/*
* Copyright © 2014-2015 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.test.app;
import co.cask.cdap.api.app.AbstractApplication;
import co.cask.cdap.api.data.schema.UnsupportedTypeException;
import co.cask.cdap.api.dataset.lib.ObjectStores;
import co.cask.cdap.api.schedule.Schedules;
import co.cask.cdap.api.workflow.AbstractWorkflow;
import co.cask.cdap.api.workflow.AbstractWorkflowAction;
import co.cask.cdap.api.workflow.Value;
import co.cask.cdap.api.workflow.WorkflowContext;
import co.cask.cdap.api.workflow.WorkflowToken;
import com.google.common.base.Throwables;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.concurrent.TimeUnit;
/**
* Application with workflow scheduling.
*/
public class AppWithSchedule extends AbstractApplication {
@Override
public void configure() {
try {
setName("AppWithSchedule");
setDescription("Sample application");
ObjectStores.createObjectStore(getConfigurer(), "input", String.class);
ObjectStores.createObjectStore(getConfigurer(), "output", String.class);
addWorkflow(new SampleWorkflow());
scheduleWorkflow(Schedules.builder("SampleSchedule").createTimeSchedule("0/1 * * * * ?"), "SampleWorkflow");
} catch (UnsupportedTypeException e) {
throw Throwables.propagate(e);
}
}
/**
* Sample workflow. Schedules a dummy MR job.
*/
public static class SampleWorkflow extends AbstractWorkflow {
@Override
public void configure() {
setName("SampleWorkflow");
setDescription("SampleWorkflow description");
addAction(new DummyAction());
}
}
/**
* DummyAction
*/
public static class DummyAction extends AbstractWorkflowAction {
private static final Logger LOG = LoggerFactory.getLogger(DummyAction.class);
@Override
public void initialize(WorkflowContext context) throws Exception {
super.initialize(context);
WorkflowToken token = context.getToken();
token.put("running", Value.of(true));
token.put("finished", Value.of(false));
}
@Override
public void run() {
LOG.info("Ran dummy action");
try {
TimeUnit.MILLISECONDS.sleep(500);
} catch (InterruptedException e) {
LOG.info("Interrupted");
}
}
@Override
public void destroy() {
WorkflowToken token = getContext().getToken();
token.put("running", Value.of(false));
token.put("finished", Value.of(true));
}
}
}