ua.mobius.fsm.Transition Maven / Gradle / Ivy
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* PARTICULAR PURPOSE. See the GNU General Public License for more details.
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* v. 2.0 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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*/
/*
* 15/07/13 - Change notice:
* This file has been modified by Mobius Software Ltd.
* For more information please visit http://www.mobius.ua
*/
package ua.mobius.fsm;
/**
*
* @author kulikov
*/
public class Transition implements Runnable {
private String name;
protected State destination;
private TransitionHandler handler;
private State state;
protected Transition(String name, State destination) {
this.name = name;
this.destination = destination;
}
public String getName() {
return name;
}
public void setHandler(TransitionHandler handler) {
this.handler = handler;
}
protected State process(State state) {
this.state = state;
//leave current state
state.leave();
run();
//enter to the destination
this.destination.enter();
return this.destination;
}
@Override
public String toString() {
return name;
}
public void run() {
//invoke handler if assigned
if (handler != null) {
handler.process(state);
}
}
}