/*
* Copyright © 2014-2016 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.internal.app.runtime.workflow;
import co.cask.cdap.api.app.ApplicationSpecification;
import co.cask.cdap.api.spark.Spark;
import co.cask.cdap.api.spark.SparkSpecification;
import co.cask.cdap.api.workflow.Workflow;
import co.cask.cdap.api.workflow.WorkflowNodeState;
import co.cask.cdap.api.workflow.WorkflowSpecification;
import co.cask.cdap.api.workflow.WorkflowToken;
import co.cask.cdap.app.program.Program;
import co.cask.cdap.app.runtime.ProgramOptions;
import co.cask.cdap.app.runtime.ProgramRunnerFactory;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.proto.ProgramType;
import com.google.common.base.Preconditions;
import java.util.Map;
/**
* Creates {@link Runnable} for executing {@link Spark} programs from {@link Workflow}.
*/
final class SparkProgramWorkflowRunner extends AbstractProgramWorkflowRunner {
SparkProgramWorkflowRunner(CConfiguration cConf, WorkflowSpecification workflowSpec,
ProgramRunnerFactory programRunnerFactory,
Program workflowProgram, ProgramOptions workflowProgramOptions, WorkflowToken token,
String nodeId, Map<String, WorkflowNodeState> nodeStates) {
super(cConf, workflowProgram, workflowProgramOptions,
programRunnerFactory, workflowSpec, token, nodeId, nodeStates);
}
@Override
protected ProgramType getProgramType() {
return ProgramType.SPARK;
}
@Override
protected Program rewriteProgram(String name, Program program) {
ApplicationSpecification spec = program.getApplicationSpecification();
SparkSpecification sparkSpec = spec.getSpark().get(name);
Preconditions.checkArgument(sparkSpec != null,
"No Spark with name %s found in Workflow %s", name, workflowSpec.getName());
return new WorkflowSparkProgram(program, sparkSpec);
}
}