com.jalios.jcms
Class ChannelListener

java.lang.Object
  com.jalios.jcms.ChannelListener

All Implemented Interfaces:

PluginComponent, Comparable

Direct Known Subclasses:

DerbyManager

public abstract class ChannelListener
extends Object
implements Comparable, PluginComponent

A listener called during the Channel life cycle.

Since:

jcms-2.1

Version:

$Revision: 21503 $

Author:

Olivier Dedieu

Field Summary

protected int	order
static String	REVISION

Constructor Summary

ChannelListener()
Constructs a ChannelListener with order = 0

ChannelListener(int order)
Constructs a ChannelListener with the given order

Method Summary

int	compareTo(Object obj) Compare this object with the specified object for order.
boolean	equals(Object obj) Indicates wheter some other object is "equal to" this one.
abstract void	handleFinalize() Called when the channel is finalized
boolean	init(Plugin plugin) Initialize the component with the given plugin configuration
abstract void	initAfterStoreLoad() Called just after the store has been loaded and the channel has been initialized.
abstract void	initBeforeStoreLoad() Called just before the store has been loaded.

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final String REVISION

See Also:

Constant Field Values

order

protected int order

Constructor Detail

ChannelListener

public ChannelListener()

Constructs a ChannelListener with order = 0

Since:

jcms-5.0.0

ChannelListener

public ChannelListener(int order)

Constructs a ChannelListener with the given order

Parameters:

order - the order

Since:

jcms-5.5.0

Method Detail

compareTo

public int compareTo(Object obj)

Compare this object with the specified object for order.

Specified by:

compareTo in interface Comparable

Parameters:

obj - the Object to be compared.

See Also:

Comparable.compareTo(java.lang.Object)

equals

public boolean equals(Object obj)

Indicates wheter some other object is "equal to" this one. The comparison is performed with compareTo() method.

Overrides:

equals in class Object

Parameters:

obj - the Object to be compared.

init

public boolean init(Plugin plugin)

Description copied from interface: PluginComponent

Initialize the component with the given plugin configuration

Specified by:

init in interface PluginComponent

Parameters:

plugin - the calling plugin

Returns:

true if the conponent has been correctly initialized.

handleFinalize

public abstract void handleFinalize()

Called when the channel is finalized

Since:

jcms-2.1

initBeforeStoreLoad

public abstract void initBeforeStoreLoad()
                                  throws Exception

Called just before the store has been loaded. If for any reason you want to interrupt JCMS startup, you can throw an exception. The exception's message will be displayed in JCMS status page (to any user!).

Throws:

Exception - any exception you may want to throw if a problem occurs needing to interrupt JCMS startup.

Since:

jcms-5.7.0

initAfterStoreLoad

public abstract void initAfterStoreLoad()
                                 throws Exception

Called just after the store has been loaded and the channel has been initialized. If for any reason you want to interrupt JCMS startup, you can throw an exception. The exception's message will be displayed in JCMS status page (to any user!).

Throws:

Exception - any exception you may want to throw if a problem occurs needing to interrupt JCMS startup.

Since:

jcms-5.7.0