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From meta...@apache.org
Subject cvs commit: jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard DefaultStateMachine.java StateMachine.java WizardData.java AbstractWizardStep.java Wizard.java WizardStep.java
Date Wed, 17 Jan 2001 22:23:33 GMT
metasim     01/01/17 14:23:33

  Modified:    src/antidote/org/apache/tools/ant/gui/wizard
                        AbstractWizardStep.java Wizard.java WizardStep.java
  Added:       src/antidote/org/apache/tools/ant/gui/wizard
                        DefaultStateMachine.java StateMachine.java
                        WizardData.java
  Log:
  Added more panels to build wizard, and created state machine framework.
  
  Revision  Changes    Path
  1.2       +24 -47    jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/AbstractWizardStep.java
  
  Index: AbstractWizardStep.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/AbstractWizardStep.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- AbstractWizardStep.java	2001/01/16 18:35:32	1.1
  +++ AbstractWizardStep.java	2001/01/17 22:23:31	1.2
  @@ -59,7 +59,7 @@
   /**
    * Abstract class implementing the basic support for the WizardStep interface.
    * 
  - * @version $Revision: 1.1 $ 
  + * @version $Revision: 1.2 $ 
    * @author Simeon Fitch 
    */
   public abstract class  AbstractWizardStep extends JComponent 
  @@ -76,11 +76,7 @@
       /** Description of the step. */
       private String _description = null;
       /** Data model. */
  -    private Object _model = null;
  -    /** ID of next step. */
  -    private String _nextID = null;
  -    /** ID of previous step. */
  -    private String _prevID = null;
  +    private WizardData _model = null;
   
       /** 
        * Called when the instance should initialize its contents, e.g.
  @@ -161,50 +157,15 @@
           return _description;
       }
   
  -    /** 
  -     * Set the default id of the next step.
  -     * 
  -     * @param nextID ID of next step.
  -     */
  -    public void setNext(String nextID) {
  -        _nextID = nextID;
  -    }
   
       /** 
  -     * Get the id of the next step.
  -     * 
  -     * @return ID of next step.
  -     */
  -    public String getNext() {
  -        return _nextID;
  -    }
  -
  -    /** 
  -     * Set the default id of the previous step.
  -     * 
  -     * @param prevID ID of previous step.
  -     */
  -    public void setPrevious(String prevID) {
  -        _prevID = prevID;
  -    }
  -
  -    /** 
  -     * Get the id of the previous step.
  -     * 
  -     * @return Previous step.
  -     */
  -    public String getPrevious() {
  -        return _prevID;
  -    }
  -
  -    /** 
        * Set the data model object that the step will edit. It is assumed 
        * that all steps initialized within a single wizard agree on the
        * data model type.
        * 
        * @param model Data model to edit.
        */
  -    public void setDataModel(Object model) {
  +    public void setDataModel(WizardData model) {
           _model = model;
       }
   
  @@ -213,7 +174,7 @@
        * 
        * @return Current data model.
        */
  -    public Object getDataModel() {
  +    public WizardData getDataModel() {
           return _model;
       }
   
  @@ -234,6 +195,26 @@
       }
   
       /** 
  +     * Get the id of the next step.
  +     * 
  +     * @return ID of next step.
  +     */
  +    public String getNext() {
  +        return getDataModel().getStateMachine().getNext(
  +            this, getDataModel());
  +    }
  +
  +    /** 
  +     * Get the id of the previous step.
  +     * 
  +     * @return Previous step.
  +     */
  +    public String getPrevious() {
  +        return getDataModel().getStateMachine().getPrevious(
  +            this, getDataModel());
  +    }
  +
  +    /** 
        * Get a string representation of this.
        * 
        * @return String representation.
  @@ -242,10 +223,6 @@
           StringBuffer buf = new StringBuffer(getClass().getName());
           buf.append("[id=");
           buf.append(getID());
  -        buf.append(",prev=");
  -        buf.append(getPrevious());
  -        buf.append(",next=");
  -        buf.append(getNext());
           buf.append("]");
           return buf.toString();
       }
  
  
  
  1.2       +27 -31    jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/Wizard.java
  
  Index: Wizard.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/Wizard.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- Wizard.java	2001/01/16 18:35:33	1.1
  +++ Wizard.java	2001/01/17 22:23:31	1.2
  @@ -66,13 +66,12 @@
   /**
    * Top level container and controller for wizard-type GUI.
    * 
  - * @version $Revision: 1.1 $ 
  + * @version $Revision: 1.2 $ 
    * @author Simeon Fitch 
    */
   public class Wizard extends JComponent {
  -    /** Resources defining the wizard contents. Separate from the
  -     *  application context resources. */
  -    private ResourceManager _resources = null;
  +    /** The data model to pass on to each step. */
  +    private WizardData _data = null;
       /** Container for the step editors. */
       private JPanel _stepContainer = null;
       /** Layout manager for all the step panels. */
  @@ -87,8 +86,6 @@
       private JProgressBar _progress = null;
       /** Widget for navigating through steps. */
       private WizardNavigator _nav = null;
  -    /** The data model to pass on to each step. */
  -    private Object _model = null;
       /** The current Wizard step. */
       private WizardStep _curr = null;
       /** The set of wizard listeners. */
  @@ -97,17 +94,15 @@
       /** 
        * Standard ctor.
        * 
  -     * @param resources Wizard definition resources
  -     * @param dataModel Initial data model.
  +     * @param data Data for the wizard.
        */
  -    public Wizard(ResourceManager resources, Object dataModel) {
  +    public Wizard(WizardData data) {
           setLayout(new BorderLayout());
  -        _resources = resources;
  -        _model = dataModel;
  +        _data = data;
   
           _progress = new JProgressBar();
           _progress.setBorder(BorderFactory.createTitledBorder(
  -            _resources.getString("progress")));
  +            _data.getResources().getString("progress")));
           _progress.setStringPainted(true);
           add(_progress, BorderLayout.NORTH);
   
  @@ -126,7 +121,7 @@
               JScrollPane.HORIZONTAL_SCROLLBAR_NEVER); 
   
           scroller.setBorder(BorderFactory.createTitledBorder(
  -            _resources.getString("help")));
  +            _data.getResources().getString("help")));
           add(scroller, BorderLayout.WEST);
   
           _stepContainer = new JPanel(_layout = new CardLayout());
  @@ -136,30 +131,23 @@
   
           add(_stepContainer, BorderLayout.CENTER);
   
  -        _nav = new ButtonNavigator(_resources);
  +        _nav = new ButtonNavigator(_data.getResources());
           _nav.addNavigatorListener(new NavHandler());
           ((ButtonNavigator)_nav).setBorder(BorderFactory.createEtchedBorder());
           add((ButtonNavigator)_nav, BorderLayout.SOUTH);
   
  -        String[] steps = _resources.getStringArray("steps");
  +        String[] steps = _data.getResources().getStringArray("steps");
           _progress.setMaximum(steps.length - 1);
           try {
               for(int i = 0; i < steps.length; i++) {
  -                Class type = _resources.getClass(steps[i] + ".editor");
  +                Class type = _data.getResources().getClass(steps[i] + ".editor");
                   WizardStep step = (WizardStep) type.newInstance();
  -                step.setResources(_resources);
  +                step.setResources(_data.getResources());
                   step.setID(steps[i]);
  -                step.setTitle(_resources.getString(steps[i]+ ".title"));
  +                step.setTitle(
  +                    _data.getResources().getString(steps[i]+ ".title"));
                   step.setDescription(
  -                    _resources.getString(steps[i]+ ".description"));
  -
  -                String id = _resources.getString(steps[i] + ".next");
  -                id = (id == null && i < steps.length - 1) ? steps[i + 1] : id;
  -                step.setNext(id);
  -
  -                id = _resources.getString(steps[i] + ".prev");
  -                id = (id == null && i > 0) ? steps[i - 1] : id;
  -                step.setPrevious(id);
  +                    _data.getResources().getString(steps[i]+ ".description"));
   
                   _steps.put(steps[i], step);
                   _stepOrdering.add(step);
  @@ -168,7 +156,7 @@
               // Initialize the first screen with the data model.
               if(steps.length > 0) {
                   WizardStep first = (WizardStep)_steps.get(steps[0]);
  -                first.setDataModel(_model);
  +                first.setDataModel(_data);
                   _curr = first;
                   showStep(first);
               }
  @@ -207,13 +195,13 @@
       private void showStep(WizardStep step) {
           if(step == null) return;
   
  -        // Transfer data model (in case step wants to create a new one.
  -        _curr.updateDataModel();
           step.setDataModel(_curr.getDataModel());
           
           // Update the title and description.
           _stepContainer.setBorder(
  -            BorderFactory.createTitledBorder(step.getTitle()));
  +            BorderFactory.createCompoundBorder(
  +                BorderFactory.createTitledBorder(step.getTitle()),
  +                BorderFactory.createEmptyBorder(5, 15, 5, 15))); 
           _description.setText(step.getDescription());
   
           _nav.setBackEnabled(step.getPrevious() != null);
  @@ -233,21 +221,28 @@
       /** Handler for actions invoked by wizard. */
       private class NavHandler implements NavigatorListener {
           public void nextStep() {
  +            // Called to give data model chance to make changes to what is next.
  +            _curr.updateDataModel();
               String nextID = _curr.getNext();
               if(nextID != null) {
                   showStep((WizardStep)_steps.get(nextID));
               }
           }
           public void backStep() {
  +            // Called to give data model chance to make changes to what is 
  +            // before.
  +            _curr.updateDataModel();
               String prevID = _curr.getPrevious();
               if(prevID != null) {
                   showStep((WizardStep)_steps.get(prevID));
               }
           }
           public void gotoStep(String stepID){
  +            _curr.updateDataModel();
               showStep((WizardStep) _steps.get(stepID));
           }
           public void cancel() {
  +            _curr.updateDataModel();
               Iterator it = _listeners.iterator();
               while(it.hasNext()) {
                   WizardListener l = (WizardListener) it.next();
  @@ -255,6 +250,7 @@
               }
           }
           public void finish() {
  +            _curr.updateDataModel();
               Iterator it = _listeners.iterator();
               while(it.hasNext()) {
                   WizardListener l = (WizardListener) it.next();
  
  
  
  1.2       +17 -30    jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/WizardStep.java
  
  Index: WizardStep.java
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/WizardStep.java,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- WizardStep.java	2001/01/16 18:35:34	1.1
  +++ WizardStep.java	2001/01/17 22:23:32	1.2
  @@ -59,7 +59,7 @@
   /**
    * Interface for classes defining a step in a wizard.
    * 
  - * @version $Revision: 1.1 $ 
  + * @version $Revision: 1.2 $ 
    * @author Simeon Fitch 
    */
   public interface WizardStep {
  @@ -110,47 +110,20 @@
       String getDescription();
   
       /** 
  -     * Set the default id of the next step.
  -     * 
  -     * @param nextID ID of next step.
  -     */
  -    void setNext(String nextID);
  -    /** 
  -     * Get the id of the next step.
  -     * 
  -     * @return ID of next step.
  -     */
  -    String getNext();
  -
  -    /** 
  -     * Set the default id of the previous step.
  -     * 
  -     * @param prevID ID of previous step.
  -     */
  -    void setPrevious(String prevID);
  -
  -    /** 
  -     * Get the id of the previous step.
  -     * 
  -     * @return Previous step.
  -     */
  -    String getPrevious();
  -
  -    /** 
        * Set the data model object that the step will edit. It is assumed 
        * that all steps initialized within a single wizard agree on the
        * data model type.
        * 
        * @param model Data model to edit.
        */
  -    void setDataModel(Object model);
  +    void setDataModel(WizardData model);
   
       /** 
        * Get the data model that should be passeed on to the next step.
        * 
        * @return Current data model.
        */
  -    Object getDataModel();
  +    WizardData getDataModel();
   
       /** 
        * Get the component that should be displayed to the user for
  @@ -174,5 +147,19 @@
        * 
        */
       void updateDataModel();
  +
  +    /** 
  +     * Get the id of the next step.
  +     * 
  +     * @return ID of next step.
  +     */
  +    String getNext();
  +
  +    /** 
  +     * Get the id of the previous step.
  +     * 
  +     * @return Previous step.
  +     */
  +    String getPrevious();
   
   }
  
  
  
  1.1                  jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/DefaultStateMachine.java
  
  Index: DefaultStateMachine.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.tools.ant.gui.wizard;
  import org.apache.tools.ant.gui.core.ResourceManager;
  import java.util.*;
  
  /**
   * A simple state machine based on the defined ordering of steps
   * in the resources.
   * 
   * @version $Revision: 1.1 $ 
   * @author Simeon Fitch 
   */
  public class DefaultStateMachine implements StateMachine {
  
      /** 
       * Get the list of step IDs defined in the resources as a list.
       * 
       * @param data Current wizard state.
       * @return List of step IDs
       */
      protected List getStepList(WizardData data) {
          return Arrays.asList(data.getResources().getStringArray("steps"));
      }
  
      /** 
       * Get the next step.
       * 
       * @param curr The current step.
       * @param data The current state of the wizard.
       * @return The ID of next step, or null if there currently isn't one.
       */
      public String getNext(WizardStep curr, WizardData data) {
          List steps = getStepList(data);
          int nextIndex = steps.indexOf(curr.getID()) + 1;
          if(nextIndex > 0 && nextIndex < steps.size()) {
              return (String) steps.get(nextIndex);
          }
          return null;
      }
  
      /** 
       * Get the previous step.
       * 
       * @param curr The current step.
       * @param data The current state of the wizard.
       * @return The ID of previous step, or null if there currently isn't one.
       */
      public String getPrevious(WizardStep curr, WizardData data) {
          List steps = getStepList(data);
          int nextIndex = steps.indexOf(curr.getID()) - 1;
          if(nextIndex > 0 && nextIndex < steps.size()) {
              return (String) steps.get(nextIndex);
          }
          return null;
      }
  }
  
  
  
  1.1                  jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/StateMachine.java
  
  Index: StateMachine.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.tools.ant.gui.wizard;
  
  /**
   * Interface for the wizard state machine, responsible for determining the
   * next step in the wizard.
   * 
   * @version $Revision: 1.1 $ 
   * @author Simeon Fitch 
   */
  public interface StateMachine {
  
      /** 
       * Get the next step.
       * 
       * @param curr The current step.
       * @param data The current state of the wizard.
       * @return The next step, or null if there currently isn't one.
       */
      String getNext(WizardStep curr, WizardData data);
  
      /** 
       * Get the previous step.
       * 
       * @param curr The current step.
       * @param data The current state of the wizard.
       * @return The previous step, or null if there currently isn't one.
       */
      String getPrevious(WizardStep curr, WizardData data);
  }
  
  
  
  1.1                  jakarta-ant/src/antidote/org/apache/tools/ant/gui/wizard/WizardData.java
  
  Index: WizardData.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2001 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowlegement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowlegement may appear in the software itself,
   *    if and wherever such third-party acknowlegements normally appear.
   *
   * 4. The names "The Jakarta Project", "Ant", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  package org.apache.tools.ant.gui.wizard;
  
  import org.apache.tools.ant.gui.core.ResourceManager;
  
  /**
   * Interface for the wizard data model.
   * 
   * @version $Revision: 1.1 $ 
   * @author Simeon Fitch 
   */
  public interface WizardData {
      /** 
       * Get access to the resources for the wizard.
       * 
       * @return Wizard resources.
       */
      ResourceManager getResources();
  
      /** 
       * Get the class the determines what the next step should be.
       * 
       * @return State machine.
       */
      StateMachine getStateMachine();
  
  }
  
  
  

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