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
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 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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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;
    }
}