| /* |
| * 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.giraph; |
| |
| import org.apache.giraph.conf.GiraphConfiguration; |
| import org.apache.giraph.counters.GiraphHadoopCounter; |
| import org.apache.giraph.counters.GiraphStats; |
| import org.apache.giraph.examples.SimplePageRankComputation.SimplePageRankVertexInputFormat; |
| import org.apache.giraph.examples.SimplePageRankComputation.SimplePageRankVertexOutputFormat; |
| |
| |
| import org.apache.giraph.graph.BasicComputation; |
| import org.apache.giraph.graph.Vertex; |
| import org.apache.giraph.job.GiraphJob; |
| import org.apache.hadoop.io.DoubleWritable; |
| import org.apache.hadoop.io.FloatWritable; |
| import org.apache.hadoop.io.LongWritable; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Unit test for testing max superstep feature of Giraph |
| */ |
| public class TestMaxSuperstep extends BspCase { |
| public TestMaxSuperstep() { |
| super(TestMaxSuperstep.class.getName()); |
| } |
| |
| /** |
| * Simple test vertex class that will run forever (voteToHalt is never |
| * called). |
| */ |
| public static class InfiniteLoopComputation extends BasicComputation< |
| LongWritable, DoubleWritable, FloatWritable, DoubleWritable> { |
| @Override |
| public void compute( |
| Vertex<LongWritable, DoubleWritable, FloatWritable> vertex, |
| Iterable<DoubleWritable> messages) throws IOException { |
| } |
| } |
| |
| /** |
| * Run a job that tests that this job completes in the desired number of |
| * supersteps |
| * |
| * @throws java.io.IOException |
| * @throws ClassNotFoundException |
| * @throws InterruptedException |
| */ |
| @Test |
| public void testMaxSuperstep() |
| throws IOException, InterruptedException, ClassNotFoundException { |
| GiraphConfiguration conf = new GiraphConfiguration(); |
| conf.setComputationClass(InfiniteLoopComputation.class); |
| conf.setVertexInputFormatClass(SimplePageRankVertexInputFormat.class); |
| conf.setVertexOutputFormatClass(SimplePageRankVertexOutputFormat.class); |
| GiraphJob job = prepareJob(getCallingMethodName(), conf, |
| getTempPath(getCallingMethodName())); |
| job.getConfiguration().setMaxNumberOfSupersteps(3); |
| assertTrue(job.run(true)); |
| if (!runningInDistributedMode()) { |
| GiraphHadoopCounter superstepCounter = |
| GiraphStats.getInstance().getSuperstepCounter(); |
| assertEquals(superstepCounter.getValue(), 3L); |
| } |
| } |
| } |