/*
* Copyright © 2014 Cask Data, Inc.
*
* 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 co.cask.cdap.internal.app.deploy;
import co.cask.cdap.app.deploy.Manager;
import co.cask.cdap.app.store.Store;
import co.cask.cdap.app.store.StoreFactory;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.data.Namespace;
import co.cask.cdap.data2.datafabric.DefaultDatasetNamespace;
import co.cask.cdap.data2.dataset2.DatasetFramework;
import co.cask.cdap.data2.dataset2.NamespacedDatasetFramework;
import co.cask.cdap.data2.transaction.queue.QueueAdmin;
import co.cask.cdap.data2.transaction.stream.StreamConsumerFactory;
import co.cask.cdap.internal.app.deploy.pipeline.ApplicationRegistrationStage;
import co.cask.cdap.internal.app.deploy.pipeline.CreateDatasetInstancesStage;
import co.cask.cdap.internal.app.deploy.pipeline.DeletedProgramHandlerStage;
import co.cask.cdap.internal.app.deploy.pipeline.DeployDatasetModulesStage;
import co.cask.cdap.internal.app.deploy.pipeline.LocalArchiveLoaderStage;
import co.cask.cdap.internal.app.deploy.pipeline.ProgramGenerationStage;
import co.cask.cdap.internal.app.deploy.pipeline.VerificationStage;
import co.cask.cdap.pipeline.Pipeline;
import co.cask.cdap.pipeline.PipelineFactory;
import co.cask.cdap.proto.Id;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import org.apache.twill.discovery.DiscoveryServiceClient;
import org.apache.twill.filesystem.LocationFactory;
import javax.annotation.Nullable;
/**
* This class is concrete implementation of {@link Manager}.
*
* @param <I> Input type.
* @param <O> Output type.
*/
public class LocalManager<I, O> implements Manager<I, O> {
private final PipelineFactory pipelineFactory;
private final LocationFactory locationFactory;
private final CConfiguration configuration;
private final Store store;
private final StreamConsumerFactory streamConsumerFactory;
private final QueueAdmin queueAdmin;
private final DiscoveryServiceClient discoveryServiceClient;
private final ProgramTerminator programTerminator;
private final DatasetFramework datasetFramework;
@Inject
public LocalManager(CConfiguration configuration, PipelineFactory pipelineFactory,
LocationFactory locationFactory, StoreFactory storeFactory,
StreamConsumerFactory streamConsumerFactory,
QueueAdmin queueAdmin, DiscoveryServiceClient discoveryServiceClient,
DatasetFramework datasetFramework,
@Assisted ProgramTerminator programTerminator) {
this.configuration = configuration;
this.pipelineFactory = pipelineFactory;
this.locationFactory = locationFactory;
this.discoveryServiceClient = discoveryServiceClient;
this.store = storeFactory.create();
this.streamConsumerFactory = streamConsumerFactory;
this.queueAdmin = queueAdmin;
this.programTerminator = programTerminator;
this.datasetFramework =
new NamespacedDatasetFramework(datasetFramework,
new DefaultDatasetNamespace(configuration, Namespace.USER));
}
@Override
public ListenableFuture<O> deploy(Id.Account id, @Nullable String appId, I input) throws Exception {
Pipeline<O> pipeline = pipelineFactory.getPipeline();
pipeline.addLast(new LocalArchiveLoaderStage(id, appId));
pipeline.addLast(new VerificationStage(datasetFramework));
pipeline.addLast(new DeployDatasetModulesStage(datasetFramework));
pipeline.addLast(new CreateDatasetInstancesStage(datasetFramework));
pipeline.addLast(new DeletedProgramHandlerStage(store, programTerminator, streamConsumerFactory,
queueAdmin, discoveryServiceClient));
pipeline.addLast(new ProgramGenerationStage(configuration, locationFactory));
pipeline.addLast(new ApplicationRegistrationStage(store));
return pipeline.execute(input);
}
}