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;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class CallbackTracker {
  
      private static List<Callback> callbacks = new ArrayList<Callback>();
      
      public static void add(Callback callback) {
          callbacks.add(callback);
      }
      
      public static List<Callback> getCallbacks() {
          return callbacks;
      }
      
      public static void clear() {
          callbacks.clear();
      }
      
      public static class Callback {
          
          public static int INIT = 1;
          public static int DESTROY = 2;
          
          private Object object;
          private int type;
          
          public Callback(int type, Object object) {
              this.type = type;
              this.object = object;
          }        
          
          public int getType() {
              return type;
          }
          
          public Object getObject() {
              return object;
          }
          
          public String toString() {
              return type + " " + object;
          }
          
      }
  }
  