| /* |
| * 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.flink; |
| |
| import org.apache.beam.sdk.Pipeline; |
| import org.apache.beam.sdk.Pipeline.PipelineExecutionException; |
| import org.apache.beam.sdk.PipelineResult; |
| import org.apache.beam.sdk.PipelineRunner; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.sdk.options.PipelineOptionsFactory; |
| import org.apache.beam.sdk.util.UserCodeException; |
| |
| /** Test Flink runner. */ |
| public class TestFlinkRunner extends PipelineRunner<PipelineResult> { |
| |
| private FlinkRunner delegate; |
| |
| private TestFlinkRunner(FlinkPipelineOptions options) { |
| options.setRunner(TestFlinkRunner.class); |
| options.setShutdownSourcesOnFinalWatermark(true); |
| if (options.getParallelism() == -1) { |
| // Limit parallelism to avoid too much memory consumption during local execution |
| options.setParallelism(1); |
| } |
| this.delegate = FlinkRunner.fromOptions(options); |
| } |
| |
| public static TestFlinkRunner fromOptions(PipelineOptions options) { |
| FlinkPipelineOptions flinkOptions = options.as(FlinkPipelineOptions.class); |
| return new TestFlinkRunner(flinkOptions); |
| } |
| |
| public static TestFlinkRunner create(boolean streaming) { |
| FlinkPipelineOptions flinkOptions = PipelineOptionsFactory.as(FlinkPipelineOptions.class); |
| flinkOptions.setStreaming(streaming); |
| return TestFlinkRunner.fromOptions(flinkOptions); |
| } |
| |
| @Override |
| public PipelineResult run(Pipeline pipeline) { |
| try { |
| return delegate.run(pipeline); |
| } catch (Throwable t) { |
| // Special case hack to pull out assertion errors from PAssert; instead there should |
| // probably be a better story along the lines of UserCodeException. |
| UserCodeException innermostUserCodeException = null; |
| Throwable current = t; |
| for (; current.getCause() != null; current = current.getCause()) { |
| if (current instanceof UserCodeException) { |
| innermostUserCodeException = (UserCodeException) current; |
| } |
| } |
| if (innermostUserCodeException != null) { |
| current = innermostUserCodeException.getCause(); |
| } |
| if (current instanceof AssertionError) { |
| throw (AssertionError) current; |
| } |
| throw new PipelineExecutionException(current); |
| } |
| } |
| |
| public PipelineOptions getPipelineOptions() { |
| return delegate.getPipelineOptions(); |
| } |
| } |