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Java example source code file (GwtSerializationDependencies.java)

This example Java source code file (GwtSerializationDependencies.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

annotation, assertionerror, gwtcompatible, gwtserializationdependencies, object, optional, optionaldependencies, override, set, string, util

The GwtSerializationDependencies.java Java example source code

/*
 * Copyright (C) 2009 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.base;

import com.google.common.annotations.GwtCompatible;

import java.util.Set;

import javax.annotation.Nullable;

/**
 * Contains dummy collection implementations to convince GWT that part of
 * serializing a collection is serializing its elements.
 *
 * <p>See {@linkplain com.google.common.collect.GwtSerializationDependencies the
 * com.google.common.collect version} for more details.
 *
 * @author Chris Povirk
 */
@GwtCompatible
final class GwtSerializationDependencies {
  private GwtSerializationDependencies() {}

  static final class OptionalDependencies<T> extends Optional {
    T value;

    OptionalDependencies() {
      super();
    }

    @Override
    public boolean isPresent() {
      throw new AssertionError();
    }

    @Override
    public T get() {
      throw new AssertionError();
    }

    @Override
    public T or(T defaultValue) {
      throw new AssertionError();
    }

    @Override
    public Optional<T> or(Optional secondChoice) {
      throw new AssertionError();
    }

    @Override
    public T or(Supplier<? extends T> supplier) {
      throw new AssertionError();
    }

    @Override
    public T orNull() {
      throw new AssertionError();
    }

    @Override
    public Set<T> asSet() {
      throw new AssertionError();
    }

    @Override
    public <V> Optional transform(Function function) {
      throw new AssertionError();
    }

    @Override
    public boolean equals(@Nullable Object object) {
      throw new AssertionError();
    }

    @Override
    public int hashCode() {
      throw new AssertionError();
    }

    @Override
    public String toString() {
      throw new AssertionError();
    }
  }
}

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