blob: 20b993c8b18599986d520a54f983082f5806653b (
plain)
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
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/**
* ============LICENSE_START==========================================
* org.onap.aai
* ===================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 Amdocs
* ===================================================================
* 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.
* ============LICENSE_END============================================
*/
package org.onap.aai.champjanus.graph.impl;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
// import com.thinkaurelius.titan.graphdb.tinkerpop.TitanIoRegistry;
import org.janusgraph.graphdb.tinkerpop.JanusGraphIoRegistry;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONMapper;
import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter;
import org.onap.aai.champcore.FormatMapper;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class GraphSON implements FormatMapper {
private final GraphSONMapper mapper;
private final GraphSONWriter writer;
protected JsonParser parser;
public GraphSON() {
this.mapper = GraphSONMapper.build().addRegistry(JanusGraphIoRegistry.getInstance ()).create();
this.writer = GraphSONWriter.build().mapper(this.mapper).create();
this.parser = new JsonParser();
}
public JsonObject formatObject(Object v) {
OutputStream os = new ByteArrayOutputStream();
String result = "";
try {
this.writer.writeVertex(os, (Vertex)v, Direction.BOTH);
result = os.toString();
} catch (IOException var5) {
var5.printStackTrace();
}
return this.parser.parse(result).getAsJsonObject();
}
public int parallelThreshold() {
return 50;
}
}
|
