Java tutorial
/* * 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.beam.runners.spark; import com.google.common.collect.ImmutableList; import java.util.List; import org.apache.beam.runners.core.construction.PTransformMatchers; import org.apache.beam.runners.core.construction.PTransformTranslation; import org.apache.beam.runners.core.construction.SplittableParDo; import org.apache.beam.runners.core.construction.SplittableParDoNaiveBounded; import org.apache.beam.runners.core.construction.UnsupportedOverrideFactory; import org.apache.beam.sdk.runners.PTransformOverride; import org.apache.beam.sdk.transforms.PTransform; /** {@link PTransform} overrides for Flink runner. */ public class SparkTransformOverrides { public static List<PTransformOverride> getDefaultOverrides(boolean streaming) { ImmutableList.Builder<PTransformOverride> builder = ImmutableList.builder(); // TODO: [BEAM-5358] Support @RequiresStableInput on Spark runner builder.add( PTransformOverride.of(PTransformMatchers.requiresStableInputParDoMulti(), UnsupportedOverrideFactory .withMessage("Spark runner currently doesn't support @RequiresStableInput annotation."))); if (!streaming) { builder.add(PTransformOverride.of(PTransformMatchers.splittableParDo(), new SplittableParDo.OverrideFactory())) .add(PTransformOverride.of( PTransformMatchers.urnEqualTo(PTransformTranslation.SPLITTABLE_PROCESS_KEYED_URN), new SplittableParDoNaiveBounded.OverrideFactory())); } return builder.build(); } }