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 * PropertyConfigured is an annotation to document the configuration key and the default value of a given @Property 031 * annotation on the same {@link java.lang.reflect.AnnotatedElement}. 032 * <p> 033 * See {@link cascading.pipe.assembly.AggregateBy#getCapacity()} for an example. 034 */ 035@Retention(RetentionPolicy.RUNTIME) 036@Target(value = {ElementType.METHOD, ElementType.FIELD}) 037public @interface PropertyConfigured 038 { 039 String value(); 040 041 String defaultValue() default ""; 042 }