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/*
* @(#)AsmblTransitionSet.java
*
* Copyright (C) 2002-2003 Matt Albrecht
* groboclown@users.sourceforge.net
* http://groboutils.sourceforge.net
*
* Part of the GroboUtils package at:
* http://groboutils.sourceforge.net
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package net.sourceforge.groboutils.mbtf.v1.assembler;
import net.sourceforge.groboutils.mbtf.v1.IState;
import net.sourceforge.groboutils.mbtf.v1.ITransition;
import net.sourceforge.groboutils.mbtf.v1.engine.TransitionImpl;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Vector;
/**
* Contains the set of transitions in their pre-assembled state. Used for
* accessing a collection of transitions.
*
* @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
* @version $Date: 2003/02/10 22:52:25 $
* @since June 13, 2002
*/
public class AsmblTransitionSet
{
private Hashtable nameToTrans = new Hashtable();
/**
*
*/
public AsmblTransitionSet()
{
// do nothing
}
/**
*
*/
public void addTransition( AsmblTransition trans )
{
if (trans != null)
{
this.nameToTrans.put( trans.getName(), trans );
}
}
/**
*
*/
public void addTransitions( AsmblTransition[] trans )
{
if (trans != null)
{
for (int i = trans.length; --i >= 0;)
{
addTransition( trans[i] );
}
}
}
/**
*
*/
public AsmblTransition getTransition( String name )
{
return (AsmblTransition)this.nameToTrans.get( name );
}
/**
*
*/
public AsmblTransition[] getTransitions()
{
AsmblTransition as[] = new AsmblTransition[ this.nameToTrans.size() ];
Enumeration enum = this.nameToTrans.elements();
for (int i = 0; enum.hasMoreElements(); ++i)
{
as[i] = (AsmblTransition)enum.nextElement();
}
return as;
}
/**
* Sets the destination state for every transition. If a transition's
* destination state is not in the set, then an IllegalArgumentException
* is thrown.
*/
public void setDestinationStates( Hashtable nameToIState )
{
AsmblTransition[] ats = getTransitions();
for (int i = ats.length; --i >= 0;)
{
IState s = (IState)nameToIState.get( ats[i].getNextStateName() );
if (s == null)
{
throw new IllegalArgumentException("Transition '"+
ats[i].getName()+"' expects existing state '"+
ats[i].getNextStateName()+"'");
}
ats[i].setDestinationState( s );
}
}
}
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