com.google.gerrit.server.query.change.IsMergePredicate Maven / Gradle / Ivy
// Copyright (C) 2015 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.query.change;
import com.google.gerrit.server.git.CodeReviewCommit;
import com.google.gerrit.server.query.change.ChangeQueryBuilder.Arguments;
import com.google.gwtorm.server.OrmException;
import java.io.IOException;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
public class IsMergePredicate extends ChangeOperatorPredicate {
private final Arguments args;
public IsMergePredicate(Arguments args, String value) {
super(ChangeQueryBuilder.FIELD_MERGE, value);
this.args = args;
}
@Override
public boolean match(ChangeData cd) throws OrmException {
ObjectId id = ObjectId.fromString(cd.currentPatchSet().getRevision().get());
try (Repository repo = args.repoManager.openRepository(cd.change().getProject());
RevWalk rw = CodeReviewCommit.newRevWalk(repo)) {
RevCommit commit = rw.parseCommit(id);
return commit.getParentCount() > 1;
} catch (IOException e) {
throw new OrmException(e);
}
}
@Override
public int getCost() {
return 2;
}
}