org.mule.util.queue
Class FilePersistenceStrategy

java.lang.Object
  org.mule.util.queue.FilePersistenceStrategy

All Implemented Interfaces:

MuleContextAware, QueuePersistenceStrategy

Direct Known Subclasses:

EventFilePersistenceStrategy

public class FilePersistenceStrategy
extends Object
implements QueuePersistenceStrategy, MuleContextAware

Nested Class Summary

protected static class

FilePersistenceStrategy.HolderImpl

Nested classes/interfaces inherited from interface org.mule.util.queue.QueuePersistenceStrategy

QueuePersistenceStrategy.Holder

Field Summary

static String	DEFAULT_QUEUE_STORE The default queueStore directory for persistence
static String	EXTENSION
protected MuleContext	muleContext

Constructor Summary

FilePersistenceStrategy()

Method Summary

void	close() Closes the store.
protected String	getId(Object obj)
boolean	isTransient()
Object	load(String queue, Object id) Loads an object specified by the given id.
void	open() Open the store.
void	remove(String queue, Object id) Removes the object specified by the given id from the store.
List	restore() Retrieves the ids of the stored objects.
protected void	restoreFiles(File dir, List msgs)
void	setMuleContext(MuleContext context)
Object	store(String queue, Object obj) Stores an object and returns its generated id.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_QUEUE_STORE

public static final String DEFAULT_QUEUE_STORE

The default queueStore directory for persistence

See Also:

Constant Field Values

EXTENSION

public static final String EXTENSION

See Also:

Constant Field Values

muleContext

protected MuleContext muleContext

Constructor Detail

FilePersistenceStrategy

public FilePersistenceStrategy()

Method Detail

setMuleContext

public void setMuleContext(MuleContext context)

Specified by:

setMuleContext in interface MuleContextAware

getId

protected String getId(Object obj)

store

public Object store(String queue,
                    Object obj)
             throws IOException

Description copied from interface: QueuePersistenceStrategy

Stores an object and returns its generated id.

Specified by:

store in interface QueuePersistenceStrategy

obj - the object to be stored

Returns:

the id of the stored object

Throws:

IOException

remove

public void remove(String queue,
                   Object id)
            throws IOException

Description copied from interface: QueuePersistenceStrategy

Removes the object specified by the given id from the store.

Specified by:

remove in interface QueuePersistenceStrategy

id - the id of the stored object

Throws:

IOException

load

public Object load(String queue,
                   Object id)
            throws IOException

Description copied from interface: QueuePersistenceStrategy

Loads an object specified by the given id.

Specified by:

load in interface QueuePersistenceStrategy

id - the id of the stored object

Returns:

the object

Throws:

IOException

restore

public List restore()
             throws IOException

Description copied from interface: QueuePersistenceStrategy

Retrieves the ids of the stored objects.

Specified by:

restore in interface QueuePersistenceStrategy

Returns:

the list of ids

Throws:

IOException

restoreFiles

protected void restoreFiles(File dir,
                            List msgs)
                     throws IOException,
                            ClassNotFoundException

Throws:

IOException

ClassNotFoundException

open

public void open()
          throws IOException

Description copied from interface: QueuePersistenceStrategy

Open the store.

Specified by:

open in interface QueuePersistenceStrategy

Throws:

IOException

close

public void close()
           throws IOException

Description copied from interface: QueuePersistenceStrategy

Closes the store.

Specified by:

close in interface QueuePersistenceStrategy

Throws:

IOException

isTransient

public boolean isTransient()

Specified by:

isTransient in interface QueuePersistenceStrategy