/**
 After update handler on Task Sobject
*/
public class TaskAfterUpdateHandler implements Triggers.Handler {
        // Prevent trigger from running twice on updates
        // Ref : http://raydehler.com/cloud/clod/prevent-an-apex-trigger-from-executing-twice.html
	static boolean firstRunForUpdate = true;
	public void handle() {
		if (firstRunForUpdate) {
		   System.debug(LoggingLevel.INFO, 'Post Update handling, NewItems: ' + Trigger.newMap + ', OldItems: ' + Trigger.oldMap );
		}
		
	}
}