Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultVertexValueFactory |
|
| 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.factories; | |
20 | ||
21 | import org.apache.giraph.conf.GiraphConfigurationSettable; | |
22 | import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration; | |
23 | import org.apache.giraph.utils.WritableUtils; | |
24 | import org.apache.hadoop.io.Writable; | |
25 | ||
26 | /** | |
27 | * Default {@link VertexValueFactory} that simply uses the default | |
28 | * constructor for the vertex value class. | |
29 | * | |
30 | * @param <V> Vertex value | |
31 | */ | |
32 | 0 | public class DefaultVertexValueFactory<V extends Writable> |
33 | implements VertexValueFactory<V>, GiraphConfigurationSettable { | |
34 | /** Cached vertex value class. */ | |
35 | private Class<V> vertexValueClass; | |
36 | /** Configuration */ | |
37 | private ImmutableClassesGiraphConfiguration conf; | |
38 | ||
39 | @Override | |
40 | public void setConf(ImmutableClassesGiraphConfiguration conf) { | |
41 | 0 | this.conf = conf; |
42 | 0 | vertexValueClass = conf.getVertexValueClass(); |
43 | 0 | } |
44 | ||
45 | @Override | |
46 | public V newInstance() { | |
47 | 0 | return WritableUtils.createWritable(vertexValueClass, conf); |
48 | } | |
49 | } |