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commons-collections4-4.4-sources.jar - Apache Commons Collections
commons-collections4-4.4-sources.jar is the source JAR file for Apache Commons Collections 4.2, which provides additional collection handling functionalities on top of JDK library.
JAR File Size and Download Location:
JAR name: commons-collections4-4.4-sources.jar Target JDK version: 8 Dependency: None File size: 715,541 bytes Release date: 05-Jul-2019 Download: Apache Commons Collections
✍: FYIcenter.com
⏎ org/apache/commons/collections4/iterators/SingletonIterator.java
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.commons.collections4.iterators; import java.util.NoSuchElementException; import org.apache.commons.collections4.ResettableIterator; /** * <code>SingletonIterator</code> is an {@link java.util.Iterator} over a single * object instance. * * @since 2.0 */ public class SingletonIterator<E> implements ResettableIterator<E> { /** Whether remove is allowed */ private final boolean removeAllowed; /** Is the cursor before the first element */ private boolean beforeFirst = true; /** Has the element been removed */ private boolean removed = false; /** The object */ private E object; /** * Constructs a new <code>SingletonIterator</code> where <code>remove</code> * is a permitted operation. * * @param object the single object to return from the iterator */ public SingletonIterator(final E object) { this(object, true); } /** * Constructs a new <code>SingletonIterator</code> optionally choosing if * <code>remove</code> is a permitted operation. * * @param object the single object to return from the iterator * @param removeAllowed true if remove is allowed * @since 3.1 */ public SingletonIterator(final E object, final boolean removeAllowed) { super(); this.object = object; this.removeAllowed = removeAllowed; } //----------------------------------------------------------------------- /** * Is another object available from the iterator? * <p> * This returns true if the single object hasn't been returned yet. * * @return true if the single object hasn't been returned yet */ @Override public boolean hasNext() { return beforeFirst && !removed; } /** * Get the next object from the iterator. * <p> * This returns the single object if it hasn't been returned yet. * * @return the single object * @throws NoSuchElementException if the single object has already * been returned */ @Override public E next() { if (!beforeFirst || removed) { throw new NoSuchElementException(); } beforeFirst = false; return object; } /** * Remove the object from this iterator. * * @throws IllegalStateException if the {@code next} method has not * yet been called, or the {@code remove} method has already * been called after the last call to the {@code next} * method. * @throws UnsupportedOperationException if remove is not supported */ @Override public void remove() { if (removeAllowed) { if (removed || beforeFirst) { throw new IllegalStateException(); } object = null; removed = true; } else { throw new UnsupportedOperationException(); } } /** * Reset the iterator to the start. */ @Override public void reset() { beforeFirst = true; } }
⏎ org/apache/commons/collections4/iterators/SingletonIterator.java
Or download all of them as a single archive file:
File name: commons-collections4-4.4-sources.jar File size: 715541 bytes Release date: 2019-07-05 Download
⇒ Download and Install commons-collections4-4.2-bin.zip
⇐ What Is commons-collections4-4.4.jar
2020-12-15, 101257👍, 0💬
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