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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.aries.blueprint.container;
import org.apache.aries.blueprint.di.Recipe;
/**
* Interface used to describe an object which can satisfy a constraint or not.
*
* If the state of the object changes, registered SatisfactionListener objects
* will be notified of the change.
*
* @version $Rev$, $Date$
*/
public interface SatisfiableRecipe extends Recipe {
/**
* A listener that will be notified when the constraint satisfaction changes.
*
* @version $Rev$, $Date$
*/
public interface SatisfactionListener {
void notifySatisfaction(SatisfiableRecipe satisfiable);
}
void start(SatisfactionListener listener);
void stop();
boolean isSatisfied();
String getOsgiFilter();
}