UI initial implementation.

[validation.git] / ui / src / main / java / org / akraino / validation / ui / daoimpl / TimeslotDAOImpl.java

diff --git a/ui/src/main/java/org/akraino/validation/ui/daoimpl/TimeslotDAOImpl.java b/ui/src/main/java/org/akraino/validation/ui/daoimpl/TimeslotDAOImpl.java
new file mode 100644 (file)
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+/*
+ * Copyright (c) 2019 AT&T Intellectual Property. All rights reserved.
+ *
+ * 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.akraino.validation.ui.daoimpl;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Root;
+
+import org.akraino.validation.ui.dao.TimeslotDAO;
+import org.akraino.validation.ui.entity.Timeslot;
+import org.apache.log4j.Logger;
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.hibernate.query.Query;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class TimeslotDAOImpl implements TimeslotDAO {
+
+    private static final Logger LOGGER = Logger.getLogger(TimeslotDAOImpl.class);
+
+    @Autowired
+    private SessionFactory sessionFactory;
+
+    protected Session getSession() {
+        return sessionFactory.getCurrentSession();
+    }
+
+    @Override
+    public List<Timeslot> getTimeslots() {
+
+        CriteriaBuilder builder = getSession().getCriteriaBuilder();
+        CriteriaQuery<Timeslot> criteria = builder.createQuery(Timeslot.class);
+
+        Root<Timeslot> root = criteria.from(Timeslot.class);
+        criteria.select(root);
+
+        Query<Timeslot> query = getSession().createQuery(criteria);
+
+        return query.getResultList();
+
+    }
+
+    @Override
+    public Timeslot getTimeslot(Integer timeslotId) {
+
+        EntityManager entityManager = getSession().getEntityManagerFactory().createEntityManager();
+
+        return entityManager.find(Timeslot.class, timeslotId);
+    }
+
+    @Override
+    public void saveOrUpdate(Timeslot timeslot) {
+        getSession().saveOrUpdate(timeslot);
+
+    }
+
+    @Override
+    public void merge(Timeslot timeslot) {
+        getSession().merge(timeslot);
+
+    }
+
+    @Override
+    public void deleteTimeslot(Timeslot timeslot) {
+        getSession().delete(timeslot);
+
+    }
+
+    @Override
+    public void deleteAll() {
+
+        Query<?> query = getSession().createQuery("delete from Timeslot");
+
+        int result = query.executeUpdate();
+
+        if (result > 0) {
+            LOGGER.info("All timeslot entries are cleaned up");
+        }
+    }
+
+}