| // Copyright (C) 2017 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.index.group; |
| |
| import static com.google.common.base.Preconditions.checkState; |
| |
| import com.google.gerrit.entities.AccountGroup; |
| import com.google.gerrit.entities.InternalGroup; |
| import com.google.gerrit.index.Index; |
| import com.google.gerrit.index.IndexConfig; |
| import com.google.gerrit.index.QueryOptions; |
| import com.google.gerrit.index.query.DataSource; |
| import com.google.gerrit.index.query.IndexedQuery; |
| import com.google.gerrit.index.query.Matchable; |
| import com.google.gerrit.index.query.Predicate; |
| import com.google.gerrit.index.query.QueryParseException; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Wrapper around {@link Predicate}s that are returned by the {@link |
| * com.google.gerrit.index.IndexRewriter}. See {@link IndexedQuery}. |
| */ |
| public class IndexedGroupQuery extends IndexedQuery<AccountGroup.UUID, InternalGroup> |
| implements DataSource<InternalGroup>, Matchable<InternalGroup> { |
| |
| public static QueryOptions createOptions( |
| IndexConfig config, int start, int pageSize, int limit, Set<String> fields) { |
| // Always include GroupField.UUID since it is needed to load the group from NoteDb. |
| if (!fields.contains(GroupField.UUID_FIELD_SPEC.getName())) { |
| fields = new HashSet<>(fields); |
| fields.add(GroupField.UUID_FIELD_SPEC.getName()); |
| } |
| return QueryOptions.create(config, start, pageSize, limit, fields); |
| } |
| |
| public IndexedGroupQuery( |
| Index<AccountGroup.UUID, InternalGroup> index, |
| Predicate<InternalGroup> pred, |
| QueryOptions opts) |
| throws QueryParseException { |
| super(index, pred, opts.convertForBackend()); |
| } |
| |
| @Override |
| public boolean match(InternalGroup object) { |
| Predicate<InternalGroup> pred = getChild(0); |
| checkState( |
| pred.isMatchable(), |
| "match invoked, but child predicate %s doesn't implement %s", |
| pred, |
| Matchable.class.getName()); |
| return pred.asMatchable().match(object); |
| } |
| |
| @Override |
| public int getCost() { |
| return 1; |
| } |
| } |