org.opencms.publish
Class CmsPublishQueue

java.lang.Object
  org.opencms.publish.CmsPublishQueue

public class CmsPublishQueue
extends java.lang.Object

This queue contains all not jet started publish jobs.

Since:

6.5.5

Version:

$Revision: 1.12 $

Author:

Michael Moossen

Field Summary

protected CmsPublishEngine

m_publishEngine The publish engine.

Constructor Summary

protected

CmsPublishQueue(CmsPublishEngine publishEngine) Default constructor, for an empty queue.

Method Summary

protected boolean	abortPublishJob(CmsPublishJobInfoBean publishJob) Aborts the given publish job.
protected void	add(CmsPublishJobInfoBean publishJob) Pushes a new publish job with the given information in publish queue.
protected java.util.List	asList() Returns an unmodifiable list representation of this queue.
protected boolean	contains(CmsPublishJobInfoBean publishJob) Checks if the given job is already in the queue, this does only check for the identical job.
static org.apache.commons.collections.Buffer	getQueue() Creates the buffer used as publish queue.
protected void	initialize(CmsObject adminCms, boolean revive) Initializes the internal FIFO queue with publish jobs from the database.
protected boolean	isEmpty() Checks if the queue is empty.
protected CmsPublishJobInfoBean	next() Returns the next publish job to be published, removing it from the queue, or null if the queue is empty.
protected void	remove(CmsPublishJobInfoBean publishJob) Removes the given job from the list.
protected void	update(CmsPublishJobInfoBean publishJob) Updates the given job in the list.

Methods inherited from class java.lang.Object

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

Field Detail

m_publishEngine

protected final CmsPublishEngine m_publishEngine

The publish engine.

Constructor Detail

CmsPublishQueue

protected CmsPublishQueue(CmsPublishEngine publishEngine)

Default constructor, for an empty queue.

Parameters:

publishEngine - the publish engine instance

Method Detail

getQueue

public static org.apache.commons.collections.Buffer getQueue()

Creates the buffer used as publish queue.

Returns:

the queue buffer

abortPublishJob

protected boolean abortPublishJob(CmsPublishJobInfoBean publishJob)

Aborts the given publish job.

Parameters:

publishJob - the publish job to abort

Returns:

true if the publish job was found

add

protected void add(CmsPublishJobInfoBean publishJob)
            throws CmsException

Pushes a new publish job with the given information in publish queue.

If possible, the publish job starts immediately.

Parameters:

publishJob - the publish job to enqueue

Throws:

CmsException - if something goes wrong

asList

protected java.util.List asList()

Returns an unmodifiable list representation of this queue.

Returns:

a list of CmsPublishJobEnqueued objects

contains

protected boolean contains(CmsPublishJobInfoBean publishJob)

Checks if the given job is already in the queue, this does only check for the identical job.

Parameters:

publishJob - the publish job to check for

Returns:

true if the given job is already in the queue

initialize

protected void initialize(CmsObject adminCms,
                          boolean revive)

Initializes the internal FIFO queue with publish jobs from the database.

Parameters:

adminCms - an admin cms object

revive - true if the publish queue should be revived from the database

isEmpty

protected boolean isEmpty()

Checks if the queue is empty.

Returns:

true if the queue is empty

next

protected CmsPublishJobInfoBean next()

Returns the next publish job to be published, removing it from the queue, or null if the queue is empty.

Returns:

the next publish job to be published

remove

protected void remove(CmsPublishJobInfoBean publishJob)
               throws CmsException

Removes the given job from the list.

Parameters:

publishJob - the publish job to remove

Throws:

CmsException - if something goes wrong

update

protected void update(CmsPublishJobInfoBean publishJob)

Updates the given job in the list.

Parameters:

publishJob - the publish job to