123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126 |
- /*
- * 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.file;
-
- import java.io.File;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- import java.util.Collections;
- import java.util.HashSet;
- import java.util.List;
- import java.util.Set;
-
- import org.eclipse.jgit.lib.ObjectId;
- import org.eclipse.jgit.storage.pack.CachedPack;
- import org.eclipse.jgit.storage.pack.PackOutputStream;
-
- class LocalCachedPack extends CachedPack {
- private final ObjectDirectory odb;
-
- private final Set<ObjectId> tips;
-
- private final String[] packNames;
-
- LocalCachedPack(ObjectDirectory odb, Set<ObjectId> tips,
- List<String> packNames) {
- this.odb = odb;
-
- if (tips.size() == 1)
- this.tips = Collections.singleton(tips.iterator().next());
- else
- this.tips = Collections.unmodifiableSet(tips);
-
- this.packNames = packNames.toArray(new String[packNames.size()]);
- }
-
- @Override
- public Set<ObjectId> getTips() {
- return tips;
- }
-
- @Override
- public long getObjectCount() throws IOException {
- long cnt = 0;
- for (String packName : packNames)
- cnt += getPackFile(packName).getObjectCount();
- return cnt;
- }
-
- void copyAsIs(PackOutputStream out, WindowCursor wc) throws IOException {
- for (String packName : packNames)
- getPackFile(packName).copyPackAsIs(out, wc);
- }
-
- @Override
- public <T extends ObjectId> Set<ObjectId> hasObject(Iterable<T> toFind)
- throws IOException {
- PackFile[] packs = new PackFile[packNames.length];
- for (int i = 0; i < packNames.length; i++)
- packs[i] = getPackFile(packNames[i]);
-
- Set<ObjectId> have = new HashSet<ObjectId>();
- for (ObjectId id : toFind) {
- for (PackFile pack : packs) {
- if (pack.hasObject(id)) {
- have.add(id);
- break;
- }
- }
- }
- return have;
- }
-
- private PackFile getPackFile(String packName) throws FileNotFoundException {
- for (PackFile pack : odb.getPacks()) {
- if (packName.equals(pack.getPackName()))
- return pack;
- }
- throw new FileNotFoundException(getPackFilePath(packName));
- }
-
- private String getPackFilePath(String packName) {
- final File packDir = new File(odb.getDirectory(), "pack");
- return new File(packDir, "pack-" + packName + ".pack").getPath();
- }
- }
|