dk.netarkivet.harvester.harvesting.distribute
Class HarvesterStatusMessage

java.lang.Object
  dk.netarkivet.common.distribute.NetarkivetMessage
      dk.netarkivet.harvester.distribute.HarvesterMessage
          dk.netarkivet.harvester.harvesting.distribute.HarvesterStatusMessage

All Implemented Interfaces:

java.io.Serializable

public class HarvesterStatusMessage
extends HarvesterMessage
implements java.io.Serializable

The HarvestController periodically sends HarvesterStatusMessages to the HarvestDispatcher to notify it whether it is available for processing a job or already processing one.

See Also:

Serialized Form

Field Summary

Fields inherited from class dk.netarkivet.common.distribute.NetarkivetMessage

replyOfId

Constructor Summary

HarvesterStatusMessage(java.lang.String applicationInstanceId, JobPriority jobPriority, boolean isAvailable)
Builds a new message.

Method Summary

void	accept(HarvesterMessageVisitor v) Should be implemented as a part of the visitor pattern.
java.lang.String	getApplicationInstanceId()
JobPriority	getJobProprity()
boolean	isAvailable()

Methods inherited from class dk.netarkivet.common.distribute.NetarkivetMessage

getErrMsg, getID, getReplyOfId, getReplyTo, getTo, hasBeenSent, isOk, setNotOk, setNotOk, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

HarvesterStatusMessage

public HarvesterStatusMessage(java.lang.String applicationInstanceId,
                              JobPriority jobPriority,
                              boolean isAvailable)

Builds a new message.

Parameters:

jobPriority - the priority of jobs crawled by the sender.

applicationInstanceId - the sender's application instance ID.

isAvailable - whether or not the sender is processing a crawl request.

Method Detail

accept

public void accept(HarvesterMessageVisitor v)

Description copied from class: HarvesterMessage

Should be implemented as a part of the visitor pattern. fx.: public void accept(HarvesterMessageVisitor v) { v.visit(this); }

Specified by:

accept in class HarvesterMessage

Parameters:

v - A message visitor

getJobProprity

public JobPriority getJobProprity()

Returns:

the priority of jobs crawled by the sender.

getApplicationInstanceId

public java.lang.String getApplicationInstanceId()

Returns:

the application instance ID.

isAvailable

public boolean isAvailable()

Returns:

the availability.