| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 com.datatorrent.lib.appdata.query.serde; |
| |
| import javax.validation.Validation; |
| import javax.validation.Validator; |
| import javax.validation.ValidatorFactory; |
| |
| import com.datatorrent.lib.appdata.schemas.Message; |
| |
| /** |
| * This is a Message validator which validates deserialized Messages using java validation. |
| * @since 3.0.0 |
| */ |
| public class SimpleDataValidator implements CustomMessageValidator |
| { |
| private Validator validator; |
| |
| /** |
| * No-arg constructor is requried by {@link CustomMessageValidator} interface. |
| */ |
| public SimpleDataValidator() |
| { |
| ValidatorFactory factory = Validation.buildDefaultValidatorFactory(); |
| this.validator = factory.getValidator(); |
| } |
| |
| @Override |
| public boolean validate(Message data, Object context) |
| { |
| return validator.validate(data).isEmpty(); |
| } |
| } |