fsmusertoolall.java

有限状态机程序自动生成器可以自动生成C、C＋＋和Java程序。自动生成的程序很容易与程序员自己开发的程序结合。

package org.abeesoft.fsmgenerator.test;

import java.util.HashMap;
import java.util.List;
import java.util.LinkedList;

import org.abeesoft.fsmgenerator.api.java.IFSM;

public final class FSMUserToolAll implements IFSM
{
	private static final HashMap< String, Integer > mapStateNameId = new HashMap< String, Integer >();
	private static final HashMap< String, Integer > mapEventNameId = new HashMap< String, Integer >();
	private static final String[] mapStateIdName = new String[5];
	private static final String[] mapEventIdName = new String[4];
	private static final int[][] mapTransition = new int[5][4];

	private static final String	startState		= "User.1";
	static
	{

		mapStateNameId.put( "User.1" ,1 );
		mapStateIdName[1] = "User.1";
		mapStateNameId.put( "Group.1" ,2 );
		mapStateIdName[2] = "Group.1";
		mapStateNameId.put( "Role.1" ,3 );
		mapStateIdName[3] = "Role.1";
		mapStateNameId.put( "Tool.1" ,4 );
		mapStateIdName[4] = "Tool.1";

		mapEventNameId.put( "belongsTo.forward" ,1 );
		mapEventIdName[1] = "belongsTo.forward";
		mapEventNameId.put( "hasParent.forward" ,2 );
		mapEventIdName[2] = "hasParent.forward";
		mapEventNameId.put( "assignedTo.backward" ,3 );
		mapEventIdName[3] = "assignedTo.backward";

		mapTransition[1][1] = 2;
		mapTransition[2][2] = 2;
		mapTransition[2][3] = 3;
		mapTransition[3][1] = 4;

	}

	private String				currentState	= null;

	public FSMUserToolAll() throws Exception
	{
		restart();
	}

	public void restart() throws Exception
	{
		currentState = startState;
	}

	public void process( String eventName ) throws Exception
	{
		currentState = mapStateIdName[mapTransition[mapStateNameId.get(currentState)][mapEventNameId.get(eventName)]];
	}

	public String getCurrentState()
	{
		return currentState;
	}

	public void setCurrentState( String stateName )
	{
		currentState = stateName;
	}

	public List<String> getCurrentEventOut()
	{
		List<String> eventOut = new LinkedList<String>();

		int index = mapStateNameId.get(currentState);
		for( int i = 1; i < mapTransition[index].length; i++ )
		{
		if( mapTransition[index][i] != 0 )
			eventOut.add(mapEventIdName[mapTransition[index][i]]);
		}

		return eventOut;
	}

	public String getCurrentTransitionOut( String eventName )
	{
		return mapStateIdName[mapTransition[mapStateNameId.get(currentState)][mapEventNameId.get(eventName)]];
	}
}