forked from dmlloyd/protoglop
/
Listener.java
62 lines (55 loc) · 2 KB
/
Listener.java
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/*
* JBoss, Home of Professional Open Source
* Copyright 2008, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mgmt.annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import org.jboss.mgmt.Resource;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.CLASS;
/**
* A listener on an attribute or resource.
*/
@Retention(CLASS)
@Target({TYPE, METHOD})
public @interface Listener {
/**
* The listener type.
*
* @return the listener type
*/
Class<?> value();
/**
* The run level at which the listener applies. In order to transition between run levels, all
* matching listeners must be invoked successfully.
*
* @return the run level
*/
RunLevel runLevel() default RunLevel.RUNNING;
/**
* The resource root under which this listener applies. This listener will
* not execute under any other root.
*
* @return the resource root
*/
Class<? extends Resource> root() default Resource.class;
}