// Copyright (C) 2016 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.gerrit.reviewdb.server.ReviewDb;
import com.google.gerrit.server.config.AllProjectsName;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.notedb.NotesMigration;
import com.google.gerrit.server.notedb.RepoSequence;
import com.google.gwtorm.server.OrmException;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;

@Singleton
public class Sequences {
  private final Provider<ReviewDb> db;
  private final NotesMigration migration;
  private final RepoSequence changeSeq;

  @Inject
  Sequences(Provider<ReviewDb> db,
      NotesMigration migration,
      GitRepositoryManager repoManager,
      AllProjectsName allProjects) {
    this.db = db;
    this.migration = migration;
    changeSeq = new RepoSequence(
        repoManager, allProjects, "changes", ReviewDb.FIRST_CHANGE_ID, 100);
  }

  @SuppressWarnings("deprecation")
  public int nextChangeId() throws OrmException {
    if (migration.readChanges()) {
      return changeSeq.next();
    } else {
      return db.get().nextChangeId();
    }
  }
}

@@ -711,1006 +711,525 @@
 le.g
-errit.server.config.AllProjectsName;%0Aimport com.google.gerrit.server.git.GitRepositoryManager;%0Aimport com.google.gerrit.server.notedb.NotesMigration;%0Aimport com.google.gerrit.server.notedb.RepoSequence;%0Aimport com.google.gwtorm.server.OrmException;%0Aimport com.google.inject.Inject;%0Aimport com.google.inject.Provider;%0Aimport com.google.inject.Singleton;%0A%0A@Singleton%0Apublic class Sequences %7B%0A  private final Provider%3CReviewDb%3E db;%0A  private final NotesMigration migration;%0A  private final RepoSequence changeSeq;%0A%0A  @Inject%0A  Sequences(Provider%3CReviewDb%3E db,%0A      NotesMigration migration,%0A      GitRepositoryManager repoManager,%0A      AllProjectsName allProjects) %7B%0A    this.db = db;%0A    this.migration = migration;%0A    changeSeq = new RepoSequence(%0A        repoManager, allProjects, %22changes%22, ReviewDb.FIRST_CHANGE_ID, 100);%0A  %7D%0A%0A  @SuppressWarnings(%22deprecation%22)%0A  public int nextChangeId() throws OrmException %7B%0A    if (migration.readChanges()) %7B%0A      return changeSeq.next();%0A    %7D else %7B%0A  
+wtorm.server.OrmException;%0Aimport com.google.inject.Inject;%0Aimport com.google.inject.Provider;%0Aimport com.google.inject.Singleton;%0A%0A@Singleton%0Apublic class Sequences %7B%0A  private final Provider%3CReviewDb%3E db;%0A%0A  @Inject%0A  Sequences(Provider%3CReviewDb%3E db) %7B%0A    this.db = db;%0A  %7D%0A%0A  @SuppressWarnings(%22deprecation%22)%0A  public int nextChangeId() throws OrmException %7B%0A    // TODO(dborowitz): Use repo sequence when we have ability to turn off%0A    // ReviewDb entirely. Until then it's simpler to just keep using ReviewDb.%0A
     
@@ -1264,14 +1264,8 @@
 ();%0A
-    %7D%0A
   %7D%0A

Disable reading sequences from NoteDb