Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Small2GraphInit |
|
| 1.25;1.25 |
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 | package org.apache.giraph.block_app.test_setup.graphs; | |
19 | ||
20 | import org.apache.giraph.block_app.test_setup.NumericTestGraph; | |
21 | import org.apache.giraph.block_app.test_setup.TestGraphModifier; | |
22 | import org.apache.giraph.function.Supplier; | |
23 | import org.apache.hadoop.io.Writable; | |
24 | import org.apache.hadoop.io.WritableComparable; | |
25 | ||
26 | ||
27 | /** | |
28 | * Create a network that looks like: | |
29 | * 1 5 | |
30 | * / \ / \ 6 | |
31 | * 0---2 3---4 | |
32 | * | |
33 | * where 6 is disconnected from the rest of the network. | |
34 | * | |
35 | * @param <I> Vertex id type | |
36 | * @param <V> Vertex value type | |
37 | * @param <E> Edge value type | |
38 | */ | |
39 | public class Small2GraphInit<I extends WritableComparable, | |
40 | V extends Writable, E extends Writable> | |
41 | implements TestGraphModifier<I, V, E> { | |
42 | private final Supplier<E> edgeSupplier; | |
43 | ||
44 | public Small2GraphInit() { | |
45 | 0 | this(null); |
46 | 0 | } |
47 | ||
48 | 0 | public Small2GraphInit(Supplier<E> edgeSupplier) { |
49 | 0 | this.edgeSupplier = edgeSupplier; |
50 | 0 | } |
51 | ||
52 | @Override | |
53 | public void modifyGraph(NumericTestGraph<I, V, E> graph) { | |
54 | 0 | graph.addSymmetricEdge(0, 1, createEdgeValue()); |
55 | 0 | graph.addSymmetricEdge(0, 2, createEdgeValue()); |
56 | 0 | graph.addSymmetricEdge(1, 2, createEdgeValue()); |
57 | 0 | graph.addSymmetricEdge(3, 4, createEdgeValue()); |
58 | 0 | graph.addSymmetricEdge(3, 5, createEdgeValue()); |
59 | 0 | graph.addSymmetricEdge(4, 5, createEdgeValue()); |
60 | ||
61 | 0 | graph.addVertex(6); |
62 | 0 | } |
63 | ||
64 | private E createEdgeValue() { | |
65 | 0 | return edgeSupplier != null ? edgeSupplier.get() : null; |
66 | } | |
67 | } | |
68 |