summaryrefslogtreecommitdiffstats
path: root/aai-core/src/main/java/org/onap/aai/query/builder/GremlinUnique.java
blob: da01d2d6255ece637db2d3de9907684c77844aee (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
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
/**
 * ============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 java.io.UnsupportedEncodingException;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;

import javax.ws.rs.core.MultivaluedMap;

import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.Vertex;

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 org.onap.aai.parsers.query.UniqueStrategy;

/**
 * The Class GremlinUnique.
 */
public class GremlinUnique<E> extends GremlinQueryBuilder<E> {
	
	/**
	 * Instantiates a new gremlin unique.
	 *
	 * @param loader the loader
	 */
	public GremlinUnique(Loader loader, GraphTraversalSource source) {
		super(loader, source);
		this.factory = new UniqueStrategy(this.loader, this);
	}
	
	/**
	 * Instantiates a new gremlin unique.
	 *
	 * @param loader the loader
	 * @param start the start
	 */
	public GremlinUnique(Loader loader, GraphTraversalSource source, Vertex start) {
		super(loader, source, start);
		this.factory = new UniqueStrategy(this.loader, this);
	}
	
	protected GremlinUnique(List<String> traversal, Loader loader, GraphTraversalSource source, GremlinQueryBuilder<E> gtb) {
		super(loader, source);
		this.list = traversal;
		this.stepIndex = gtb.getStepIndex();
		this.parentStepIndex = gtb.getParentStepIndex();
		this.containerStepIndex = gtb.getContainerStepIndex();
		this.factory = new TraversalStrategy(this.loader, this);
		this.start = gtb.getStart();
	}
	
	/**
	 * @{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() {
		return new GremlinUnique<>(loader, source);
	}

	/**
	 * @{inheritDoc}
	 */
	@Override
	public QueryBuilder<E> newInstance(Vertex start) {
		return new GremlinUnique<>(loader, source, start);
	}
	
	@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 GremlinUnique<>(newList, loader, source, this);
	}
}