| // Copyright (C) 2010 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.common.base.Preconditions.checkArgument; |
| import static java.util.stream.Collectors.toList; |
| |
| import com.google.gerrit.index.query.Predicate; |
| import com.google.gerrit.reviewdb.client.Account; |
| import com.google.gerrit.server.index.change.ChangeField; |
| import com.google.gerrit.server.notedb.ReviewerStateInternal; |
| import com.google.gerrit.server.query.change.ChangeQueryBuilder.Arguments; |
| import com.google.gwtorm.server.OrmException; |
| import java.util.stream.Stream; |
| |
| public class ReviewerPredicate extends ChangeIndexPredicate { |
| protected static Predicate<ChangeData> forState(Account.Id id, ReviewerStateInternal state) { |
| checkArgument(state != ReviewerStateInternal.REMOVED, "can't query by removed reviewer"); |
| return new ReviewerPredicate(state, id); |
| } |
| |
| protected static Predicate<ChangeData> reviewer(Arguments args, Account.Id id) { |
| if (args.notesMigration.readChanges()) { |
| // With NoteDb, Reviewer/CC are clearly distinct states, so only choose reviewer. |
| return new ReviewerPredicate(ReviewerStateInternal.REVIEWER, id); |
| } |
| // Without NoteDb, Reviewer/CC are a bit unpredictable; maintain the old behavior of matching |
| // any reviewer state. |
| return anyReviewerState(id); |
| } |
| |
| protected static Predicate<ChangeData> cc(Account.Id id) { |
| // As noted above, CC is nebulous without NoteDb, but it certainly doesn't make sense to return |
| // Reviewers for cc:foo. Most likely this will just not match anything, but let the index sort |
| // it out. |
| return new ReviewerPredicate(ReviewerStateInternal.CC, id); |
| } |
| |
| protected static Predicate<ChangeData> anyReviewerState(Account.Id id) { |
| return Predicate.or( |
| Stream.of(ReviewerStateInternal.values()) |
| .filter(s -> s != ReviewerStateInternal.REMOVED) |
| .map(s -> new ReviewerPredicate(s, id)) |
| .collect(toList())); |
| } |
| |
| protected final ReviewerStateInternal state; |
| protected final Account.Id id; |
| |
| private ReviewerPredicate(ReviewerStateInternal state, Account.Id id) { |
| super(ChangeField.REVIEWER, ChangeField.getReviewerFieldValue(state, id)); |
| this.state = state; |
| this.id = id; |
| } |
| |
| protected Account.Id getAccountId() { |
| return id; |
| } |
| |
| @Override |
| public boolean match(ChangeData cd) throws OrmException { |
| return cd.reviewers().asTable().get(state, id) != null; |
| } |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| } |