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/** @author  John Miller
 *  @version 1.0
 *  @date    Sun Oct  9 14:56:22 EDT 2011
 *  @see     LICENSE (MIT style license file).
 */

package scalation.process

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/** The `Signifiable` trait defines standard messages/signals sent between actors
 *  implementing process interaction simulations.
 */
trait Signifiable
{
    /** Signal for resuming an actor
     */
    protected val RESUME_ACTOR = "RA"

    /** Signal for resuming the director
     */
    protected val RESUME_DIRECTOR = "RD"

    /** Signal indicating results returned
     */
    protected val RETURN_RESULTS = "RR"

} // Signifiable trait