| // 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.git; |
| |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.server.ChangeAccess; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.reviewdb.server.ReviewDbWrapper; |
| import com.google.gwtorm.server.AtomicUpdate; |
| |
| public class BatchUpdateReviewDb extends ReviewDbWrapper { |
| private final ChangeAccess changesWrapper; |
| |
| BatchUpdateReviewDb(ReviewDb delegate) { |
| super(delegate); |
| changesWrapper = new BatchUpdateChanges(delegate.changes()); |
| } |
| |
| public ReviewDb unsafeGetDelegate() { |
| return delegate; |
| } |
| |
| @Override |
| public ChangeAccess changes() { |
| return changesWrapper; |
| } |
| |
| @Override |
| public void commit() { |
| throw new UnsupportedOperationException( |
| "do not call commit; BatchUpdate always manages transactions"); |
| } |
| |
| @Override |
| public void rollback() { |
| throw new UnsupportedOperationException( |
| "do not call rollback; BatchUpdate always manages transactions"); |
| } |
| |
| private static class BatchUpdateChanges extends ChangeAccessWrapper { |
| private BatchUpdateChanges(ChangeAccess delegate) { |
| super(delegate); |
| } |
| |
| @Override |
| public void insert(Iterable<Change> instances) { |
| throw new UnsupportedOperationException( |
| "do not call insert; change is automatically inserted"); |
| } |
| |
| @Override |
| public void upsert(Iterable<Change> instances) { |
| throw new UnsupportedOperationException( |
| "do not call upsert; existing changes are updated automatically," |
| + " or use InsertChangeOp for insertion"); |
| } |
| |
| @Override |
| public void update(Iterable<Change> instances) { |
| throw new UnsupportedOperationException( |
| "do not call update; change is updated automatically"); |
| } |
| |
| @Override |
| public void beginTransaction(Change.Id key) { |
| throw new UnsupportedOperationException( |
| "updateChange is always called within a transaction"); |
| } |
| |
| @Override |
| public void deleteKeys(Iterable<Change.Id> keys) { |
| throw new UnsupportedOperationException( |
| "do not call deleteKeys; use ChangeContext#deleteChange()"); |
| } |
| |
| @Override |
| public void delete(Iterable<Change> instances) { |
| throw new UnsupportedOperationException( |
| "do not call delete; use ChangeContext#deleteChange()"); |
| } |
| |
| @Override |
| public Change atomicUpdate(Change.Id key, |
| AtomicUpdate<Change> update) { |
| throw new UnsupportedOperationException( |
| "do not call atomicUpdate; updateChange is always called within a" |
| + " transaction"); |
| } |
| } |
| } |