| // 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.query.group; |
| |
| import static com.google.common.base.Preconditions.checkState; |
| import static com.google.gerrit.server.query.group.GroupQueryBuilder.FIELD_LIMIT; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.gerrit.entities.InternalGroup; |
| import com.google.gerrit.index.IndexConfig; |
| import com.google.gerrit.index.query.AndSource; |
| import com.google.gerrit.index.query.IndexPredicate; |
| import com.google.gerrit.index.query.Predicate; |
| import com.google.gerrit.index.query.QueryProcessor; |
| import com.google.gerrit.metrics.MetricMaker; |
| import com.google.gerrit.server.CurrentUser; |
| import com.google.gerrit.server.account.AccountLimits; |
| import com.google.gerrit.server.account.GroupControl; |
| import com.google.gerrit.server.index.group.GroupIndexCollection; |
| import com.google.gerrit.server.index.group.GroupIndexRewriter; |
| import com.google.gerrit.server.index.group.GroupSchemaDefinitions; |
| import com.google.gerrit.server.notedb.Sequences; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| |
| /** |
| * Query processor for the group index. |
| * |
| * <p>Instances are one-time-use. Other singleton classes should inject a Provider rather than |
| * holding on to a single instance. |
| */ |
| public class GroupQueryProcessor extends QueryProcessor<InternalGroup> { |
| private final Provider<CurrentUser> userProvider; |
| private final GroupControl.GenericFactory groupControlFactory; |
| private final Sequences sequences; |
| private final IndexConfig indexConfig; |
| |
| @Singleton |
| protected static class GroupQueryMetrics extends QueryProcessor.Metrics { |
| @Inject |
| protected GroupQueryMetrics(MetricMaker metricMaker) { |
| super(metricMaker); |
| } |
| } |
| |
| static { |
| // It is assumed that basic rewrites do not touch visibleto predicates. |
| checkState( |
| !GroupIsVisibleToPredicate.class.isAssignableFrom(IndexPredicate.class), |
| "GroupQueryProcessor assumes visibleto is not used by the index rewriter."); |
| } |
| |
| @Inject |
| protected GroupQueryProcessor( |
| Provider<CurrentUser> userProvider, |
| AccountLimits.Factory limitsFactory, |
| GroupQueryMetrics groupQueryMetrics, |
| IndexConfig indexConfig, |
| GroupIndexCollection indexes, |
| GroupIndexRewriter rewriter, |
| GroupControl.GenericFactory groupControlFactory, |
| Sequences sequences) { |
| super( |
| groupQueryMetrics, |
| GroupSchemaDefinitions.INSTANCE, |
| indexConfig, |
| indexes, |
| rewriter, |
| FIELD_LIMIT, |
| () -> limitsFactory.create(userProvider.get()).getQueryLimit()); |
| this.userProvider = userProvider; |
| this.groupControlFactory = groupControlFactory; |
| this.sequences = sequences; |
| this.indexConfig = indexConfig; |
| } |
| |
| @Override |
| protected Predicate<InternalGroup> enforceVisibility(Predicate<InternalGroup> pred) { |
| return new AndSource<>( |
| ImmutableList.of( |
| pred, new GroupIsVisibleToPredicate(groupControlFactory, userProvider.get())), |
| start, |
| indexConfig); |
| } |
| |
| @Override |
| protected String formatForLogging(InternalGroup internalGroup) { |
| return internalGroup.getGroupUUID().get(); |
| } |
| |
| @Override |
| protected int getIndexSize() { |
| return sequences.lastGroupId(); |
| } |
| |
| @Override |
| protected int getBatchSize() { |
| return sequences.groupBatchSize(); |
| } |
| } |