- Fix SAP Transaction methods error (#825)

* - Fix SAP Transaction methods error when  assigning empty scope before TransactionBegin/TransactionCommit

Issue 106402

* - Change zero length test for isEmpty

Author: AlejandroP

java/src/main/java/com/genexus/sap/SessionManager.java

@@ -153,10 +153,10 @@ public void TransactionBegin()
 			try
 			{					
 				destinationName = (String)destinationObj;
-				scopeName  = (String)scopeObj;
+				scopeName  = String.valueOf( scopeObj);
 				Log.info("GX SAP - Begin Transaction " +  destinationName);
 				JCoDestination destination = null;
-				if (scopeName.length() == 0) 
+				if (scopeName.isEmpty()) 
 					destination = JCoDestinationManager.getDestination(destinationName);		
 				else 	
 					destination = JCoDestinationManager.getDestination(destinationName, scopeName);		
@@ -180,12 +180,12 @@ public void TransactionCommit()
 			try
 			{
 				JCoDestination destination = null;
-				destinationName = (String)destinationObj;						
-				if ( scopeObject == null ||  ((String)scopeObject).length() == 0 ) {
+				destinationName = (String)destinationObj;
+				scopeName = String.valueOf(scopeObject);
+				if ( scopeName.isEmpty() ) {
 					destination = JCoDestinationManager.getDestination(destinationName);
 				}
 				else {
-					scopeName = (String)scopeObject;
 					destination = JCoDestinationManager.getDestination(destinationName, scopeName);	
 				}
 				Log.info("GX SAP - Commit Transaction " +  destinationName);	
@@ -456,4 +456,4 @@ public void setRepositoryName(String value)
 	{
 		repositoryName = value;
 	}
-}
+}