/*
* Copyright © 2015 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;
import co.cask.cdap.api.app.AbstractApplication;
import co.cask.cdap.api.workflow.AbstractWorkflow;
import co.cask.cdap.api.workflow.AbstractWorkflowAction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.concurrent.TimeUnit;
/**
*
*/
public class WorkflowAppWithErrorRuns extends AbstractApplication {
@Override
public void configure() {
setName("WorkflowAppWithErrorRuns");
setDescription("Sample Workflow application with some error runs.");
addWorkflow(new WorkflowWithErrorRuns());
}
/**
* Sample Workflow which throws exception based on the runtime arguments.
*/
public static class WorkflowWithErrorRuns extends AbstractWorkflow {
@Override
public void configure() {
setName("WorkflowWithErrorRuns");
setDescription("Sample Workflow which throws exception based on the runtime arguments.");
addAction(new SimpleAction());
}
}
static final class SimpleAction extends AbstractWorkflowAction {
private static final Logger LOG = LoggerFactory.getLogger(SimpleAction.class);
@Override
public void run() {
LOG.info("Running SimpleAction");
if (getContext().getRuntimeArguments().containsKey("ThrowError")) {
throw new RuntimeException("Error");
}
try {
File file = new File(getContext().getRuntimeArguments().get("simple.action.file"));
file.createNewFile();
File doneFile = new File(getContext().getRuntimeArguments().get("simple.action.donefile"));
while (!doneFile.exists()) {
TimeUnit.MILLISECONDS.sleep(50);
}
} catch (Exception e) {
// no-op
}
}
}
}