diff --git a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/TRId.java b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/TRId.java
index ed046a8..dba1d94 100644
--- a/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/TRId.java
+++ b/src/main/java/org/gcube/portlets/user/td/widgetcommonevent/shared/TRId.java
@@ -16,26 +16,33 @@ public class TRId implements Serializable {
 	/**
 	 * Tabular resource id
 	 */
-	String id;
+	private String id;
 
 	/**
-	 * Tabular resource type 
+	 * Tabular resource type
 	 */
-	String tabularResourceType;
-	
-	
-	/**
-	 * Last view or table id of tabular resource
-	 */
-	String tableId;
+	private String tabularResourceType;
+
+	/**
+	 * Last view id or table id of tabular resource
+	 */
+	private String tableId;
 
-	
 	/**
 	 * Type of last table or view
 	 */
-	String tableType;
-	
+	private String tableType;
+
+	/**
+	 * If tableId identifies a View then referenceTargertTableId is the
+	 * reference to associated table
+	 */
+	private String referenceTargetTableId;
 	
+	/**
+	 * True if tableId identifies a View
+	 */
+	private boolean viewTable;
 
 	public TRId() {
 
@@ -43,26 +50,43 @@ public class TRId implements Serializable {
 
 	public TRId(String id) {
 		this.id = id;
-		this.tabularResourceType=null;
-		this.tableId = null;
-		this.tableType = null;
+		tabularResourceType = null;
+		tableId = null;
+		tableType = null;
+		referenceTargetTableId = null;
+		viewTable = false;
+
 	}
 
 	public TRId(String id, String tableId) {
 		this.id = id;
-		this.tabularResourceType=null;
+		tabularResourceType = null;
 		this.tableId = tableId;
-		this.tableType = null;
+		tableType = null;
+		referenceTargetTableId = null;
+		viewTable = false;
+
 	}
 
-
-	public TRId(String id, String tabularResourceType, String tableId, String tableType) {
+	public TRId(String id, String tabularResourceType, String tableId,
+			String tableType) {
 		this.id = id;
-		this.tabularResourceType=tabularResourceType;
+		this.tabularResourceType = tabularResourceType;
 		this.tableId = tableId;
 		this.tableType = tableType;
+		referenceTargetTableId = null;
+		viewTable = false;
 	}
 
+	public TRId(String id, String tabularResourceType, String tableId,
+			String tableType, String referenceTargetTableId, boolean viewTable) {
+		this.id = id;
+		this.tabularResourceType = tabularResourceType;
+		this.tableId = tableId;
+		this.tableType = tableType;
+		this.referenceTargetTableId = referenceTargetTableId;
+		this.viewTable = viewTable;
+	}
 
 	public String getId() {
 		return id;
@@ -96,6 +120,22 @@ public class TRId implements Serializable {
 		this.tableType = tableType;
 	}
 
+	public String getReferenceTargetTableId() {
+		return referenceTargetTableId;
+	}
+
+	public void setReferenceTargetTableId(String referenceTargetTableId) {
+		this.referenceTargetTableId = referenceTargetTableId;
+	}
+
+	public boolean isViewTable() {
+		return viewTable;
+	}
+
+	public void setViewTable(boolean viewTable) {
+		this.viewTable = viewTable;
+	}
+
 	public boolean equals(TRId equals) {
 		boolean eq = false;
 		if (id != null && tableId != null && equals != null
@@ -112,10 +152,8 @@ public class TRId implements Serializable {
 	public String toString() {
 		return "TRId [id=" + id + ", tabularResourceType="
 				+ tabularResourceType + ", tableId=" + tableId + ", tableType="
-				+ tableType + "]";
+				+ tableType + ", referenceTargetTableId="
+				+ referenceTargetTableId + ", viewTable=" + viewTable + "]";
 	}
-
 	
-	
-
 }