com.ibm.jbatch.container.navigator.ModelNavigator 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 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;
public interface ModelNavigator {
/**
*
* @param restartOn
* @return
* @throws IllegalTransitionException
*/
public ExecutionElement getFirstExecutionElement(String restartOn) throws IllegalTransitionException;
/**
*
* @return
* @throws IllegalTransitionException
*/
public ExecutionElement getFirstExecutionElement() throws IllegalTransitionException;
/**
* Enforces "can't revisit already visited steps rule".
*/
public Transition getNextTransition(ExecutionElement currentExecutionElem, ExecutionStatus currentExecutionStatus)
throws IllegalTransitionException;
/**
* E.g. the JSLJob for a job, the Flow for a flow, etc.
* @return
*/
public T getRootModelElement();
}