google-nomulus/java/google/registry/backup/BackupModule.java
Michael Muller c458c05801 Rename Java packages to use the .google TLD
The dark lord Gosling designed the Java package naming system so that
ownership flows from the DNS system. Since we own the domain name
registry.google, it seems only appropriate that we should use
google.registry as our package name.
2016-05-13 20:04:42 -04:00

93 lines
3.2 KiB
Java

// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// 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 google.registry.backup;
import static com.google.appengine.api.ThreadManager.currentRequestThreadFactory;
import static com.google.common.util.concurrent.MoreExecutors.listeningDecorator;
import static google.registry.backup.ExportCommitLogDiffAction.LOWER_CHECKPOINT_TIME_PARAM;
import static google.registry.backup.ExportCommitLogDiffAction.UPPER_CHECKPOINT_TIME_PARAM;
import static google.registry.backup.RestoreCommitLogsAction.FROM_TIME_PARAM;
import static google.registry.request.RequestParameters.extractRequiredDatetimeParameter;
import static google.registry.request.RequestParameters.extractRequiredParameter;
import static java.util.concurrent.Executors.newFixedThreadPool;
import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.ListeningExecutorService;
import dagger.Module;
import dagger.Provides;
import google.registry.cron.CommitLogFanoutAction;
import google.registry.request.HttpException.BadRequestException;
import google.registry.request.Parameter;
import org.joda.time.DateTime;
import java.lang.annotation.Documented;
import javax.inject.Qualifier;
import javax.servlet.http.HttpServletRequest;
/**
* Dagger module for backup package.
*
* @see "google.registry.module.backend.BackendComponent"
*/
@Module
public final class BackupModule {
/** Dagger qualifier for backups. */
@Qualifier
@Documented
public static @interface Backups {}
/** Number of threads in the threaded executor. */
private static final int NUM_THREADS = 10;
@Provides
@Parameter("bucket")
static int provideBucket(HttpServletRequest req) {
String param = extractRequiredParameter(req, CommitLogFanoutAction.BUCKET_PARAM);
Integer bucket = Ints.tryParse(param);
if (bucket == null) {
throw new BadRequestException("Bad bucket id");
}
return bucket;
}
@Provides
@Parameter(LOWER_CHECKPOINT_TIME_PARAM)
static DateTime provideLowerCheckpointKey(HttpServletRequest req) {
return extractRequiredDatetimeParameter(req, LOWER_CHECKPOINT_TIME_PARAM);
}
@Provides
@Parameter(UPPER_CHECKPOINT_TIME_PARAM)
static DateTime provideUpperCheckpointKey(HttpServletRequest req) {
return extractRequiredDatetimeParameter(req, UPPER_CHECKPOINT_TIME_PARAM);
}
@Provides
@Parameter(FROM_TIME_PARAM)
static DateTime provideFromTime(HttpServletRequest req) {
return extractRequiredDatetimeParameter(req, FROM_TIME_PARAM);
}
@Provides
@Backups
static ListeningExecutorService provideListeningExecutorService() {
return listeningDecorator(newFixedThreadPool(NUM_THREADS, currentRequestThreadFactory()));
}
}