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 java.lang.reflect.Method;
  
  import org.apache.aries.blueprint.Interceptor;
  import org.osgi.service.blueprint.reflect.ComponentMetadata;
  
  public class QuiesceInterceptor implements Interceptor {
  
      private ServiceRecipe serviceRecipe;
  
      public QuiesceInterceptor(ServiceRecipe serviceRecipe) {
          this.serviceRecipe = serviceRecipe;
      }
  
      public Object preCall(ComponentMetadata cm, Method m, Object... parameters) throws Throwable {
          serviceRecipe.incrementActiveCalls();
  
          return null;
      }
  
      public void postCallWithReturn(ComponentMetadata cm, Method m, Object returnType, Object preCallToken) throws Throwable {
          serviceRecipe.decrementActiveCalls();
      }
  
      public void postCallWithException(ComponentMetadata cm, Method m, Throwable ex, Object preCallToken) throws Throwable {
          serviceRecipe.decrementActiveCalls();
      }
  
      public int getRank() {
          return 0;
      }
  }
  