jgit/org.eclipse.jgit/src/org/eclipse/jgit/util/Holder.java

/*
 * Copyright (C) 2015, Ivan Motsch <ivan.motsch@bsiag.com>
 *
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Distribution License v1.0 which
 * accompanies this distribution, is reproduced below, and is
 * available at http://www.eclipse.org/org/documents/edl-v10.php
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Eclipse Foundation, Inc. nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.eclipse.jgit.util;

/**
 * Holder of an object.
 *
 * @param <T>
 *            the type of value held by this {@link org.eclipse.jgit.util.Holder}
 * @since 4.3
 */
public class Holder<T> {
	private T value;

	/**
	 * <p>Constructor for Holder.</p>
	 *
	 * @param value
	 *            is the initial value that is {@link #set(Object)}
	 */
	public Holder(T value) {
		set(value);
	}

	/**
	 * Get the value held by this {@link org.eclipse.jgit.util.Holder}
	 *
	 * @return the value held by this {@link org.eclipse.jgit.util.Holder}
	 */
	public T get() {
		return value;
	}

	/**
	 * Set a new value held by this {@link org.eclipse.jgit.util.Holder}
	 *
	 * @param value
	 *            to be set as new value held by this
	 *            {@link org.eclipse.jgit.util.Holder}
	 */
	public void set(T value) {
		this.value = value;
	}
}