| // Copyright (C) 2009 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.server.patch; |
| |
| import static com.google.gerrit.server.ioutil.BasicSerialization.readEnum; |
| import static com.google.gerrit.server.ioutil.BasicSerialization.writeEnum; |
| import static org.eclipse.jgit.lib.ObjectIdSerialization.readCanBeNull; |
| import static org.eclipse.jgit.lib.ObjectIdSerialization.readNotNull; |
| import static org.eclipse.jgit.lib.ObjectIdSerialization.writeCanBeNull; |
| import static org.eclipse.jgit.lib.ObjectIdSerialization.writeNotNull; |
| |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.reviewdb.client.AccountDiffPreference.Whitespace; |
| import com.google.gerrit.reviewdb.client.Project; |
| |
| import org.eclipse.jgit.lib.AnyObjectId; |
| import org.eclipse.jgit.lib.ObjectId; |
| |
| import java.io.IOException; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| |
| public class PatchListKey implements Serializable { |
| static final long serialVersionUID = 17L; |
| |
| private transient ObjectId oldId; |
| private transient ObjectId newId; |
| private transient Whitespace whitespace; |
| |
| transient Project.NameKey projectKey; // not required to form the key |
| |
| public PatchListKey(final Project.NameKey pk, final AnyObjectId a, |
| final AnyObjectId b, final Whitespace ws) { |
| projectKey = pk; |
| oldId = a != null ? a.copy() : null; |
| newId = b.copy(); |
| whitespace = ws; |
| } |
| |
| /** Old side commit, or null to assume ancestor or combined merge. */ |
| @Nullable |
| public ObjectId getOldId() { |
| return oldId; |
| } |
| |
| /** New side commit name. */ |
| public ObjectId getNewId() { |
| return newId; |
| } |
| |
| public Whitespace getWhitespace() { |
| return whitespace; |
| } |
| |
| @Override |
| public int hashCode() { |
| int h = 0; |
| |
| if (oldId != null) { |
| h = h * 31 + oldId.hashCode(); |
| } |
| |
| h = h * 31 + newId.hashCode(); |
| h = h * 31 + whitespace.name().hashCode(); |
| |
| return h; |
| } |
| |
| @Override |
| public boolean equals(final Object o) { |
| if (o instanceof PatchListKey) { |
| final PatchListKey k = (PatchListKey) o; |
| return eq(oldId, k.oldId) // |
| && eq(newId, k.newId) // |
| && whitespace == k.whitespace; |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder n = new StringBuilder(); |
| n.append("PatchListKey["); |
| if (projectKey != null) { |
| n.append(projectKey.get()); |
| n.append(" "); |
| } |
| n.append(oldId != null ? oldId.name() : "BASE"); |
| n.append(".."); |
| n.append(newId.name()); |
| n.append(" "); |
| n.append(whitespace.name()); |
| n.append("]"); |
| return n.toString(); |
| } |
| |
| private static boolean eq(final ObjectId a, final ObjectId b) { |
| if (a == null && b == null) { |
| return true; |
| } |
| return a != null && b != null && AnyObjectId.equals(a, b); |
| } |
| |
| private void writeObject(final ObjectOutputStream out) throws IOException { |
| writeCanBeNull(out, oldId); |
| writeNotNull(out, newId); |
| writeEnum(out, whitespace); |
| } |
| |
| private void readObject(final ObjectInputStream in) throws IOException { |
| oldId = readCanBeNull(in); |
| newId = readNotNull(in); |
| whitespace = readEnum(in, Whitespace.values()); |
| } |
| } |