-
Notifications
You must be signed in to change notification settings - Fork 88
/
ToGellyVertexWithIdValue.java
44 lines (40 loc) · 1.51 KB
/
ToGellyVertexWithIdValue.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
* Copyright © 2014 - 2018 Leipzig University (Database Research Group)
*
* Licensed 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.gradoop.flink.algorithms.btgs.functions;
import org.apache.flink.api.common.functions.MapFunction;
import org.apache.flink.api.java.functions.FunctionAnnotation;
import org.gradoop.common.model.impl.id.GradoopId;
import org.gradoop.common.model.impl.pojo.Vertex;
/**
* EPGM vertex to gelly vertex, where value is vertex id
*/
@FunctionAnnotation.ForwardedFields("id->f0;id->f1")
public class ToGellyVertexWithIdValue implements
MapFunction<Vertex, org.apache.flink.graph.Vertex<GradoopId, GradoopId>> {
/**
* Reduce object instantiations
*/
private final org.apache.flink.graph.Vertex<GradoopId, GradoopId> reuse =
new org.apache.flink.graph.Vertex<>();
@Override
public org.apache.flink.graph.Vertex<GradoopId, GradoopId> map(Vertex vertex)
throws Exception {
GradoopId id = vertex.getId();
reuse.setId(id);
reuse.setValue(id);
return reuse;
}
}