001/* 002 * Copyright (c) 2007-2015 Concurrent, 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 * PropertyConfigured is an annotation to document the configuration key and the default value of a given @Property 030 * annotation on the same {@link java.lang.reflect.AnnotatedElement}. 031 * <p/> 032 * See {@link cascading.pipe.assembly.AggregateBy#getCapacity()} for an example. 033 */ 034@Retention(RetentionPolicy.RUNTIME) 035@Target(value = {ElementType.METHOD, ElementType.FIELD}) 036public @interface PropertyConfigured 037 { 038 String value(); 039 040 String defaultValue() default ""; 041 }