added DB.exec and DB.execWithTransaction

modules/dbsupport/src/main/java/org/jpos/ee/DB.java

@@ -31,6 +31,7 @@
 import org.jpos.util.LogEvent;
 import org.jpos.util.Logger;
 
+import java.io.Closeable;
 import java.util.Set;
 
 /**
@@ -41,8 +42,7 @@
  *          to Hibernate O/R mapping engine
  */
 @SuppressWarnings({"UnusedDeclaration"})
-public class DB
-{
+public class DB implements Closeable {
     Session session;
     Log log;
 
@@ -229,6 +229,22 @@ public synchronized void setLog(Log log)
         this.log = log;
     }
 
+    public static Object exec (DBAction action) {
+        try (DB db = new DB()) {
+            db.open();
+            return action.exec(db);
+        }
+    }
+    public static Object execWithTransaction (DBAction action) {
+        try (DB db = new DB()) {
+            db.open();
+            db.beginTransaction();
+            Object obj = action.exec(db);
+            db.commit();
+            return obj;
+        }
+    }
+
     @SuppressWarnings({"unchecked"})
     public void printStats()
     {

modules/dbsupport/src/main/java/org/jpos/ee/DBAction.java

@@ -0,0 +1,24 @@
+/*
+ * jPOS Project [http://jpos.org]
+ * Copyright (C) 2000-2015 Alejandro P. Revilla
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.jpos.ee;
+
+@FunctionalInterface
+public interface DBAction {
+    Object exec (DB db);
+}       

modules/testbed/build.gradle

@@ -2,6 +2,12 @@ description = 'jPOS-EE :: Testbed'
 
 dependencies {
     compile project(':modules:core')
+    compile project(':modules:logback')
+    compile project(':modules:dbsupport')
+    compile project(':modules:db-h2')
+    compile project(':modules:sysconfig')
+    compile project(':modules:eeuser')
+    compile project(':modules:syslog')
 }
 
 apply from: '../../jpos-app.gradle'