| // 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; |
| } |
| } |