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