blob: 698aef6e49a30eb15c5affe6ab0052b3d4a93c4f (
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.serialization.queryformats;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.onap.aai.logging.LogFormatTools;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
import java.util.List;
import java.util.Optional;
import java.util.stream.Stream;
public class Formatter {
private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(Formatter.class);
protected JsonParser parser = new JsonParser();
protected final FormatMapper format;
public Formatter(FormatMapper format) {
this.format = format;
}
public JsonObject output(List<Object> queryResults) {
Stream<Object> stream = null;
JsonObject result = new JsonObject();
JsonArray body = new JsonArray();
if (this.format instanceof Count) {
JsonObject countResult;
try {
countResult = format.formatObject(queryResults);
body.add(countResult);
} catch (Exception e) {
LOGGER.warn("Failed to format result type of the query " + LogFormatTools.getStackTop(e));
}
} else {
if (queryResults.size() >= format.parallelThreshold()) {
stream = queryResults.parallelStream();
} else {
stream = queryResults.stream();
}
final boolean isParallel = stream.isParallel();
stream.map(o -> {
try {
return Optional.<JsonObject>of(format.formatObject(o));
} catch (AAIFormatVertexException e) {
LOGGER.warn("Failed to format vertex, returning a partial list " + LogFormatTools.getStackTop(e));
} catch (AAIFormatQueryResultFormatNotSupported e) {
LOGGER.warn("Failed to format result type of the query " + LogFormatTools.getStackTop(e));
}
return Optional.<JsonObject>empty();
})
.filter(Optional<JsonObject>::isPresent)
.map(Optional<JsonObject>::get)
.forEach(json -> {
if (isParallel) {
synchronized (body) {
body.add(json);
}
} else {
body.add(json);
}
});
}
result.add("results", body);
return result.getAsJsonObject();
}
}
|
