| // 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.query.change; |
| |
| import static com.google.gerrit.server.query.Predicate.and; |
| import static com.google.gerrit.server.query.Predicate.or; |
| import static com.google.gerrit.server.query.change.ChangeStatusPredicate.open; |
| |
| import com.google.gerrit.common.Nullable; |
| import com.google.gerrit.reviewdb.client.Branch; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.index.ChangeIndex; |
| import com.google.gerrit.server.index.IndexCollection; |
| import com.google.gerrit.server.index.Schema; |
| import com.google.gerrit.server.query.Predicate; |
| import com.google.gerrit.server.query.QueryParseException; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.inject.Inject; |
| |
| import org.eclipse.jgit.lib.AbbreviatedObjectId; |
| import org.eclipse.jgit.lib.ObjectId; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * Execute a single query over changes, for use by Gerrit internals. |
| * <p> |
| * By default, visibility of returned changes is not enforced (unlike in {@link |
| * QueryProcessor}). The methods in this class are not typically used by |
| * user-facing paths, but rather by internal callers that need to process all |
| * matching results. |
| */ |
| public class InternalChangeQuery { |
| private static Predicate<ChangeData> ref(Branch.NameKey branch) { |
| return new RefPredicate(branch.get()); |
| } |
| |
| private static Predicate<ChangeData> change(Change.Key key) { |
| return new ChangeIdPredicate(key.get()); |
| } |
| |
| private static Predicate<ChangeData> project(Project.NameKey project) { |
| return new ProjectPredicate(project.get()); |
| } |
| |
| private static Predicate<ChangeData> status(Change.Status status) { |
| return new ChangeStatusPredicate(status); |
| } |
| |
| private static Predicate<ChangeData> commit(AbbreviatedObjectId id) { |
| return new CommitPredicate(id); |
| } |
| |
| private final QueryProcessor qp; |
| private final IndexCollection indexes; |
| |
| @Inject |
| InternalChangeQuery(QueryProcessor queryProcessor, |
| IndexCollection indexes) { |
| qp = queryProcessor.enforceVisibility(false); |
| this.indexes = indexes; |
| } |
| |
| public InternalChangeQuery setLimit(int n) { |
| qp.setLimit(n); |
| return this; |
| } |
| |
| public InternalChangeQuery enforceVisibility(boolean enforce) { |
| qp.enforceVisibility(enforce); |
| return this; |
| } |
| |
| private Predicate<ChangeData> topic(String topic) { |
| return new TopicPredicate(schema(indexes), topic); |
| } |
| |
| public List<ChangeData> byKey(Change.Key key) throws OrmException { |
| return byKeyPrefix(key.get()); |
| } |
| |
| public List<ChangeData> byKeyPrefix(String prefix) throws OrmException { |
| return query(new ChangeIdPredicate(prefix)); |
| } |
| |
| public List<ChangeData> byBranchKey(Branch.NameKey branch, Change.Key key) |
| throws OrmException { |
| return query(and( |
| ref(branch), |
| project(branch.getParentKey()), |
| change(key))); |
| } |
| |
| public List<ChangeData> byProject(Project.NameKey project) |
| throws OrmException { |
| return query(project(project)); |
| } |
| |
| public List<ChangeData> submitted(Branch.NameKey branch) throws OrmException { |
| return query(and( |
| ref(branch), |
| project(branch.getParentKey()), |
| status(Change.Status.SUBMITTED))); |
| } |
| |
| public List<ChangeData> allSubmitted() throws OrmException { |
| return query(status(Change.Status.SUBMITTED)); |
| } |
| |
| public List<ChangeData> byBranchOpen(Branch.NameKey branch) |
| throws OrmException { |
| return query(and( |
| ref(branch), |
| project(branch.getParentKey()), |
| open())); |
| } |
| |
| public List<ChangeData> byProjectOpen(Project.NameKey project) |
| throws OrmException { |
| return query(and(project(project), open())); |
| } |
| |
| public List<ChangeData> byTopicOpen(String topic) |
| throws OrmException { |
| return query(and(topic(topic), open())); |
| } |
| |
| public List<ChangeData> byCommitPrefix(String prefix) throws OrmException { |
| return query(commit(AbbreviatedObjectId.fromString(prefix))); |
| } |
| |
| public List<ChangeData> byCommit(ObjectId id) throws OrmException { |
| return query(commit(AbbreviatedObjectId.fromObjectId(id))); |
| } |
| |
| public List<ChangeData> byProjectGroups(Project.NameKey project, |
| Collection<String> groups) throws OrmException { |
| List<GroupPredicate> groupPredicates = new ArrayList<>(groups.size()); |
| for (String g : groups) { |
| groupPredicates.add(new GroupPredicate(g)); |
| } |
| return query(and(project(project), or(groupPredicates))); |
| } |
| |
| private List<ChangeData> query(Predicate<ChangeData> p) throws OrmException { |
| try { |
| return qp.queryChanges(p).changes(); |
| } catch (QueryParseException e) { |
| throw new OrmException(e); |
| } |
| } |
| |
| static Schema<ChangeData> schema(@Nullable IndexCollection indexes) { |
| ChangeIndex index = indexes != null ? indexes.getSearchIndex() : null; |
| return index != null ? index.getSchema() : null; |
| } |
| } |