/*
* Copyright © 2016 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.app.runtime.spark.distributed;
import co.cask.cdap.api.Resources;
import co.cask.cdap.api.spark.Spark;
import co.cask.cdap.api.spark.SparkSpecification;
import co.cask.cdap.app.program.Program;
import co.cask.cdap.internal.app.runtime.distributed.AbstractProgramTwillApplication;
import co.cask.cdap.internal.app.runtime.distributed.LocalizeResource;
import co.cask.cdap.proto.ProgramType;
import com.google.common.base.Objects;
import org.apache.twill.api.EventHandler;
import org.apache.twill.api.TwillApplication;
import java.util.Map;
/**
* A {@link TwillApplication} for running {@link Spark} program in distributed mode.
*/
final class SparkTwillApplication extends AbstractProgramTwillApplication {
private final SparkSpecification spec;
SparkTwillApplication(Program program, SparkSpecification spec,
Map<String, LocalizeResource> localizeResources,
EventHandler eventHandler) {
super(program, localizeResources, eventHandler);
this.spec = spec;
}
@Override
protected ProgramType getType() {
return ProgramType.SPARK;
}
@Override
protected void addRunnables(Map<String, RunnableResource> runnables) {
runnables.put(spec.getName(), new RunnableResource(
new SparkTwillRunnable(spec.getName(), "hConf.xml", "cConf.xml"),
createResourceSpec(Objects.firstNonNull(spec.getDriverResources(), new Resources()), 1)
));
}
}