com.ibm.jbatch.container.navigator.FlowNavigatorImpl 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 com.ibm.jbatch.container.navigator;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.ibm.jbatch.container.jsl.ExecutionElement;
import com.ibm.jbatch.container.jsl.IllegalTransitionException;
import com.ibm.jbatch.container.jsl.Transition;
import com.ibm.jbatch.container.status.ExecutionStatus;
import com.ibm.jbatch.jsl.model.Flow;
public class FlowNavigatorImpl extends AbstractNavigatorImpl implements ModelNavigator {
private final static Logger logger = Logger.getLogger(FlowNavigatorImpl.class.getName());
private Flow flow = null;
public FlowNavigatorImpl(Flow flow) {
this.flow = flow;
}
public String toString() {
return "FlowNavigatorImpl for flow id = " + flow.getId();
}
@Override
public ExecutionElement getFirstExecutionElement(String restartOn)
throws IllegalTransitionException {
logger.fine("Getting first execution element in flow, restartOn = " + restartOn);
ExecutionElement firstElem = getFirstExecutionElement(flow.getExecutionElements(), restartOn);
logger.fine("Got first execution element in flow = " + firstElem.getId());
return firstElem;
}
@Override
public Transition getNextTransition(ExecutionElement currentExecutionElem, ExecutionStatus currentStatus)
throws IllegalTransitionException {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Getting next transition in flow, currentExecutionElem = " + currentExecutionElem);
}
Transition nextTransition = getNextTransition(currentExecutionElem, flow.getExecutionElements(), currentStatus);
logger.fine("Got next transition in flow = " + nextTransition);
return nextTransition;
}
@Override
public Flow getRootModelElement() {
return flow;
}
}