| /* |
| * Copyright (C) 2012 The Guava Authors |
| * |
| * Licensed 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 com.google.common.collect; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import com.google.common.annotations.GwtIncompatible; |
| |
| /** |
| * An {@link ImmutableAsList} implementation specialized for when the delegate collection is already |
| * backed by an {@code ImmutableList} or array. |
| * |
| * @author Louis Wasserman |
| */ |
| @GwtCompatible(emulated = true) |
| @SuppressWarnings("serial") // uses writeReplace, not default serialization |
| class RegularImmutableAsList<E> extends ImmutableAsList<E> { |
| private final ImmutableCollection<E> delegate; |
| private final ImmutableList<? extends E> delegateList; |
| |
| RegularImmutableAsList(ImmutableCollection<E> delegate, ImmutableList<? extends E> delegateList) { |
| this.delegate = delegate; |
| this.delegateList = delegateList; |
| } |
| |
| RegularImmutableAsList(ImmutableCollection<E> delegate, Object[] array) { |
| this(delegate, ImmutableList.<E>asImmutableList(array)); |
| } |
| |
| RegularImmutableAsList(ImmutableCollection<E> delegate, Object[] array, int size) { |
| this(delegate, ImmutableList.<E>asImmutableList(array, size)); |
| } |
| |
| @Override |
| ImmutableCollection<E> delegateCollection() { |
| return delegate; |
| } |
| |
| ImmutableList<? extends E> delegateList() { |
| return delegateList; |
| } |
| |
| @SuppressWarnings("unchecked") // safe covariant cast! |
| @Override |
| public UnmodifiableListIterator<E> listIterator(int index) { |
| return (UnmodifiableListIterator<E>) delegateList.listIterator(index); |
| } |
| |
| @GwtIncompatible // not present in emulated superclass |
| @Override |
| int copyIntoArray(Object[] dst, int offset) { |
| return delegateList.copyIntoArray(dst, offset); |
| } |
| |
| @Override |
| Object[] internalArray() { |
| return delegateList.internalArray(); |
| } |
| |
| @Override |
| int internalArrayStart() { |
| return delegateList.internalArrayStart(); |
| } |
| |
| @Override |
| int internalArrayEnd() { |
| return delegateList.internalArrayEnd(); |
| } |
| |
| @Override |
| public E get(int index) { |
| return delegateList.get(index); |
| } |
| } |