Classifying triggers in Salesforce

MyObject_Trigger.java

trigger MyObject on MyObject__c (before insert, before update, before delete, after insert, after update, after delete) {
     MyObjectTrigger.processTrigger(Trigger.oldMap, Trigger.new, Trigger.isBefore);
}

MyObjectTrigger.java

public class MyObjectTrigger {
     private final Map<Id, MyObject__c> oldMap;
     private final Map<Id, MyObject__c> newMap;
     private final List<MyObject__c> newObjs;
     private final Boolean isInsert;
     private final Boolean isUpdate;
     private final Boolean isDelete;
     private final Boolean isBulk;

     /**
     * The constructor
     *
     * @param xoldMap The old map from the trigger
     * @param xnewObj The list of new objects from the trigger
     * @param isBefore If the trigger is in before or after
     */
     public MyObjectTrigger(Map<Id, MyObject__c> xoldMap, List<MyObject__c> xnewObjs, Boolean isBefore) {
          oldMap = xoldMap;
          newObjs = xnewObjs;

          if (!isBefore && newObjs != null) {
               newMap = new Map<Id, MyObject__c>(newObjs);
          }

          isDelete = (((newObjs == null || newObjs.isEmpty()) && isBefore) || ((newMap == null || newMap.isEmpty()) && !isBefore));
          isUpdate = ! (isDelete || oldMap == null || oldMap.isEmpty());
          isInsert = ! (isDelete || isUpdate);
          isBulk = (newObjs != null && newObjs.size() > 1) ? true : false;
     }

     public void doAwesomeness() {
          //Do stuff
     }

    /**
    * Method to initiate trigger logic
    *
    * @param oldMap The old map from the trigger
    * @param newObj The list of new objects from the trigger
    * @param isBefore If the trigger is in before or after
    */
     public static void processTrigger(Map<Id, MyObject__c> oldMap, List<MyObject__c> newObj, Boolean isBefore) {
          final MyObjectTrigger myTrigger = new MyObjectTrigger(oldMap, newObj, isBefore);

          if (isBefore) {
               myTrigger.doAwesomeness();
          }
     }
}