Index: lams_central/src/java/org/lamsfoundation/lams/authoring/dto/ValidationErrorDTO.java
===================================================================
diff -u
--- lams_central/src/java/org/lamsfoundation/lams/authoring/dto/ValidationErrorDTO.java	(revision 0)
+++ lams_central/src/java/org/lamsfoundation/lams/authoring/dto/ValidationErrorDTO.java	(revision 4f934576b02627b16401dae61ba6c55597cdb067)
@@ -0,0 +1,116 @@
+package org.lamsfoundation.lams.authoring.dto;
+
+import org.lamsfoundation.lams.learningdesign.LearningDesign;
+
+public class ValidationErrorDTO {
+	
+	/**
+	 * Rule: Other (Covers any cases that are not covered by another code)
+	 */
+	public static final Integer OTHER_ERROR = new Integer(0);
+	
+	/**
+	 * Rule: Each transition must have an activity before and after the transition
+	 */
+	public static final Integer TRANSITION_ERROR = new Integer(1);
+	
+	/**
+	 * Rule: Exactly one top level activity will have no input transition
+	 * If more than one activity is missing an input transition
+	 */
+	public static final Integer INPUT_TRANSITION_ERROR_TYPE1 = new Integer(2);
+	
+	/**
+	 * Rule: Exactly one top level activity will have no input transition
+	 * If no activities are missing their input transitions
+	 */
+	public static final Integer INPUT_TRANSITION_ERROR_TYPE2= new Integer(3);
+	
+	/**
+	 * Rule: Exactly one top level activity will have no output transition
+	 * If more than one activity is missing the output transition.
+	 */
+	public static final Integer OUTPUT_TRANSITION_ERROR_TYPE1 = new Integer(4);
+	
+	/**
+	 * Rule: Exactly one top level activity will have no output transition
+	 * If no activities are missing their output transitions.
+	 */
+	public static final Integer OUTPUT_TRANSITION_ERROR_TYPE2 = new Integer(5);
+	
+	/**
+	 * Rule: If grouping is required then a grouping must have been applied to the activity
+	 */
+	public static final Integer GROUPING_REQUIRED_ERROR = new Integer(6);
+	
+	/**
+	 * Rule: If grouping is not supported/required, then a grouping has not been applied to the activity.
+	 */
+	public static final Integer GROUPING_NOT_REQUIRED_ERROR = new Integer(7);
+	
+	/**
+	 * Rule: If grouping is selected, then grouping exists
+	 */
+	public static final Integer GROUPING_SELECTED_ERROR = new Integer(8);
+	
+	/**
+	 * Rule: An optional activity must contain one or more activities
+	 */
+	public static final Integer OPTIONAL_ACTIVITY_ERROR = new Integer(9);
+	
+	/**
+	 * Rule: An optional activity must have valid order ids - the order ids should be 
+	 * sequential starting at 1 and must have no duplicates.
+	 */
+	public static final Integer OPTIONAL_ACTIVITY_ORDER_ID_INVALID_ERROR = new Integer(10);
+	
+	/**
+	 * Rule: For any learning design that has more than one activity then each activity should 
+	 * have at least one input or one output transition. 
+	 */
+	public static final Integer LD_ACTIVITY_TRANSITION_ERROR = new Integer(11);
+	
+	private Integer code;
+	private Integer UIID;
+	private String message;
+	
+	public ValidationErrorDTO(Integer code, Integer UIID, String message)
+	{
+		this.code = code;
+		this.UIID = UIID;
+		this.message = message;
+	}
+	
+	public ValidationErrorDTO(Integer code, Integer UIID)
+	{
+		this.code = code;
+		this.UIID = UIID;
+	}
+	
+	public ValidationErrorDTO(Integer code)
+	{
+		this.code = code;
+	}
+	
+	public ValidationErrorDTO(LearningDesign learningDesign)
+	{
+		
+	}
+	
+	public ValidationErrorDTO()
+	{		
+	}
+	
+	public Integer getCode() {
+		return code;
+	}
+	public String getMessage() {
+		return message;
+	}
+	public Integer getUIID() {
+		return UIID;
+	}
+	
+	
+
+}