Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
NoOpSuperstepOutput |
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| 1.0;1 | ||||
NoOpSuperstepOutput$1 |
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| 1.0;1 |
1 | /* | |
2 | * Licensed to the Apache Software Foundation (ASF) under one | |
3 | * or more contributor license agreements. See the NOTICE file | |
4 | * distributed with this work for additional information | |
5 | * regarding copyright ownership. The ASF licenses this file | |
6 | * to you under the Apache License, Version 2.0 (the | |
7 | * "License"); you may not use this file except in compliance | |
8 | * with the License. You may obtain a copy of the License at | |
9 | * | |
10 | * http://www.apache.org/licenses/LICENSE-2.0 | |
11 | * | |
12 | * Unless required by applicable law or agreed to in writing, software | |
13 | * distributed under the License is distributed on an "AS IS" BASIS, | |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 | * See the License for the specific language governing permissions and | |
16 | * limitations under the License. | |
17 | */ | |
18 | ||
19 | package org.apache.giraph.io.superstep_output; | |
20 | ||
21 | import org.apache.giraph.graph.Vertex; | |
22 | import org.apache.giraph.io.SimpleVertexWriter; | |
23 | import org.apache.hadoop.io.Writable; | |
24 | import org.apache.hadoop.io.WritableComparable; | |
25 | ||
26 | import java.io.IOException; | |
27 | ||
28 | /** | |
29 | * Class to use as {@link SuperstepOutput} when we don't have output during | |
30 | * computation. All the methods are no-ops. | |
31 | * | |
32 | * @param <I> Vertex id | |
33 | * @param <V> Vertex value | |
34 | * @param <E> Edge value | |
35 | */ | |
36 | 0 | public class NoOpSuperstepOutput<I extends WritableComparable, |
37 | V extends Writable, E extends Writable> implements | |
38 | SuperstepOutput<I, V, E> { | |
39 | @Override | |
40 | public SimpleVertexWriter<I, V, E> getVertexWriter() { | |
41 | 0 | return new SimpleVertexWriter<I, V, E>() { |
42 | @Override | |
43 | public void writeVertex(Vertex<I, V, E> vertex) throws IOException, | |
44 | InterruptedException { | |
45 | 0 | } |
46 | }; | |
47 | } | |
48 | ||
49 | @Override | |
50 | public void returnVertexWriter( | |
51 | SimpleVertexWriter<I, V, E> vertexWriter) { | |
52 | 0 | } |
53 | ||
54 | @Override | |
55 | public void postApplication() { | |
56 | 0 | } |
57 | } |