| /* |
| * 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.partition; |
| |
| import org.apache.giraph.edge.ArrayListEdges; |
| import org.apache.giraph.edge.EdgeFactory; |
| import org.apache.giraph.edge.OutEdges; |
| import org.apache.giraph.graph.GiraphTransferRegulator; |
| import org.apache.giraph.job.GiraphJob; |
| import org.apache.giraph.graph.Vertex; |
| import org.apache.hadoop.io.DoubleWritable; |
| import org.apache.hadoop.io.FloatWritable; |
| import org.apache.hadoop.io.IntWritable; |
| import org.apache.hadoop.io.LongWritable; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.when; |
| |
| /** |
| * Test the GiraphTransferRegulator. |
| */ |
| public class TestGiraphTransferRegulator { |
| /** Job filled in by setup() */ |
| private GiraphJob job; |
| /** Instantiated vertex filled in from setup() */ |
| private TestVertex vertex = new TestVertex(); |
| |
| /** |
| * Dummy vertex. |
| */ |
| public static class TestVertex extends |
| Vertex<IntWritable, FloatWritable, DoubleWritable, LongWritable> { |
| @Override |
| public void compute(Iterable<LongWritable> messages) throws IOException { } |
| } |
| |
| @Before |
| public void setUp() { |
| try { |
| job = new GiraphJob("TestGiraphTransferRegulator"); |
| } catch (IOException e) { |
| throw new RuntimeException("setUp: Failed", e); |
| } |
| job.getConfiguration().setVertexClass(TestVertex.class); |
| } |
| |
| @Test |
| public void testGiraphTransferRegulator() { |
| job.getConfiguration() |
| .setInt(GiraphTransferRegulator.MAX_VERTICES_PER_TRANSFER, 1); |
| job.getConfiguration() |
| .setInt(GiraphTransferRegulator.MAX_EDGES_PER_TRANSFER, 3); |
| OutEdges<IntWritable, DoubleWritable> edges = |
| new ArrayListEdges<IntWritable, DoubleWritable>(); |
| edges.initialize(3); |
| edges.add(EdgeFactory.create(new IntWritable(2), new DoubleWritable(22))); |
| edges.add(EdgeFactory.create(new IntWritable(3), new DoubleWritable(33))); |
| edges.add(EdgeFactory.create(new IntWritable(4), new DoubleWritable(44))); |
| vertex.initialize(new IntWritable(1), new FloatWritable(1), edges); |
| GiraphTransferRegulator gtr = |
| new GiraphTransferRegulator(job.getConfiguration()); |
| PartitionOwner owner = mock(PartitionOwner.class); |
| when(owner.getPartitionId()).thenReturn(57); |
| assertFalse(gtr.transferThisPartition(owner)); |
| gtr.incrementCounters(owner, vertex); |
| assertTrue(gtr.transferThisPartition(owner)); |
| } |
| |
| } |