001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.juneau.marshall.internal;
018
019import java.util.*;
020
021import org.apache.juneau.commons.bean.*;
022import org.apache.juneau.marshall.*;
023import org.apache.juneau.marshall.collections.*;
024
025/**
026 * Represents a wrapped {@link Collection} where entries in the list can be removed or reordered without affecting the
027 * underlying list.
028 *
029 *
030 * @param <T> The class type of the wrapped bean.
031 * @serial exclude
032 */
033@SuppressWarnings({
034   "java:S110" // Inheritance depth acceptable for DelegateList hierarchy
035})
036public class DelegateList<T extends Collection<?>> extends JsonList implements Delegate<T> {
037   private static final long serialVersionUID = 1L;
038
039   private final transient ClassMeta<T> classMeta;
040
041   /**
042    * Constructor.
043    *
044    * @param classMeta The data type represented by this delegate.
045    */
046   public DelegateList(ClassMeta<T> classMeta) {
047      if (classMeta.isArray())
048         classMeta = classMeta.getMarshallingContext().<T>getClassMeta(List.class, classMeta.getElementType());
049      this.classMeta = classMeta;
050   }
051
052   @Override
053   public boolean equals(Object o) {
054      return this == o || (o instanceof List<?> o2 && super.equals(o2));
055   }
056
057   @Override
058   public int hashCode() {
059      return super.hashCode();
060   }
061
062   @Override /* Overridden from Delegate */
063   public ClassMeta<T> getBeanInfo() { return classMeta; }
064}