| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.commons.scxml; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * A logical unit of progression in the execution of a SCXML model. |
| * |
| */ |
| public class Step { |
| |
| /** |
| * Constructor. |
| */ |
| public Step() { |
| this.externalEvents = new ArrayList(); |
| this.beforeStatus = new Status(); |
| this.afterStatus = new Status(); |
| this.exitList = new ArrayList(); |
| this.entryList = new ArrayList(); |
| this.transitList = new ArrayList(); |
| } |
| |
| /** |
| * @param externalEvents The external events received in this |
| * unit of progression |
| * @param beforeStatus The before status |
| */ |
| public Step(final Collection externalEvents, final Status beforeStatus) { |
| if (externalEvents != null) { |
| this.externalEvents = externalEvents; |
| } else { |
| this.externalEvents = new ArrayList(); |
| } |
| if (beforeStatus != null) { |
| this.beforeStatus = beforeStatus; |
| } else { |
| this.beforeStatus = new Status(); |
| } |
| this.afterStatus = new Status(); |
| this.exitList = new ArrayList(); |
| this.entryList = new ArrayList(); |
| this.transitList = new ArrayList(); |
| } |
| |
| /** |
| * The external events in this step. |
| */ |
| private Collection externalEvents; |
| |
| /** |
| * The status before this step. |
| */ |
| private Status beforeStatus; |
| |
| /** |
| * The status after this step. |
| */ |
| private Status afterStatus; |
| |
| /** |
| * The list of TransitionTargets that were exited during this step. |
| */ |
| private List exitList; |
| |
| /** |
| * The list of TransitionTargets that were entered during this step. |
| */ |
| private List entryList; |
| |
| /** |
| * The list of Transitions taken during this step. |
| */ |
| private List transitList; |
| |
| /** |
| * @return Returns the afterStatus. |
| */ |
| public Status getAfterStatus() { |
| return afterStatus; |
| } |
| |
| /** |
| * @param afterStatus The afterStatus to set. |
| */ |
| public void setAfterStatus(final Status afterStatus) { |
| this.afterStatus = afterStatus; |
| } |
| |
| /** |
| * @return Returns the beforeStatus. |
| */ |
| public Status getBeforeStatus() { |
| return beforeStatus; |
| } |
| |
| /** |
| * @param beforeStatus The beforeStatus to set. |
| */ |
| public void setBeforeStatus(final Status beforeStatus) { |
| this.beforeStatus = beforeStatus; |
| } |
| |
| /** |
| * @return Returns the entryList. |
| */ |
| public List getEntryList() { |
| return entryList; |
| } |
| |
| /** |
| * @return Returns the exitList. |
| */ |
| public List getExitList() { |
| return exitList; |
| } |
| |
| /** |
| * @return Returns the externalEvents. |
| */ |
| public Collection getExternalEvents() { |
| return externalEvents; |
| } |
| |
| /** |
| * @return Returns the transitList. |
| */ |
| public List getTransitList() { |
| return transitList; |
| } |
| |
| } |
| |