/* * 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.pig.scripting.groovy; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * This annotation is to be used on a Groovy method which * is part of an Algebraic UDF to indicate that it will * act as the exec method of the 'Final' class of the UDF. * * The value of the annotation is the name of the Algebraic UDF * it belongs to. * * The annotated method MUST NOT accept any parameters. * Its return value will be that of the Algebraic UDF. */ @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface AlgebraicFinal { String value(); }