| // Copyright (C) 2014 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; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.gerrit.reviewdb.client.ChangeMessage; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.notedb.ChangeNotes; |
| import com.google.gerrit.server.notedb.ChangeUpdate; |
| import com.google.gerrit.server.notedb.NotesMigration; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Utility functions to manipulate ChangeMessages. |
| * <p> |
| * These methods either query for and update ChangeMessages in the NoteDb or |
| * ReviewDb, depending on the state of the NotesMigration. |
| */ |
| @Singleton |
| public class ChangeMessagesUtil { |
| private static List<ChangeMessage> sortChangeMessages( |
| Iterable<ChangeMessage> changeMessage) { |
| return ChangeNotes.MESSAGE_BY_TIME.sortedCopy(changeMessage); |
| } |
| |
| private final NotesMigration migration; |
| |
| @VisibleForTesting |
| @Inject |
| public ChangeMessagesUtil(NotesMigration migration) { |
| this.migration = migration; |
| } |
| |
| public List<ChangeMessage> byChange(ReviewDb db, ChangeNotes notes) throws OrmException { |
| if (!migration.readChanges()) { |
| return |
| sortChangeMessages(db.changeMessages().byChange(notes.getChangeId())); |
| } else { |
| return sortChangeMessages(notes.load().getChangeMessages().values()); |
| } |
| } |
| |
| public Iterable<ChangeMessage> byPatchSet(ReviewDb db, ChangeNotes notes, |
| PatchSet.Id psId) throws OrmException { |
| if (!migration.readChanges()) { |
| return db.changeMessages().byPatchSet(psId); |
| } |
| return notes.load().getChangeMessages().get(psId); |
| } |
| |
| public void addChangeMessage(ReviewDb db, ChangeUpdate update, |
| ChangeMessage changeMessage) throws OrmException { |
| update.setChangeMessage(changeMessage.getMessage()); |
| db.changeMessages().insert(Collections.singleton(changeMessage)); |
| } |
| } |