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.reflect;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.aries.blueprint.mutable.MutableComponentMetadata;
  import org.osgi.service.blueprint.reflect.ComponentMetadata;
  
  /**
   * Implementation of ComponentMetadata
   *
   * @version $Rev$, $Date$
   */
  public class ComponentMetadataImpl implements MutableComponentMetadata {
  
      protected String id;
      protected int activation = ACTIVATION_EAGER;
      protected List<String> dependsOn;
  
      protected ComponentMetadataImpl() {
      }
      
      protected ComponentMetadataImpl(ComponentMetadata source) {
          id = source.getId();
          activation = source.getActivation();
          dependsOn = new ArrayList<String>(source.getDependsOn());
      }
      
      public String getId() {
          return id;
      }
  
      public void setId(String id) {
          this.id = id;
      }
  
      public int getActivation() {
          return activation;
      }
  
      public void setActivation(int activation) {
          this.activation = activation;
      }
  
      public List<String> getDependsOn() {
          if (this.dependsOn == null) {
              return Collections.emptyList();
          } else {
              return Collections.unmodifiableList(this.dependsOn);
          }
      }
  
      public void setDependsOn(List<String> dependsOn) {
          this.dependsOn = dependsOn != null ? new ArrayList<String>(dependsOn) : null;
      }
  
      public void addDependsOn(String explicitDependency) {
          if (this.dependsOn == null) {
              this.dependsOn = new ArrayList<String>();
          }
          this.dependsOn.add(explicitDependency);
      }
  
      public void removeDependsOn(String dependency) {
          if (this.dependsOn != null) {
              this.dependsOn.remove(dependency);
          }
      }
  }
  