# HG changeset patch
# User Raimund Renkert <rrenkert@intevation.de>
# Date 1371108524 -7200
# Node ID 4b7784416090eae95b165fb8fa89dc0a8cb9d05f
# Parent  ab094cd8d78bd7e41b9bd53851358955ca919c1c
New repository for LMessung.

diff -r ab094cd8d78b -r 4b7784416090 src/main/java/de/intevation/lada/data/LMessungRepository.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/data/LMessungRepository.java	Thu Jun 13 09:28:44 2013 +0200
@@ -0,0 +1,151 @@
+package de.intevation.lada.data;
+
+import java.util.List;
+import java.util.Map;
+
+import javax.ejb.EJBTransactionRolledbackException;
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+import javax.inject.Named;
+import javax.persistence.EntityExistsException;
+import javax.persistence.EntityManager;
+import javax.persistence.TransactionRequiredException;
+import javax.persistence.criteria.CriteriaBuilder;
+import javax.persistence.criteria.CriteriaQuery;
+import javax.persistence.criteria.Predicate;
+import javax.persistence.criteria.Root;
+
+import de.intevation.lada.manage.LMessungManager;
+import de.intevation.lada.model.LMessung;
+import de.intevation.lada.rest.Response;
+import de.intevation.lada.validation.ValidationException;
+import de.intevation.lada.validation.Validator;
+
+/**
+ * This Container is an interface to request, filter and select LMessung
+ * obejcts from the connected database.
+ * 
+ * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
+ */
+@ApplicationScoped
+public class LMessungRepository
+extends Repository
+{
+    /**
+     * The entitymanager managing the data.
+     */
+    @Inject
+    private EntityManager em;
+
+    /**
+     * Manager class for LPRobe. Used to manipulate data objects.
+     */
+    @Inject
+    private LMessungManager manager;
+
+    @Inject
+    @Named("lmessungvalidator")
+    private Validator validator;
+
+    /**
+     * Filter for LProbe objects used for calls from a service.
+     *
+     * @param mstId mst_id
+     * @param uwbId umw_id
+     * @param begin probeentnahmebegin
+     * @return
+     */
+    public Response filter(String probeId) {
+        CriteriaBuilder cb = em.getCriteriaBuilder();
+        CriteriaQuery<LMessung> criteria = cb.createQuery(LMessung.class);
+        Root<LMessung> member = criteria.from(LMessung.class);
+        Predicate probe = cb.equal(member.get("LProbeId"), probeId);
+        criteria.where(probe);
+        List<LMessung> result = filter(criteria);
+        return new Response(true, 200, result);
+    }
+
+    /**
+     * Filter LProbe object list by the given criteria.
+     *
+     * @param criteria
+     * @return List of LProbe objects.
+     */
+    public List<LMessung> filter(CriteriaQuery<LMessung> criteria) {
+        return em.createQuery(criteria).getResultList();
+    }
+
+    /**
+     * Validate and persist a new LProbe object.
+     *
+     * @param probe The new LProbe object
+     * @return Response.
+     */
+    public Response create(LMessung messung) {
+        Response response = new Response(true, 200, messung);
+        // Try to save the new LMessung.
+        try {
+            Map<String, Integer> warnings = validator.validate(messung);
+            manager.create(messung);
+            response.setWarnings(warnings);
+            return response;
+        }
+        catch (EntityExistsException eee) {
+            response.setSuccess(false);
+            response.setMessage(601);
+        }
+        catch (IllegalArgumentException iae) {
+            response.setSuccess(false);
+            response.setMessage(602);
+        }
+        catch (TransactionRequiredException tre) {
+            response.setSuccess(false);
+            response.setMessage(603);
+        }
+        catch (ValidationException ve) {
+            response.setSuccess(false);
+            response.setMessage(604);
+            response.setErrors(ve.getErrors());
+            response.setWarnings(ve.getWarnings());
+        }
+        catch (EJBTransactionRolledbackException te) {
+            response.setSuccess(false);
+            response.setMessage(604);
+        }
+        return response;
+    }
+
+    public Response update(LMessung messung) {
+        Response response = new Response(true, 200, messung);
+        // Try to save the new LProbe.
+        try {
+            Map<String, Integer> warnings = validator.validate(messung);
+            manager.update(messung);
+            response.setWarnings(warnings);
+            return response;
+        }
+        catch (EntityExistsException eee) {
+            response.setSuccess(false);
+            response.setMessage(601);
+        }
+        catch (IllegalArgumentException iae) {
+            response.setSuccess(false);
+            response.setMessage(602);
+        }
+        catch (TransactionRequiredException tre) {
+            response.setSuccess(false);
+            response.setMessage(603);
+        }
+        catch (ValidationException ve) {
+            response.setSuccess(false);
+            response.setMessage(604);
+            response.setErrors(ve.getErrors());
+            response.setWarnings(ve.getWarnings());
+        }
+        catch (EJBTransactionRolledbackException te) {
+            response.setSuccess(false);
+            response.setMessage(604);
+        }
+        return response;
+    }
+}