| /* |
| * 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 org.apache.openjpa.validation; |
| |
| /** |
| * Basic validation interface which defines the contract for |
| * event based validation. Event values are defined in LifeCycleEvent. |
| */ |
| public interface Validator { |
| |
| /** |
| * Validates a given instance |
| * |
| * @param <T> The instance to validate |
| * @param arg0 The class, of type T to validate |
| * @param event The event id |
| * @return ValidationException if the validator produces one or more |
| * constraint violations. |
| */ |
| <T> ValidationException validate(T arg0, int event); |
| |
| /** |
| * Validates a property of a given instance |
| * |
| * @param <T> The instance to validate |
| * @param arg0 The class, of type T to validate |
| * @param property The property to validate |
| * @param event The event id |
| * @return ValidationException if the validator produces one or more |
| * constraint violations. |
| */ |
| <T> ValidationException validateProperty(T arg0, |
| String property, int event); |
| |
| /** |
| * Validates a value based upon the constraints applied to a given class |
| * attribute. |
| * @param <T> The instance type to base validation upon |
| * @param arg0 The class of type T to validate |
| * @param arg1 The property to validate |
| * @param arg2 The property value to validate |
| * @param event The event id |
| * @return ValidationException if the validator produces one or more |
| * constraint violations. |
| */ |
| <T> ValidationException validateValue(Class<T> arg0, |
| String arg1, Object arg2, int event); |
| |
| /** |
| * Method for determining whether validation is active for the given |
| * type and event. |
| * |
| * @param <T> |
| * @param arg0 Type being validated |
| * @param event event type |
| * @return true if validation is active for the specified event |
| */ |
| <T> boolean validating(T arg0, int event); |
| } |