/*
 * Copyright (C) 2010, Mathias Kinzler <mathias.kinzler@sap.com>
 * and other copyright owners as documented in the project's IP log.
 *
 * 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.api;

import org.eclipse.jgit.revwalk.RevCommit;

/**
 * The result of a {@link RebaseCommand} execution
 */
public class RebaseResult {
	/**
	 * The overall status
	 */
	public enum Status {
		/**
		 * Rebase was successful, HEAD points to the new commit
		 */
		OK,
		/**
		 * Aborted; the original HEAD was restored
		 */
		ABORTED,
		/**
		 * Stopped due to a conflict; must either abort or resolve or skip
		 */
		STOPPED,
		/**
		 * Already up-to-date
		 */
		UP_TO_DATE,
		/**
		 * Fast-forward, HEAD points to the new commit
		 */
		FAST_FORWARD;
	}

	static final RebaseResult UP_TO_DATE_RESULT = new RebaseResult(
			Status.UP_TO_DATE);

	private final Status mySatus;

	private final RevCommit currentCommit;

	RebaseResult(Status status) {
		this.mySatus = status;
		currentCommit = null;
	}

	RebaseResult(RevCommit commit) {
		this.mySatus = Status.STOPPED;
		currentCommit = commit;
	}

	/**
	 * @return the overall status
	 */
	public Status getStatus() {
		return mySatus;
	}

	/**
	 * @return the current commit if status is {@link Status#STOPPED}, otherwise
	 *         <code>null</code>
	 */
	public RevCommit getCurrentCommit() {
		return currentCommit;
	}
}