com.atlassian.confluence.search.lucene.queue
Class DatabaseIndexTaskQueue

java.lang.Object
  com.atlassian.confluence.search.lucene.queue.DatabaseIndexTaskQueue

All Implemented Interfaces:

IndexTaskQueue

public class DatabaseIndexTaskQueue

extends Object

implements IndexTaskQueue

An implementation of the IndexTaskQueue backed by the database.

Field Summary

static org.apache.log4j.Category

log

Constructor Summary

DatabaseIndexTaskQueue()

Method Summary

Date	calculateLastFlushTime()
void	deleteOldEntries() Delete all entries older then 2 days from the database.
void	enqueue(IndexTask task) Add a new index task to the queue.
void	enqueueAll(Collection tasks) Add a collection of index tasks to the queue.
List	flushQueue() Flush the contents of the queue, returning those elements currently queued as the result.
Date	getExactLastFlushTimeFromDisk()
List	getQueuedEntries() Retrieve the list of index tasks currently queued.
int	getSize() Retrieve the number of tasks currently queued.
void	reset() Reseting the queue removes all queued index tasks from the queue without flushing.
void	setBootstrapManager(BootstrapManager bootstrapManager)
void	setIndexTaskFactory(IndexTaskFactory indexTaskFactory)
void	setQueueEntryDao(IndexQueueEntryDao queueEntryDao)

Methods inherited from class java.lang.Object

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

Field Detail

log

public static final org.apache.log4j.Category log

Constructor Detail

DatabaseIndexTaskQueue

public DatabaseIndexTaskQueue()

Method Detail

enqueue

public void enqueue(IndexTask task)

Add a new index task to the queue.

Specified by:

enqueue in interface IndexTaskQueue

Parameters:

task -

enqueueAll

public void enqueueAll(Collection tasks)

Add a collection of index tasks to the queue.

Specified by:

enqueueAll in interface IndexTaskQueue

Parameters:

tasks -

getSize

public int getSize()

Retrieve the number of tasks currently queued.

Specified by:

getSize in interface IndexTaskQueue

Returns:

an int count of the number of index tasks in the queue.

getQueuedEntries

public List getQueuedEntries()

Retrieve the list of index tasks currently queued.

Specified by:

getQueuedEntries in interface IndexTaskQueue

Returns:

a list of IndexTask objects.

flushQueue

public List flushQueue()

Description copied from interface: IndexTaskQueue

Flush the contents of the queue, returning those elements currently queued as the result.

Specified by:

flushQueue in interface IndexTaskQueue

Returns:

the list of entries on the queue when it was flushed.

calculateLastFlushTime

public Date calculateLastFlushTime()

getExactLastFlushTimeFromDisk

public Date getExactLastFlushTimeFromDisk()

deleteOldEntries

public void deleteOldEntries()

Delete all entries older then 2 days from the database. This should be triggered by a regularly scheduled maintenance task.

reset

public void reset()

Reseting the queue removes all queued index tasks from the queue without flushing.

Specified by:

reset in interface IndexTaskQueue

setQueueEntryDao

public void setQueueEntryDao(IndexQueueEntryDao queueEntryDao)

setBootstrapManager

public void setBootstrapManager(BootstrapManager bootstrapManager)

setIndexTaskFactory

public void setIndexTaskFactory(IndexTaskFactory indexTaskFactory)