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 1b5b300..9f7b29d 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
@@ -19,12 +19,11 @@ public class TRId implements Serializable {
 	 * Tabular resource id
 	 */
 	private String id;
-	
+
 	/**
 	 * TabResourceType: Standard, Flow....
 	 */
 	private TabResourceType tabResourceType;
-	
 
 	/**
 	 * Tabular resource type: Generic, Codelist, Dataset...
@@ -46,19 +45,27 @@ public class TRId implements Serializable {
 	 * reference to associated table
 	 */
 	private String referenceTargetTableId;
-	
+
 	/**
 	 * True if tableId identifies a View
 	 */
 	private boolean viewTable;
 
+	
+	public static TRId newInstance(TRId trId) {
+		return new TRId(trId.getId(), trId.getTabResourceType(),
+				trId.getTableTypeName(), trId.getTableId(),
+				trId.getTableType(), trId.getReferenceTargetTableId(),
+				trId.isViewTable());
+	}
+
 	public TRId() {
 
 	}
 
 	public TRId(String id) {
 		this.id = id;
-		tabResourceType=null;
+		tabResourceType = null;
 		tableTypeName = null;
 		tableId = null;
 		tableType = null;
@@ -69,7 +76,7 @@ public class TRId implements Serializable {
 
 	public TRId(String id, TabResourceType tabResourceType, String tableId) {
 		this.id = id;
-		this.tabResourceType=tabResourceType;
+		this.tabResourceType = tabResourceType;
 		tableTypeName = null;
 		this.tableId = tableId;
 		tableType = null;
@@ -78,8 +85,8 @@ public class TRId implements Serializable {
 
 	}
 
-	public TRId(String id, TabResourceType tabResourceType, String tableTypeName,
-			String tableId, String tableType) {
+	public TRId(String id, TabResourceType tabResourceType,
+			String tableTypeName, String tableId, String tableType) {
 		this.id = id;
 		this.tableTypeName = tableTypeName;
 		this.tableId = tableId;
@@ -88,8 +95,9 @@ public class TRId implements Serializable {
 		viewTable = false;
 	}
 
-	public TRId(String id, TabResourceType tabResourceType, String tableTypeName,
-			String tableId, String tableType, String referenceTargetTableId, boolean viewTable) {
+	public TRId(String id, TabResourceType tabResourceType,
+			String tableTypeName, String tableId, String tableType,
+			String referenceTargetTableId, boolean viewTable) {
 		this.id = id;
 		this.tableTypeName = tableTypeName;
 		this.tableId = tableId;
@@ -105,8 +113,7 @@ public class TRId implements Serializable {
 	public void setId(String id) {
 		this.id = id;
 	}
-	
-	
+
 	public TabResourceType getTabResourceType() {
 		return tabResourceType;
 	}
@@ -175,7 +182,4 @@ public class TRId implements Serializable {
 				+ referenceTargetTableId + ", viewTable=" + viewTable + "]";
 	}
 
-	
-	
-	
 }