changeset 126:410a3a25b3e9

New manager for LMessung.
author Raimund Renkert <rrenkert@intevation.de>
date Thu, 13 Jun 2013 09:27:51 +0200
parents af62a2309106
children ab094cd8d78b
files src/main/java/de/intevation/lada/manage/LMessungManager.java
diffstat 1 files changed, 72 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/manage/LMessungManager.java	Thu Jun 13 09:27:51 2013 +0200
@@ -0,0 +1,72 @@
+package de.intevation.lada.manage;
+
+import javax.ejb.EJBTransactionRolledbackException;
+import javax.ejb.Stateless;
+import javax.ejb.TransactionAttribute;
+import javax.ejb.TransactionAttributeType;
+import javax.inject.Inject;
+import javax.persistence.EntityExistsException;
+import javax.persistence.EntityManager;
+import javax.persistence.TransactionRequiredException;
+
+import de.intevation.lada.model.LMessung;
+
+/**
+ * This Manager provides database operations for LMessung objects.
+ *
+ * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
+ */
+@Stateless
+public class LMessungManager
+{
+    @Inject
+    private EntityManager em;
+
+    /**
+     * Delete a LProbe object by id.
+     *
+     * @param id
+     * @throws Exception
+     */
+    @TransactionAttribute(TransactionAttributeType.REQUIRED)
+    public void delete(String id) throws Exception {
+        LMessung probe = em.find(LMessung.class, id);
+        em.remove(probe);
+    }
+
+    /**
+     * Persist a new LProbe object in the database using the LProbeValidator.
+     *
+     * @param probe The new LProbe object.
+     *
+     * @throws EntityExistsException
+     * @throws IllegalArgumentException
+     * @throws TransactionRequiredException
+     */
+    @TransactionAttribute(TransactionAttributeType.REQUIRED)
+    public void create(LMessung probe)
+    throws EntityExistsException,
+        IllegalArgumentException,
+        EJBTransactionRolledbackException,
+        TransactionRequiredException {
+        em.persist(probe);
+    }
+
+    /**
+     * Updates a LProbe object in the database.
+     *
+     * @param probe The new LProbe object.
+     *
+     * @throws EntityExistsException
+     * @throws IllegalArgumentException
+     * @throws TransactionRequiredException
+     */
+    @TransactionAttribute(TransactionAttributeType.REQUIRED)
+    public void update(LMessung probe)
+    throws EntityExistsException,
+        IllegalArgumentException,
+        EJBTransactionRolledbackException,
+        TransactionRequiredException {
+        em.merge(probe);
+    }
+}
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