--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/validation/rules/probe/HasProbenahmeBegin.java	Tue Feb 24 10:58:06 2015 +0100
@@ -0,0 +1,25 @@
+package de.intevation.lada.validation.rules.probe;
+
+import java.sql.Timestamp;
+
+import de.intevation.lada.model.land.LProbe;
+import de.intevation.lada.validation.Violation;
+import de.intevation.lada.validation.annotation.ValidationRule;
+import de.intevation.lada.validation.rules.Rule;
+
+@ValidationRule("Probe")
+public class HasProbenahmeBegin implements Rule {
+
+    @Override
+    public Violation execute(Object object) {
+        LProbe probe = (LProbe)object;
+        Timestamp begin = probe.getProbeentnahmeBeginn();
+        if (begin == null) {
+            Violation violation = new Violation();
+            violation.addWarning("probeentnahmeBegin", 631);
+            return violation;
+        }
+        return null;
+    }
+
+}