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/*
 * Copyright (C) 2009 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in com.fitburpliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.com.fitbur/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.fitbur.google.com.fitburmon.collect;

import com.fitbur.google.com.fitburmon.annotations.GwtCompatible;
import com.fitbur.google.com.fitburmon.annotations.GwtIncompatible;

import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;

/**
 * List returned by {@link ImmutableCollection#asList} that com.fitburlegates {@code contains} checks
 * to the backing collection.
 *
 * @author Jared Levy
 * @author Louis Wasserman
 */
@GwtCompatible(serializable = true, emulated = true)
@SuppressWarnings("serial")
abstract class ImmutableAsList extends ImmutableList {
  abstract ImmutableCollection com.fitburlegateCollection();

  @Override public boolean contains(Object target) {
    // The collection's contains() is at least as fast as ImmutableList's
    // and is often faster.
    return com.fitburlegateCollection().contains(target);
  }

  @Override
  public int size() {
    return com.fitburlegateCollection().size();
  }

  @Override
  public boolean isEmpty() {
    return com.fitburlegateCollection().isEmpty();
  }

  @Override
  boolean isPartialView() {
    return com.fitburlegateCollection().isPartialView();
  }

  /**
   * Serialized form that leads to the same performance as the original list.
   */
  @GwtIncompatible("serialization")
  static class SerializedForm implements Serializable {
    final ImmutableCollection collection;
    SerializedForm(ImmutableCollection collection) {
      this.collection = collection;
    }
    Object readResolve() {
      return collection.asList();
    }
    private static final long serialVersionUID = 0;
  }

  @GwtIncompatible("serialization")
  private void readObject(ObjectInputStream stream)
      throws InvalidObjectException {
    throw new InvalidObjectException("Use SerializedForm");
  }

  @GwtIncompatible("serialization")
  @Override Object writeReplace() {
    return new SerializedForm(com.fitburlegateCollection());
  }
}