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// 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.project;
import static com.google.common.base.Preconditions.checkState;
import static com.google.gerrit.server.query.project.ProjectQueryBuilder.FIELD_LIMIT;
import com.google.gerrit.index.IndexConfig;
import com.google.gerrit.index.project.ProjectData;
import com.google.gerrit.index.project.ProjectIndexCollection;
import com.google.gerrit.index.project.ProjectIndexRewriter;
import com.google.gerrit.index.project.ProjectSchemaDefinitions;
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.permissions.PermissionBackend;
import com.google.inject.Inject;
import com.google.inject.Provider;
/**
* Query processor for the project index.
*
* <p>Instances are one-time-use. Other singleton classes should inject a Provider rather than
* holding on to a single instance.
*
* <p>By default, enforces visibility to CurrentUser.
*/
public class ProjectQueryProcessor extends QueryProcessor<ProjectData> {
private final PermissionBackend permissionBackend;
private final Provider<CurrentUser> userProvider;
static {
// It is assumed that basic rewrites do not touch visibleto predicates.
checkState(
!ProjectIsVisibleToPredicate.class.isAssignableFrom(IndexPredicate.class),
"ProjectQueryProcessor assumes visibleto is not used by the index rewriter.");
}
@Inject
protected ProjectQueryProcessor(
Provider<CurrentUser> userProvider,
AccountLimits.Factory limitsFactory,
MetricMaker metricMaker,
IndexConfig indexConfig,
ProjectIndexCollection indexes,
ProjectIndexRewriter rewriter,
PermissionBackend permissionBackend) {
super(
metricMaker,
ProjectSchemaDefinitions.INSTANCE,
indexConfig,
indexes,
rewriter,
FIELD_LIMIT,
() -> limitsFactory.create(userProvider.get()).getQueryLimit());
this.permissionBackend = permissionBackend;
this.userProvider = userProvider;
}
@Override
protected Predicate<ProjectData> enforceVisibility(Predicate<ProjectData> pred) {
return new AndSource<>(
pred, new ProjectIsVisibleToPredicate(permissionBackend, userProvider.get()), start);
}
@Override
protected String formatForLogging(ProjectData projectData) {
return projectData.getProject().getName();
}
}
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