec)
                      throws IOException

Add an answer if it is not suppressed.

Parameters:

out - outgoing message

in - incoming request

rec - DNS record answer

Returns:

outgoing message for the next answer

Throws:

IOException

addAnswer

public DNSOutgoing addAnswer(DNSOutgoing out,
                             DNSRecord rec,
                             long now)
                      throws IOException

Add an answer to the message.

Parameters:

out - outgoing message

rec - DNS record answer

now -

Returns:

outgoing message for the next answer

Throws:

IOException

addAuthoritativeAnswer

public DNSOutgoing addAuthoritativeAnswer(DNSOutgoing out,
                                          DNSRecord rec)
                                   throws IOException

Add an authoritative answer to the message.

Parameters:

out - outgoing message

rec - DNS record answer

Returns:

outgoing message for the next answer

Throws:

IOException

addAdditionalAnswer

public DNSOutgoing addAdditionalAnswer(DNSOutgoing out,
                                       DNSIncoming in,
                                       DNSRecord rec)
                                throws IOException

Add an additional answer to the record. Omit if there is no room.

Parameters:

out - outgoing message

in - incoming request

rec - DNS record answer

Returns:

outgoing message for the next answer

Throws:

IOException