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// Copyright (C) 2013 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.testing;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.Sets;
import com.google.gerrit.entities.Project;
import com.google.gerrit.entities.Project.NameKey;
import com.google.gerrit.server.git.GitRepositoryManager;
import com.google.gerrit.server.git.RepositoryCaseMismatchException;
import com.google.inject.Inject;
import java.util.HashMap;
import java.util.Map;
import java.util.SortedSet;
import org.eclipse.jgit.errors.RepositoryNotFoundException;
import org.eclipse.jgit.internal.storage.dfs.DfsRepository;
import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
/** Repository manager that uses in-memory repositories. */
public class InMemoryRepositoryManager implements GitRepositoryManager {
public static InMemoryRepository newRepository(Project.NameKey name) {
return new Repo(name);
}
public static class Description extends DfsRepositoryDescription {
private final Project.NameKey name;
private Description(Project.NameKey name) {
super(name.get());
this.name = name;
}
public Project.NameKey getProject() {
return name;
}
}
public static class Repo extends InMemoryRepository {
private String description;
private Repo(Project.NameKey name) {
super(new Description(name));
setPerformsAtomicTransactions(true);
}
@Override
public Description getDescription() {
return (Description) super.getDescription();
}
@Override
public String getGitwebDescription() {
return description;
}
@Override
public void setGitwebDescription(String d) {
description = d;
}
}
private final Map<String, Repo> repos;
@Inject
public InMemoryRepositoryManager() {
this.repos = new HashMap<>();
}
@Override
public synchronized Status getRepositoryStatus(NameKey name) {
try {
get(name);
return Status.ACTIVE;
} catch (RepositoryNotFoundException e) {
return Status.NON_EXISTENT;
}
}
@Override
public synchronized Repo openRepository(Project.NameKey name) throws RepositoryNotFoundException {
return get(name);
}
@Override
public synchronized Repo createRepository(Project.NameKey name)
throws RepositoryCaseMismatchException, RepositoryNotFoundException {
Repo repo;
try {
repo = get(name);
if (!repo.getDescription().getRepositoryName().equals(name.get())) {
throw new RepositoryCaseMismatchException(name);
}
} catch (RepositoryNotFoundException e) {
repo = new Repo(name);
repos.put(normalize(name), repo);
}
return repo;
}
@Override
public synchronized SortedSet<Project.NameKey> list() {
SortedSet<Project.NameKey> names = Sets.newTreeSet();
for (DfsRepository repo : repos.values()) {
names.add(Project.nameKey(repo.getDescription().getRepositoryName()));
}
return ImmutableSortedSet.copyOf(names);
}
public synchronized void deleteRepository(Project.NameKey name) {
repos.remove(normalize(name));
}
private synchronized Repo get(Project.NameKey name) throws RepositoryNotFoundException {
Repo repo = repos.get(normalize(name));
if (repo != null) {
repo.incrementOpen();
return repo;
}
throw new RepositoryNotFoundException(name.get());
}
private static String normalize(Project.NameKey name) {
return name.get().toLowerCase();
}
}
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