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// 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.data.PatchScriptSettings.Whitespace;
import com.google.gerrit.reviewdb.Project;
import com.google.gerrit.server.config.Nullable;
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 = 9L;
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;
}
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());
}
}
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