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/*
* @(#)ITransition.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;
/**
* Corresponds to a state-machine transition from one state to another.
* Transitions must verify that their associated action can be performed
* on the current system's state.
*
* @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 12, 2002
*/
public interface ITransition
{
/**
* Retrieves the name for the transition. This should be unique for
* state-machine assembly purposes, but it does not have to be.
*
* @return a non-null name for this transition.
*/
public String getName();
/**
* Returns the next state if the corresponding action is executed.
*
* @return destination state, which can never be <tt>null</tt>.
*/
public IState getDestinationState();
/**
* Returns the action used to transition to the destination state.
*
* @return transition's action, which can never be <tt>null</tt>.
*/
public IAction getAction();
/**
* Returns all validation methods used to assert that the system can
* perform this transition.
*
* @return a list of associated validation instances.
*/
public IValidate[] getValidates();
}
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