| // 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.restapi.change; |
| |
| import com.google.common.hash.Hasher; |
| import com.google.common.hash.Hashing; |
| import com.google.gerrit.extensions.common.ActionInfo; |
| import com.google.gerrit.extensions.restapi.ETagView; |
| import com.google.gerrit.extensions.restapi.Response; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.change.ActionJson; |
| import com.google.gerrit.server.change.ChangeResource; |
| import com.google.gerrit.server.change.RevisionResource; |
| import com.google.gerrit.server.config.GerritServerConfig; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.gerrit.server.query.change.ChangeData; |
| import com.google.gerrit.server.submit.ChangeSet; |
| import com.google.gerrit.server.submit.MergeSuperSet; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.gwtorm.server.OrmRuntimeException; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| import java.io.IOException; |
| import java.util.Map; |
| import org.eclipse.jgit.lib.Config; |
| |
| @Singleton |
| public class GetRevisionActions implements ETagView<RevisionResource> { |
| private final ActionJson delegate; |
| private final Config config; |
| private final Provider<ReviewDb> dbProvider; |
| private final Provider<MergeSuperSet> mergeSuperSet; |
| private final ChangeResource.Factory changeResourceFactory; |
| |
| @Inject |
| GetRevisionActions( |
| ActionJson delegate, |
| Provider<ReviewDb> dbProvider, |
| Provider<MergeSuperSet> mergeSuperSet, |
| ChangeResource.Factory changeResourceFactory, |
| @GerritServerConfig Config config) { |
| this.delegate = delegate; |
| this.dbProvider = dbProvider; |
| this.mergeSuperSet = mergeSuperSet; |
| this.changeResourceFactory = changeResourceFactory; |
| this.config = config; |
| } |
| |
| @Override |
| public Response<Map<String, ActionInfo>> apply(RevisionResource rsrc) throws OrmException { |
| return Response.withMustRevalidate(delegate.format(rsrc)); |
| } |
| |
| @Override |
| public String getETag(RevisionResource rsrc) { |
| Hasher h = Hashing.murmur3_128().newHasher(); |
| CurrentUser user = rsrc.getUser(); |
| try { |
| rsrc.getChangeResource().prepareETag(h, user); |
| h.putBoolean(MergeSuperSet.wholeTopicEnabled(config)); |
| ReviewDb db = dbProvider.get(); |
| ChangeSet cs = mergeSuperSet.get().completeChangeSet(db, rsrc.getChange(), user); |
| for (ChangeData cd : cs.changes()) { |
| changeResourceFactory.create(cd.notes(), user).prepareETag(h, user); |
| } |
| h.putBoolean(cs.furtherHiddenChanges()); |
| } catch (IOException | OrmException | PermissionBackendException e) { |
| throw new OrmRuntimeException(e); |
| } |
| return h.hash().toString(); |
| } |
| } |