/* * 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.samza.system.descriptors; import java.util.Collections; import org.apache.samza.system.descriptors.examples.transforming.ExampleTransformingInputDescriptor; import org.apache.samza.system.descriptors.examples.transforming.ExampleTransformingOutputDescriptor; import org.apache.samza.system.descriptors.examples.transforming.ExampleTransformingSystemDescriptor; import org.apache.samza.serializers.IntegerSerde; import org.apache.samza.system.SystemStreamMetadata; import org.junit.Test; import static org.junit.Assert.assertEquals; public class TestTransformingInputDescriptor { @Test public void testAPIUsage() { // does not assert anything, but acts as a compile-time check on expected descriptor type parameters // and validates that the method calls can be chained. ExampleTransformingSystemDescriptor imeTransformingSystem = new ExampleTransformingSystemDescriptor("imeTransformingSystem") .withSystemConfigs(Collections.emptyMap()); ExampleTransformingInputDescriptor<Long> input1 = imeTransformingSystem.getInputDescriptor("input1", new IntegerSerde()); ExampleTransformingOutputDescriptor<Integer> output1 = imeTransformingSystem.getOutputDescriptor("output1", new IntegerSerde()); input1 .shouldBootstrap() .withOffsetDefault(SystemStreamMetadata.OffsetType.NEWEST) .withPriority(1) .shouldResetOffset() .withStreamConfigs(Collections.emptyMap()); output1 .withStreamConfigs(Collections.emptyMap()); } @Test public void testISDObjectsWithOverrides() { ExampleTransformingSystemDescriptor imeTransformingSystem = new ExampleTransformingSystemDescriptor("imeTransformingSystem"); IntegerSerde streamSerde = new IntegerSerde(); ExampleTransformingInputDescriptor<Long> overridingISD = imeTransformingSystem.getInputDescriptor("input-stream", streamSerde); assertEquals(streamSerde, overridingISD.getSerde()); assertEquals(imeTransformingSystem.getTransformer().get(), overridingISD.getTransformer().get()); } }