org.apache.batchee.container.impl.controller.FlowController Maven / Gradle / Ivy
/*
* Copyright 2012 International Business Machines Corp.
*
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. 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 org.apache.batchee.container.impl.controller;
import org.apache.batchee.container.Controller;
import org.apache.batchee.container.ExecutionElementController;
import org.apache.batchee.container.impl.JobContextImpl;
import org.apache.batchee.container.impl.jobinstance.RuntimeJobExecution;
import org.apache.batchee.container.navigator.ModelNavigator;
import org.apache.batchee.container.navigator.NavigatorFactory;
import org.apache.batchee.container.services.ServicesManager;
import org.apache.batchee.container.status.ExecutionStatus;
import org.apache.batchee.container.status.ExtendedBatchStatus;
import org.apache.batchee.jaxb.Flow;
import javax.batch.runtime.BatchStatus;
import java.util.List;
public class FlowController implements ExecutionElementController {
private final RuntimeJobExecution jobExecution;
private final JobContextImpl jobContext;
private final ServicesManager manager;
protected ModelNavigator flowNavigator;
protected Flow flow;
private long rootJobExecutionId;
private ExecutionTransitioner transitioner;
public FlowController(final RuntimeJobExecution jobExecution, final Flow flow, final long rootJobExecutionId, final ServicesManager manager) {
this.jobExecution = jobExecution;
this.jobContext = jobExecution.getJobContext();
this.flowNavigator = NavigatorFactory.createFlowNavigator(flow);
this.flow = flow;
this.rootJobExecutionId = rootJobExecutionId;
this.manager = manager;
}
@Override
public ExecutionStatus execute() {
if (!jobContext.getBatchStatus().equals(BatchStatus.STOPPING)) {
transitioner = new ExecutionTransitioner(jobExecution, rootJobExecutionId, flowNavigator, manager);
return transitioner.doExecutionLoop();
}
return new ExecutionStatus(ExtendedBatchStatus.JOB_OPERATOR_STOPPING);
}
@Override
public void stop() {
// Since this is not a top-level controller, don't try to filter based on existing status.. just pass
// along the stop().
final Controller stoppableElementController = transitioner.getCurrentStoppableElementController();
if (stoppableElementController != null) {
stoppableElementController.stop();
}
}
@Override
public List getLastRunStepExecutions() {
return this.transitioner.getStepExecIds();
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy