/* * 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; import java.io.IOException; import java.util.Map; import org.apache.pig.data.Tuple; import org.junit.Test; public class TestAlgebraicEvalWithParameterizedReturnType { public static class AlgebraicEvalFuncWithParameterizedReturnType extends EvalFunc<Map<String, Long>> implements Algebraic { public static class Initial extends EvalFunc<Tuple> { @Override public Tuple exec(Tuple input) throws IOException { return null; } } public static class Intermediate extends EvalFunc<Tuple> { @Override public Tuple exec(Tuple input) throws IOException { return null; } } public static class Final extends EvalFunc<Map<String, Long>> { @Override public Map<String, Long> exec(Tuple input) throws IOException { return null; } } @Override public Map<String, Long> exec(Tuple input) throws IOException { return null; } @Override public String getInitial() { return Initial.class.getName(); } @Override public String getIntermed() { return Intermediate.class.getName(); } @Override public String getFinal() { return Final.class.getName(); } } @Test public void testConstruction() { new AlgebraicEvalFuncWithParameterizedReturnType(); } }