| /* |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * 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.revwalk; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.errors.IncorrectObjectTypeException; |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.lib.AnyObjectId; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.ObjectIdOwnerMap; |
| |
| /** Base object type accessed during revision walking. */ |
| public abstract class RevObject extends ObjectIdOwnerMap.Entry { |
| static final int PARSED = 1; |
| |
| int flags; |
| |
| RevObject(final AnyObjectId name) { |
| super(name); |
| } |
| |
| abstract void parseHeaders(RevWalk walk) throws MissingObjectException, |
| IncorrectObjectTypeException, IOException; |
| |
| abstract void parseBody(RevWalk walk) throws MissingObjectException, |
| IncorrectObjectTypeException, IOException; |
| |
| /** |
| * Get Git object type. See {@link Constants}. |
| * |
| * @return object type |
| */ |
| public abstract int getType(); |
| |
| /** |
| * Get the name of this object. |
| * |
| * @return unique hash of this object. |
| */ |
| public final ObjectId getId() { |
| return this; |
| } |
| |
| /** |
| * Test to see if the flag has been set on this object. |
| * |
| * @param flag |
| * the flag to test. |
| * @return true if the flag has been added to this object; false if not. |
| */ |
| public final boolean has(final RevFlag flag) { |
| return (flags & flag.mask) != 0; |
| } |
| |
| /** |
| * Test to see if any flag in the set has been set on this object. |
| * |
| * @param set |
| * the flags to test. |
| * @return true if any flag in the set has been added to this object; false |
| * if not. |
| */ |
| public final boolean hasAny(final RevFlagSet set) { |
| return (flags & set.mask) != 0; |
| } |
| |
| /** |
| * Test to see if all flags in the set have been set on this object. |
| * |
| * @param set |
| * the flags to test. |
| * @return true if all flags of the set have been added to this object; |
| * false if some or none have been added. |
| */ |
| public final boolean hasAll(final RevFlagSet set) { |
| return (flags & set.mask) == set.mask; |
| } |
| |
| /** |
| * Add a flag to this object. |
| * <p> |
| * If the flag is already set on this object then the method has no effect. |
| * |
| * @param flag |
| * the flag to mark on this object, for later testing. |
| */ |
| public final void add(final RevFlag flag) { |
| flags |= flag.mask; |
| } |
| |
| /** |
| * Add a set of flags to this object. |
| * |
| * @param set |
| * the set of flags to mark on this object, for later testing. |
| */ |
| public final void add(final RevFlagSet set) { |
| flags |= set.mask; |
| } |
| |
| /** |
| * Remove a flag from this object. |
| * <p> |
| * If the flag is not set on this object then the method has no effect. |
| * |
| * @param flag |
| * the flag to remove from this object. |
| */ |
| public final void remove(final RevFlag flag) { |
| flags &= ~flag.mask; |
| } |
| |
| /** |
| * Remove a set of flags from this object. |
| * |
| * @param set |
| * the flag to remove from this object. |
| */ |
| public final void remove(final RevFlagSet set) { |
| flags &= ~set.mask; |
| } |
| |
| @Override |
| public String toString() { |
| final StringBuilder s = new StringBuilder(); |
| s.append(Constants.typeString(getType())); |
| s.append(' '); |
| s.append(name()); |
| s.append(' '); |
| appendCoreFlags(s); |
| return s.toString(); |
| } |
| |
| /** |
| * @param s |
| * buffer to append a debug description of core RevFlags onto. |
| */ |
| protected void appendCoreFlags(final StringBuilder s) { |
| s.append((flags & RevWalk.TOPO_DELAY) != 0 ? 'o' : '-'); |
| s.append((flags & RevWalk.TEMP_MARK) != 0 ? 't' : '-'); |
| s.append((flags & RevWalk.REWRITE) != 0 ? 'r' : '-'); |
| s.append((flags & RevWalk.UNINTERESTING) != 0 ? 'u' : '-'); |
| s.append((flags & RevWalk.SEEN) != 0 ? 's' : '-'); |
| s.append((flags & RevWalk.PARSED) != 0 ? 'p' : '-'); |
| } |
| } |