view artifact-database/src/main/java/de/intevation/artifactdatabase/transition/Transition.java @ 206:33f58a847fc4

Added a copy of Config in the commons package. TODO: Remove it from artifacts-database. artifacts/trunk@1475 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 15 Mar 2011 15:25:43 +0000
parents 26bfff409dd3
children 8c2b6cdf22ad
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package de.intevation.artifactdatabase.transition;

import de.intevation.artifactdatabase.state.State;


/**
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public interface Transition {

    /**
     * Return the ID of the start State.
     */
    public String getFrom();

    /**
     * Return the ID of the target State.
     */
    public String getTo();

    /**
     * Set the ID of the current State.
     *
     * @param from The ID of the current state.
     */
    public void setFrom(String from);

    /**
     * Set the ID of the target State.
     *
     * @param to The ID of the target state.
     */
    public void setTo(String to);

    /**
     * Determines if the transition from <code>state</code> is valid.
     */
    public boolean isValid(State state);
}
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