001/* 002 * Copyright (c) 2016-2017 Chris K Wensel <chris@wensel.net>. All Rights Reserved. 003 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 004 * 005 * Project and contact information: http://www.cascading.org/ 006 * 007 * This file is part of the Cascading project. 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package cascading.management.annotation; 023 024import java.lang.annotation.ElementType; 025import java.lang.annotation.Retention; 026import java.lang.annotation.RetentionPolicy; 027import java.lang.annotation.Target; 028 029/** 030 * PropertyOrder is an annotation at the class level that controls the sort order of the Property annotations present 031 * on that class. 032 * <p> 033 * Order.DECLARED is the default sort order in which the properties are returned in the order they are returned by the 034 * reflection API of the JVM. This can be implementation specific and is not guaranteed to be stable. 035 * <p> 036 * Using Order.ALPHABETICAL will cause the properties to be sorted alphabetically. 037 * <p> 038 * Order.GIVEN and an array of Strings containing <em>all</em> properties of that class, will result in a custom order. 039 */ 040@Retention(RetentionPolicy.RUNTIME) 041@Target(ElementType.TYPE) 042public @interface PropertyOrder 043 { 044 Order order() default Order.DECLARED; 045 046 String[] properties() default {}; 047 }