com.google.gerrit.server.project.PerRequestProjectControlCache Maven / Gradle / Ivy
// Copyright (C) 2011 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.project;
import com.google.gerrit.reviewdb.client.Project;
import com.google.gerrit.server.CurrentUser;
import com.google.inject.Inject;
import com.google.inject.servlet.RequestScoped;
import java.util.HashMap;
import java.util.Map;
/** Caches {@link ProjectControl} objects for the current user of the request. */
@RequestScoped
public class PerRequestProjectControlCache {
private final ProjectCache projectCache;
private final CurrentUser user;
private final Map controls;
@Inject
PerRequestProjectControlCache(ProjectCache projectCache, CurrentUser userProvider) {
this.projectCache = projectCache;
this.user = userProvider;
this.controls = new HashMap<>();
}
ProjectControl get(Project.NameKey nameKey) throws NoSuchProjectException {
ProjectControl ctl = controls.get(nameKey);
if (ctl == null) {
ProjectState p = projectCache.get(nameKey);
if (p == null) {
throw new NoSuchProjectException(nameKey);
}
ctl = p.controlFor(user);
controls.put(nameKey, ctl);
}
return ctl;
}
public void evict(Project project) {
projectCache.evict(project);
controls.remove(project.getNameKey());
}
}