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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/**
* ============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.query.builder;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.Introspector;
import org.onap.aai.introspection.Loader;
import org.onap.aai.parsers.query.QueryParser;
import org.onap.aai.parsers.query.TraversalStrategy;
import javax.ws.rs.core.MultivaluedMap;
import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
/**
* The Class GremlinTraversal.
*/
public class HistoryGremlinTraversal<E> extends GremlinTraversal<E> {
/**
* Instantiates a new gremlin traversal.
*
* @param loader the loader
*/
public HistoryGremlinTraversal(Loader loader, GraphTraversalSource source) {
super(loader, source);
}
/**
* Instantiates a new gremlin traversal.
*
* @param loader the loader
* @param start the start
*/
public HistoryGremlinTraversal(Loader loader, GraphTraversalSource source, Vertex start) {
super(loader, source, start);
}
protected HistoryGremlinTraversal(List<String> traversal, Loader loader, GraphTraversalSource source,
GremlinQueryBuilder<E> gtb) {
super(traversal, loader, source, gtb);
}
/**
* @{inheritDoc}
*/
@Override
public QueryParser createQueryFromURI(URI uri) throws UnsupportedEncodingException, AAIException {
return factory.buildURIParser(uri);
}
/**
* @{inheritDoc}
*/
@Override
public QueryParser createQueryFromRelationship(Introspector relationship)
throws UnsupportedEncodingException, AAIException {
return factory.buildRelationshipParser(relationship);
}
/**
* @{inheritDoc}
*/
@Override
public QueryParser createQueryFromURI(URI uri, MultivaluedMap<String, String> queryParams)
throws UnsupportedEncodingException, AAIException {
return factory.buildURIParser(uri, queryParams);
}
/**
* @{inheritDoc}
*/
@Override
public QueryParser createQueryFromObjectName(String objName) {
return factory.buildObjectNameParser(objName);
}
/**
* @{inheritDoc}
*/
@Override
public QueryBuilder<E> newInstance(Vertex start) {
return new HistoryGremlinTraversal<>(loader, source, start);
}
/**
* @{inheritDoc}
*/
@Override
public QueryBuilder<E> newInstance() {
return new HistoryGremlinTraversal<>(loader, source);
}
@Override
protected QueryBuilder<E> cloneQueryAtStep(int index) {
int idx = index;
if (idx == 0) {
idx = stepIndex;
}
List<String> newList = new ArrayList<>();
for (int i = 0; i < idx; i++) {
newList.add(this.list.get(i));
}
return new HistoryGremlinTraversal<>(newList, loader, source, this);
}
@Override
protected void vertexHas(String key, Object value) {
super.vertexHas(key, value);
touchHistoryProperties(key, value);
}
@Override
protected void vertexHasNot(String key) {
super.vertexHasNot(key);
touchHistoryProperties(key);
}
@Override
protected void vertexHas(String key) {
super.vertexHas(key);
touchHistoryProperties(key);
}
/*
* This is required for the subgraphstrategies to work
*/
private void touchHistoryProperties(String key){
if(key != null && !key.isEmpty() && !key.equals(AAIProperties.NODE_TYPE)) {
list.add(".where(__.properties('" + key + "'))");
}
}
private void touchHistoryProperties(String key, Object value) {
if(key != null && !key.isEmpty() && !key.equals(AAIProperties.NODE_TYPE)) {
list.add(".where(__.properties('" + key + "').hasValue(" + value + "))");
}
}
}
|
