org.apache.felix.servicebinder/src/main/java/org/apache/felix/servicebinder/Lifecycle.java

/*
 *   Copyright 2006 The Apache Software Foundation
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */
package org.apache.felix.servicebinder;

/**
 * Instances created by the service binder, either via the
 * <tt>GenericActivator</tt> or the <tt>GenericFactory</tt>,
 * may implement this interface to receive notification of
 * object life cycle events. See each interface method for
 * a precise description of when the method is invoked.
 * 
 * @author <a href="mailto:felix-dev@incubator.apache.org">Felix Project Team</a>
**/
public interface Lifecycle
{
    /**
     * This method is called after the instance is created, all of its
     * dependencies are valid, and all implemented services are registered.
    **/
    public void activate();

    /**
     * This method is called prior to instance disposal. At the time
     * of invocation, all dependencies are still valid and all services
     * are still registered. Be aware that at this point some dependent
     * services may have been shutdown and using them may result in
     * error conditions.
    **/
    public void deactivate();
}