fix to registration problem related to invoking java bridge

Author: mdesiderio

initializers/dataAccess.js

@@ -113,14 +113,19 @@ function parameterizeQuery(query, params, callback) {
     });
 }
 
+function isSafeToUseJavaBridge(sql) {
+  var lowerSQL = sql.toLowerCase();
+  return lowerSQL.indexOf("insert") === -1 && lowerSQL.indexOf("update") === -1 && lowerSQL.indexOf("delete") === -1;
+}
+
 function executePreparedStatement(api, sql, parameters, connection, next, db) {
     async.waterfall([
         function (cb) {
             parameterizeQuery(sql, parameters, cb);
         }, function (parametrizedQuery, cb) {
             sql = parametrizedQuery;
 
-            if (api.helper.readTransaction) {
+            if (isSafeToUseJavaBridge(sql) && api.helper.readTransaction) {
                 api.log("Calling Java Bridge", "debug");
 
                 api.log(sql, "debug");
@@ -304,7 +309,9 @@ exports.dataAccess = function (api, next) {
                 return;
             }
 
-            if (!api.helper.readTransaction) {
+        sql = queries[queryName].sql;
+
+            if (!isSafeToUseJavaBridge(sql) || !api.helper.readTransaction) {
                 connection = connectionMap[queries[queryName].db];
                 error = helper.checkObject(connection, "connection");
             }
@@ -314,7 +321,6 @@ exports.dataAccess = function (api, next) {
                 return;
             }
 
-            sql = queries[queryName].sql;
             if (!sql) {
                 api.log('Unregistered query ' + queryName + ' is asked for.', 'error');
                 next('The query for name ' + queryName + ' is not registered');
@@ -354,7 +360,7 @@ exports.dataAccess = function (api, next) {
                 return;
             }
 
-            if (!api.helper.readTransaction) {
+            if (!isSafeToUseJavaBridge(sql) || !api.helper.readTransaction) {
                 connection = connectionMap[dbName];
                 error = helper.checkObject(connection, "connection");
             }
@@ -368,4 +374,4 @@ exports.dataAccess = function (api, next) {
         }
     };
     next();
-};
+};