/*
 * Copyright (C) 2011, Google Inc.
 * 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.storage.dht;

import org.eclipse.jgit.generated.storage.dht.proto.GitStore;

/**
 * Summary information about a chunk owned by a repository.
 */
public class ChunkInfo {
	/** Mixed objects are stored in the chunk (instead of single type). */
	public static final int OBJ_MIXED = 0;

	private final ChunkKey chunkKey;

	private final GitStore.ChunkInfo data;

	/**
	 * Wrap a ChunkInfo message.
	 *
	 * @param key
	 *            associated chunk key.
	 * @param data
	 *            data.
	 */
	public ChunkInfo(ChunkKey key, GitStore.ChunkInfo data) {
		this.chunkKey = key;
		this.data = data;
	}

	/** @return the repository that contains the chunk. */
	public RepositoryKey getRepositoryKey() {
		return chunkKey.getRepositoryKey();
	}

	/** @return the chunk this information describes. */
	public ChunkKey getChunkKey() {
		return chunkKey;
	}

	/** @return the underlying message containing all data. */
	public GitStore.ChunkInfo getData() {
		return data;
	}

	@Override
	public String toString() {
		StringBuilder b = new StringBuilder();
		b.append("ChunkInfo:");
		b.append(chunkKey);
		b.append("\n");
		b.append(data);
		return b.toString();
	}
}