| // Copyright (C) 2013 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.googlesource.gerrit.plugins.reviewersbyblame; |
| |
| import com.google.gerrit.common.EventListener; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.IdentifiedUser; |
| import com.google.gerrit.server.config.PluginConfigFactory; |
| import com.google.gerrit.server.events.Event; |
| import com.google.gerrit.server.events.PatchSetCreatedEvent; |
| import com.google.gerrit.server.git.GitRepositoryManager; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.gerrit.server.project.NoSuchProjectException; |
| import com.google.gerrit.server.util.RequestContext; |
| import com.google.gerrit.server.util.ThreadLocalRequestContext; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.gwtorm.server.SchemaFactory; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.ProvisionException; |
| |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| class ChangeUpdatedListener implements EventListener { |
| |
| private static final Logger log = LoggerFactory |
| .getLogger(ChangeUpdatedListener.class); |
| |
| private final ReviewersByBlame.Factory reviewersByBlameFactory; |
| private final GitRepositoryManager repoManager; |
| private final WorkQueue workQueue; |
| private final IdentifiedUser.GenericFactory identifiedUserFactory; |
| private final ThreadLocalRequestContext tl; |
| private final SchemaFactory<ReviewDb> schemaFactory; |
| private final PluginConfigFactory cfg; |
| private final String pluginName; |
| private ReviewDb db; |
| |
| @Inject |
| ChangeUpdatedListener(final ReviewersByBlame.Factory reviewersByBlameFactory, |
| final GitRepositoryManager repoManager, final WorkQueue workQueue, |
| final IdentifiedUser.GenericFactory identifiedUserFactory, |
| final ThreadLocalRequestContext tl, |
| final SchemaFactory<ReviewDb> schemaFactory, |
| final PluginConfigFactory cfg, |
| final @PluginName String pluginName) { |
| this.reviewersByBlameFactory = reviewersByBlameFactory; |
| this.repoManager = repoManager; |
| this.workQueue = workQueue; |
| this.identifiedUserFactory = identifiedUserFactory; |
| this.tl = tl; |
| this.schemaFactory = schemaFactory; |
| this.cfg = cfg; |
| this.pluginName = pluginName; |
| } |
| |
| @Override |
| public void onEvent(Event event) { |
| if (!(event instanceof PatchSetCreatedEvent)) { |
| return; |
| } |
| PatchSetCreatedEvent e = (PatchSetCreatedEvent) event; |
| Project.NameKey projectName = new Project.NameKey(e.change.project); |
| |
| int maxReviewers; |
| try { |
| maxReviewers = |
| cfg.getFromProjectConfigWithInheritance(projectName, pluginName) |
| .getInt("maxReviewers", 3); |
| } catch (NoSuchProjectException x) { |
| log.error(x.getMessage(), x); |
| return; |
| } |
| if (maxReviewers <= 0) { |
| return; |
| } |
| |
| try (final Repository git = repoManager.openRepository(projectName)) { |
| try (final RevWalk rw = new RevWalk(git)) { |
| final ReviewDb reviewDb = schemaFactory.open(); |
| try { |
| Change.Id changeId = new Change.Id(Integer.parseInt(e.change.number)); |
| PatchSet.Id psId = new PatchSet.Id(changeId, Integer.parseInt(e.patchSet.number)); |
| PatchSet ps = reviewDb.patchSets().get(psId); |
| if (ps == null) { |
| log.warn("Patch set " + psId.get() + " not found."); |
| return; |
| } |
| |
| final Change change = reviewDb.changes().get(psId.getParentKey()); |
| if (change == null) { |
| log.warn("Change " + changeId.get() + " not found."); |
| return; |
| } |
| |
| final RevCommit commit = |
| rw.parseCommit(ObjectId.fromString(e.patchSet.revision)); |
| |
| final Runnable task = |
| reviewersByBlameFactory.create(commit, change, ps, maxReviewers, git); |
| |
| workQueue.getDefaultQueue().submit(new Runnable() { |
| @Override |
| public void run() { |
| RequestContext old = tl.setContext(new RequestContext() { |
| |
| @Override |
| public CurrentUser getUser() { |
| return identifiedUserFactory.create(change.getOwner()); |
| } |
| |
| @Override |
| public Provider<ReviewDb> getReviewDbProvider() { |
| return new Provider<ReviewDb>() { |
| @Override |
| public ReviewDb get() { |
| if (db == null) { |
| try { |
| db = schemaFactory.open(); |
| } catch (OrmException e) { |
| throw new ProvisionException("Cannot open ReviewDb", e); |
| } |
| } |
| return db; |
| } |
| }; |
| } |
| }); |
| try { |
| task.run(); |
| } finally { |
| tl.setContext(old); |
| if (db != null) { |
| db.close(); |
| db = null; |
| } |
| } |
| } |
| }); |
| } finally { |
| reviewDb.close(); |
| } |
| } |
| } catch (OrmException|IOException x) { |
| log.error(x.getMessage(), x); |
| } |
| } |
| |
| } |