001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.internal;
014
015import java.util.*;
016
017import org.apache.juneau.*;
018
019/**
020 * Represents a wrapped {@link Collection} where entries in the list can be removed or reordered without affecting the
021 * underlying list.
022 * 
023 * @param <T> The class type of the wrapped bean.
024 */
025public class DelegateList<T extends Collection<?>> extends ObjectList implements Delegate<T> {
026   private static final long serialVersionUID = 1L;
027
028   private final ClassMeta<T> classMeta;
029
030   /**
031    * Constructor.
032    * 
033    * @param classMeta The data type represented by this delegate.
034    */
035   public DelegateList(ClassMeta<T> classMeta) {
036      if (classMeta.isArray())
037         classMeta = classMeta.getBeanContext().getClassMeta(List.class, classMeta.getElementType());
038      this.classMeta = classMeta;
039   }
040
041   @Override /* Delegate */
042   public ClassMeta<T> getClassMeta() {
043      return classMeta;
044   }
045}