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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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=========================================================
*/
package org.onap.aai.serialization.queryformats;
import com.google.gson.JsonArray;
import com.google.gson.JsonObject;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Stream;
import javax.ws.rs.core.MultivaluedMap;
import org.onap.aai.logging.LogFormatTools;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatQueryResultFormatNotSupported;
import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Formatter {
private static final Logger LOGGER = LoggerFactory.getLogger(Formatter.class);
protected final FormatMapper format;
protected MultivaluedMap<String, String> params;
public Formatter(FormatMapper format) {
this.format = format;
}
public Formatter(FormatMapper format, MultivaluedMap<String, String> params) {
this.format = format;
this.params = params;
}
public JsonObject output(List<Object> queryResults, Map<String, List<String>> properties) {
final JsonArray body;
if (this.format instanceof Count) {
JsonObject countResult;
body = new JsonArray();
try {
countResult = format.formatObject(queryResults).orElseThrow(() -> new AAIFormatVertexException(""));
body.add(countResult);
} catch (Exception e) {
LOGGER.warn("Failed to format result type of the query " + LogFormatTools.getStackTop(e));
}
} else if (this.format instanceof LifecycleFormat) {
LifecycleFormat lifecycleFormat = (LifecycleFormat) format;
body = lifecycleFormat.process(queryResults);
} else if (this.format instanceof Aggregate) {
Aggregate aggregateFormat = (Aggregate) format;
body = aggregateFormat.process(queryResults, properties);
JsonObject result = new JsonObject();
if (body != null && body.size() > 0) {
result.add("results", (body.get(0)).getAsJsonObject().get("results"));
}
return result;
} else {
body = new JsonArray();
Stream<Object> stream;
if (queryResults.size() >= format.parallelThreshold()) {
stream = queryResults.parallelStream();
} else {
stream = queryResults.stream();
}
final boolean isParallel = stream.isParallel();
stream.map(o -> {
try {
if (properties != null && !properties.isEmpty()) {
return format.formatObject(o, properties);
} else {
return 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::isPresent).map(Optional::get).forEach(json -> {
if (isParallel) {
synchronized (body) {
body.add(json);
}
} else {
body.add(json);
}
});
}
if (params != null && params.containsKey("as-tree")) {
String isAsTree = params.get("as-tree").get(0);
if (isAsTree != null && isAsTree.equalsIgnoreCase("true") && body != null && body.size() != 0) {
JsonObject jsonObjectBody = body.get(0).getAsJsonObject();
if (jsonObjectBody != null && jsonObjectBody.size() > 0) {
return body.get(0).getAsJsonObject();
}
}
}
JsonObject result = new JsonObject();
result.add("results", body);
return result.getAsJsonObject();
}
public JsonObject output(List<Object> queryResults) {
return output(queryResults, null);
}
}
|
