Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningDesign.hbm.xml
===================================================================
RCS file: /usr/local/cvsroot/lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningDesign.hbm.xml,v
diff -u -r1.6 -r1.7
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningDesign.hbm.xml	4 Mar 2005 00:23:44 -0000	1.6
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningDesign.hbm.xml	13 Mar 2005 23:22:11 -0000	1.7
@@ -150,7 +150,9 @@
     <property name="lessonStartDateTime" type ="java.sql.Timestamp" column="lesson_start_date_time">
     	<meta attribute="field-description">@hibernate.property column ="lesson_start_date_time"</meta>
     </property>
-    
+    <property name="lastModifiedDateTime" type ="java.sql.Timestamp" column="last_modified_date_time">
+    	<meta attribute="field-description">@hibernate.property column ="last_modified_date_time"</meta>
+    </property>
 
     <!-- Associations -->
     
Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningLibrary.hbm.xml
===================================================================
RCS file: /usr/local/cvsroot/lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningLibrary.hbm.xml,v
diff -u -r1.1 -r1.2
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningLibrary.hbm.xml	28 Jan 2005 04:08:30 -0000	1.1
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/LearningLibrary.hbm.xml	13 Mar 2005 23:22:19 -0000	1.2
@@ -52,6 +52,11 @@
     >
  
     </property>
+    <property name="validLibrary" 
+    		  type="java.lang.Boolean" 
+    		  column="valid_flag" 
+    		  not-null="true" 
+    		  length="4" />
 
     <!-- Associations -->
   
Index: lams_common/src/java/org/lamsfoundation/lams/learningdesign/LearningDesign.java
===================================================================
RCS file: /usr/local/cvsroot/lams_common/src/java/org/lamsfoundation/lams/learningdesign/LearningDesign.java,v
diff -u -r1.10 -r1.11
--- lams_common/src/java/org/lamsfoundation/lams/learningdesign/LearningDesign.java	4 Mar 2005 04:00:12 -0000	1.10
+++ lams_common/src/java/org/lamsfoundation/lams/learningdesign/LearningDesign.java	13 Mar 2005 23:22:34 -0000	1.11
@@ -12,6 +12,7 @@
 import org.apache.commons.lang.builder.EqualsBuilder;
 import org.apache.commons.lang.builder.HashCodeBuilder;
 import org.apache.commons.lang.builder.ToStringBuilder;
+import org.lamsfoundation.lams.util.wddx.WDDXTAGS;
 
 /**
  * @hibernate.class table="lams_learning_design"
@@ -118,6 +119,9 @@
 	/** nullable persistent field*/
 	private Date lessonStartDateTime;
 	
+	/** persistent field*/
+	private Date lastModifiedDateTime;
+	
 	/** full constructor */
 	public LearningDesign(
 			Long learningDesignId,
@@ -228,19 +232,19 @@
 		this.learningDesignId = learningDesignId;
 	}
 	public Integer getLearningDesignUIID() {
-		return this.learningDesignUIID;
+		return this.learningDesignUIID!=null?this.learningDesignUIID : WDDXTAGS.NUMERIC_NULL_VALUE_INTEGER;		
 	}
 	public void setLearningDesignUIID(Integer id) {
 		this.learningDesignUIID = id;
 	}
 	public String getDescription() {
-		return this.description;
+		return this.description!=null?this.description:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setDescription(String description) {
 		this.description = description;
 	}
 	public String getTitle() {
-		return this.title;
+		return this.title!=null?this.title:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setTitle(String title) {
 		this.title = title;
@@ -252,43 +256,43 @@
 		this.firstActivity = firstActivity;
 	}
 	public Integer getMaxId() {
-		return this.maxId;
+		return maxId!=null?maxId:WDDXTAGS.NUMERIC_NULL_VALUE_INTEGER;
 	}
 	public void setMaxId(Integer maxId) {
 		this.maxId = maxId;
 	}
 	public Boolean getValidDesign() {
-		return this.validDesign;
+		return validDesign!=null?validDesign:WDDXTAGS.BOOLEAN_NULL_VALUE;
 	}
 	public void setValidDesign(Boolean validDesign) {
 		this.validDesign = validDesign;
 	}
 	public Boolean getReadOnly() {
-		return this.readOnly;
+		return readOnly!=null?readOnly:WDDXTAGS.BOOLEAN_NULL_VALUE;
 	}
 	public void setReadOnly(Boolean readOnly) {
 		this.readOnly = readOnly;
 	}
 	public Date getDateReadOnly() {
-		return this.dateReadOnly;
+		return dateReadOnly!=null?dateReadOnly:WDDXTAGS.DATE_NULL_VALUE;
 	}
 	public void setDateReadOnly(Date dateReadOnly) {
 		this.dateReadOnly = dateReadOnly;
 	}
 	public String getHelpText() {
-		return this.helpText;
+		return helpText!=null?helpText:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setHelpText(String helpText) {
 		this.helpText = helpText;
 	}
 	public Date getCreateDateTime() {
-		return this.createDateTime;
+		return createDateTime!=null?createDateTime:WDDXTAGS.DATE_NULL_VALUE;
 	}
 	public void setCreateDateTime(Date createDateTime) {
 		this.createDateTime = createDateTime;
 	}
 	public String getVersion() {
-		return this.version;
+		return version!=null?version:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setVersion(String version) {
 		this.version = version;
@@ -376,19 +380,19 @@
 		this.workspaceFolder = workspaceFolder;
 	}
 	public Long getDuration() {
-		return duration;
+		return duration!=null?duration:WDDXTAGS.NUMERIC_NULL_VALUE_LONG;
 	}
 	public void setDuration(Long duration) {
 		this.duration = duration;
 	}
 	public String getLicenseText() {
-		return licenseText;
+		return licenseText!=null?licenseText:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setLicenseText(String licenseText) {
 		this.licenseText = licenseText;
 	}
 	public Integer getCopyTypeID() {
-		return copyTypeID;
+		return copyTypeID!=null?copyTypeID:WDDXTAGS.NUMERIC_NULL_VALUE_INTEGER;
 	}
 	public void setCopyTypeID(Integer copyTypeID) {
 		this.copyTypeID = copyTypeID;
@@ -400,33 +404,39 @@
 		this.license = license;
 	}
 	public Long getLessonID() {
-		return lessonID;
+		return lessonID!=null?lessonID:WDDXTAGS.NUMERIC_NULL_VALUE_LONG;
 	}
 	public void setLessonID(Long lessonID) {
 		this.lessonID = lessonID;
 	}
 	public String getLessonName() {
-		return lessonName;
+		return lessonName!=null?lessonName:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setLessonName(String lessonName) {
 		this.lessonName = lessonName;
 	}
 	public Long getLessonOrgID() {
-		return lessonOrgID;
+		return lessonOrgID!=null?lessonOrgID:WDDXTAGS.NUMERIC_NULL_VALUE_LONG;
 	}
 	public void setLessonOrgID(Long lessonOrgID) {
 		this.lessonOrgID = lessonOrgID;
 	}
 	public String getLessonOrgName() {
-		return lessonOrgName;
+		return lessonOrgName!=null?lessonOrgName:WDDXTAGS.STRING_NULL_VALUE;
 	}
 	public void setLessonOrgName(String lessonOrgName) {
 		this.lessonOrgName = lessonOrgName;
 	}
 	public Date getLessonStartDateTime() {
-		return lessonStartDateTime;
+		return lessonStartDateTime!=null?lessonStartDateTime:WDDXTAGS.DATE_NULL_VALUE;
 	}
 	public void setLessonStartDateTime(Date lessonStartDateTime) {
 		this.lessonStartDateTime = lessonStartDateTime;
 	}
+	public Date getLastModifiedDateTime() {
+		return lastModifiedDateTime;
+	}
+	public void setLastModifiedDateTime(Date lastModifiedDateTime) {
+		this.lastModifiedDateTime = lastModifiedDateTime;
+	}
 }
\ No newline at end of file