| /* |
| * Copyright (C) 2016, 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.internal.storage.reftree; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.lib.ObjectIdRef; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.RefDatabase; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.lib.Repository; |
| |
| /** Update that always rejects with {@code LOCK_FAILURE}. */ |
| class AlwaysFailUpdate extends RefUpdate { |
| private final RefTreeDatabase refdb; |
| |
| AlwaysFailUpdate(RefTreeDatabase refdb, String name) { |
| super(new ObjectIdRef.Unpeeled(Ref.Storage.NEW, name, null)); |
| this.refdb = refdb; |
| setCheckConflicting(false); |
| } |
| |
| @Override |
| protected RefDatabase getRefDatabase() { |
| return refdb; |
| } |
| |
| @Override |
| protected Repository getRepository() { |
| return refdb.getRepository(); |
| } |
| |
| @Override |
| protected boolean tryLock(boolean deref) throws IOException { |
| return false; |
| } |
| |
| @Override |
| protected void unlock() { |
| // No locks are held here. |
| } |
| |
| @Override |
| protected Result doUpdate(Result desiredResult) { |
| return Result.LOCK_FAILURE; |
| } |
| |
| @Override |
| protected Result doDelete(Result desiredResult) { |
| return Result.LOCK_FAILURE; |
| } |
| |
| @Override |
| protected Result doLink(String target) { |
| return Result.LOCK_FAILURE; |
| } |
| } |