Insert custom constraintViolationException

Signed-off-by: Melanie Retter <melanie.retter@bosch-si.com>

hawkbit-repository/hawkbit-repository-api/src/main/java/org/eclipse/hawkbit/repository/exception/ConstraintViolationException.java

@@ -0,0 +1,33 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.repository.exception;
+
+import org.eclipse.hawkbit.exception.AbstractServerRtException;
+import org.eclipse.hawkbit.exception.SpServerError;
+
+/**
+ * the {@link ConstraintViolationException} is thrown when an entity is
+ * tried to be saved which has constraint violations
+ *
+ */
+public class ConstraintViolationException extends AbstractServerRtException {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Constructor for {@link ConstraintViolationException}
+     * 
+     * @param message
+     *            the message to be displayed as exception message
+     */
+    public ConstraintViolationException(final String message) {
+        super(message, SpServerError.SP_REPO_CONSTRAINT_VIOLATION);
+    }
+
+}