content: /*
   * 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();
  
      boolean isStaticLifecycle();
  
  }
  