From a2ea87687d99c161866e2e4c9e459a3a617be3ad Mon Sep 17 00:00:00 2001
From: Loredana Liccardo <loredana.liccardo@isti.cnr.it>
Date: Fri, 1 Aug 2014 15:21:17 +0000
Subject: [PATCH] - exception management for SQLGrammarException adding a cause
 message - method removeQueryExecution implemented and commented in class
 ConnectionManager

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-access/DatabasesResourcesManager@99191 82a268e6-3cf1-43bd-a215-b396298e98cf
---
 .../databases/utils/ConnectionManager.java    | 98 ++++++++++++-------
 1 file changed, 61 insertions(+), 37 deletions(-)

diff --git a/src/main/java/org/gcube/dataaccess/databases/utils/ConnectionManager.java b/src/main/java/org/gcube/dataaccess/databases/utils/ConnectionManager.java
index 9fd14db..d76b901 100644
--- a/src/main/java/org/gcube/dataaccess/databases/utils/ConnectionManager.java
+++ b/src/main/java/org/gcube/dataaccess/databases/utils/ConnectionManager.java
@@ -51,7 +51,7 @@ public class ConnectionManager {
 		} catch (Exception e) {
 			System.out.println("ERROR IN DB INITIALIZATION : "
 					+ e.getLocalizedMessage());
-			e.printStackTrace();
+			// e.printStackTrace();
 			// AnalysisLogger.getLogger().trace(e);
 		}
 		return dbHibConnection;
@@ -128,13 +128,12 @@ public class ConnectionManager {
 		try {
 			ss = DBSessionFactory.getCurrentSession();
 
-			//print check added to measure the timeout
-//			AnalysisLogger.getLogger().debug(
-//					"In ConnectionManager-> beginTransaction: ");
+			// print check added to measure the timeout
+			// AnalysisLogger.getLogger().debug(
+			// "In ConnectionManager-> beginTransaction: ");
 
 			ss.beginTransaction();
-			
-			
+
 			Query qr = null;
 
 			// statement to check if the query is a "show create table"
@@ -176,6 +175,7 @@ public class ConnectionManager {
 					"In ConnectionManager-> executing query: " + query);
 
 			qr = ss.createSQLQuery(query);
+			
 
 			qr.setResultTransformer(AliasToEntityOrderedMapResultTransformer.INSTANCE);
 
@@ -225,23 +225,28 @@ public class ConnectionManager {
 
 				// System.out.println(e.getClass().toString());
 
-//				AnalysisLogger
-//						.getLogger()
-//						.debug("In ConnectionManager-> ERROR The query could not be executed: Error in retrieving a user defined type. Try to use a store procedure to convert the type");
-//
-//				throw new Exception(
-//						"The query could not be executed: Error in retrieving a user defined type. Try to use a store procedure to convert the type");
-				
+				// AnalysisLogger
+				// .getLogger()
+				// .debug("In ConnectionManager-> ERROR The query could not be executed: Error in retrieving a user defined type. Try to use a store procedure to convert the type");
+				//
+				// throw new Exception(
+				// "The query could not be executed: Error in retrieving a user defined type. Try to use a store procedure to convert the type");
+
 				AnalysisLogger.getLogger().debug(
-						"In ConnectionManager-> "
-								+ e.getLocalizedMessage());
-				
+						"In ConnectionManager-> " + e.getLocalizedMessage());
+
 				throw new Exception(e.getLocalizedMessage());
-				
+
 			}
 
 			if (e instanceof org.hibernate.exception.SQLGrammarException) {
 
+				String cause = "";
+				if (e.getCause() != null) {
+					cause = e.getCause().getLocalizedMessage();
+					// System.out.println(e.getCause().getLocalizedMessage());
+				}
+
 				// System.out.println(e.getCause().getMessage());
 
 				// AnalysisLogger.getLogger().debug("In ConnectionManager-> ERROR The query could not be executed: SQL grammar error in the query");
@@ -249,32 +254,31 @@ public class ConnectionManager {
 				// throw new
 				// Exception("The query could not be executed: SQL grammar error in the query");
 
-//				AnalysisLogger.getLogger().debug(
-//						"In ConnectionManager-> "
-//								+ e.getCause().getLocalizedMessage());
-//				
-//				throw new Exception(e.getCause().getMessage());
-				
+				// AnalysisLogger.getLogger().debug(
+				// "In ConnectionManager-> "
+				// + e.getCause().getLocalizedMessage());
+				//
+				// throw new Exception(e.getCause().getMessage());
+
 				AnalysisLogger.getLogger().debug(
-						"In ConnectionManager-> "
-								+ e.getLocalizedMessage());
-				
-				throw new Exception(e.getLocalizedMessage());
+						"In ConnectionManager-> " + e.getLocalizedMessage()
+								+ "." + cause);
+
+				throw new Exception(e.getLocalizedMessage() + "." + cause);
 
 			}
 
 			if (e instanceof org.hibernate.exception.GenericJDBCException) {
-				
-//				AnalysisLogger.getLogger().debug(
-//						"In ConnectionManager-> "
-//								+ e.getCause().toString());
-				
-//				e.printStackTrace();
-				
+
+				// AnalysisLogger.getLogger().debug(
+				// "In ConnectionManager-> "
+				// + e.getCause().toString());
+
+				// e.printStackTrace();
+
 				AnalysisLogger.getLogger().debug(
-						"In ConnectionManager-> "
-								+ e.getLocalizedMessage());
-										
+						"In ConnectionManager-> " + e.getLocalizedMessage());
+
 				throw new Exception(e.getLocalizedMessage());
 
 			}
@@ -291,6 +295,26 @@ public class ConnectionManager {
 		return obj;
 
 	}
+	
+//	//to cancel the execution of the current query
+//	public void removeQueryExecution(SessionFactory DBSessionFactory) throws Exception{
+//		
+//		try{
+//			
+//			Session ss = DBSessionFactory.getCurrentSession();
+//
+//			ss.beginTransaction();
+//
+//			ss.cancelQuery();
+//
+//			ss.getTransaction().commit();
+//			
+//		}
+//		catch (Exception e) {
+//			throw e;
+//		}
+//			
+//	}
 
 	// /** Method that creates the connection */
 	// public SessionFactory createConnection(AlgorithmConfiguration config) {