1 files changed, 62 insertions, 0 deletions
diff --git a/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/dao/AbstractDao.java b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/dao/AbstractDao.java
new file mode 100644
index 00000000..0b274068
--- /dev/null
+++ b/ecomp-sdk/epsdk-core/src/main/java/org/openecomp/portalsdk/core/dao/AbstractDao.java
@@ -0,0 +1,62 @@
+/*-
+ * ================================================================================
+ * eCOMP Portal SDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ================================================================================
+ */
+package org.openecomp.portalsdk.core.dao;
+import java.io.Serializable;
+import java.lang.reflect.ParameterizedType;
+
+import org.hibernate.Criteria;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+ 
+public abstract class AbstractDao<PK extends Serializable, T> {
+     
+    private final Class<T> persistentClass;
+     
+    @SuppressWarnings("unchecked")
+    public AbstractDao(){
+        this.persistentClass =(Class<T>) ((ParameterizedType) this.getClass().getGenericSuperclass()).getActualTypeArguments()[1];
+    }
+     
+    @Autowired
+    private SessionFactory sessionFactory;
+ 
+    protected Session getSession(){
+        return sessionFactory.getCurrentSession();
+    }
+ 
+    @SuppressWarnings("unchecked")
+    public T getByKey(PK key) {
+        return (T) getSession().get(persistentClass, key);
+    }
+ 
+    public void persist(T entity) {
+        getSession().persist(entity);
+    }
+ 
+    public void delete(T entity) {
+        getSession().delete(entity);
+    }
+     
+    protected Criteria createEntityCriteria(){
+        return getSession().createCriteria(persistentClass);
+    }
+ 
+}