/* * Copyright (C) 2010 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.Beta; import com.google.common.annotations.GwtCompatible; import java.util.NoSuchElementException; import javax.annotation.Nullable; /** * This class provides a skeletal implementation of the {@code Iterator} * interface for sequences whose next element can always be derived from the * previous element. Null elements are not supported, nor is the * {@link #remove()} method. * *
Example:
{@code * * Iterator* * @author Chris Povirk * @since 8.0 */ @Beta @GwtCompatible public abstract class AbstractLinkedIteratorpowersOfTwo = new AbstractLinkedIterator (1) { * protected Integer computeNext(Integer previous) { * return (previous == 1 << 30) ? null : previous * 2; * } * };}