2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.aai.query.builder;
23 import java.io.UnsupportedEncodingException;
25 import java.util.ArrayList;
26 import java.util.List;
28 import javax.ws.rs.core.MultivaluedMap;
30 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
31 import org.apache.tinkerpop.gremlin.structure.Vertex;
32 import org.onap.aai.exceptions.AAIException;
33 import org.onap.aai.introspection.Introspector;
34 import org.onap.aai.introspection.Loader;
35 import org.onap.aai.parsers.query.QueryParser;
36 import org.onap.aai.parsers.query.TraversalStrategy;
37 import org.onap.aai.parsers.query.UniqueStrategy;
40 * The Class GremlinUnique.
42 public class GremlinUnique<E> extends GremlinQueryBuilder<E> {
45 * Instantiates a new gremlin unique.
47 * @param loader the loader
49 public GremlinUnique(Loader loader, GraphTraversalSource source) {
50 super(loader, source);
51 this.factory = new UniqueStrategy(this.loader, this);
55 * Instantiates a new gremlin unique.
57 * @param loader the loader
58 * @param start the start
60 public GremlinUnique(Loader loader, GraphTraversalSource source, Vertex start) {
61 super(loader, source, start);
62 this.factory = new UniqueStrategy(this.loader, this);
65 protected GremlinUnique(List<String> traversal, Loader loader, GraphTraversalSource source,
66 GremlinQueryBuilder<E> gtb) {
67 super(loader, source);
68 this.list = traversal;
69 this.stepIndex = gtb.getStepIndex();
70 this.parentStepIndex = gtb.getParentStepIndex();
71 this.containerStepIndex = gtb.getContainerStepIndex();
72 this.factory = new TraversalStrategy(this.loader, this);
73 this.start = gtb.getStart();
80 public QueryParser createQueryFromURI(URI uri) throws UnsupportedEncodingException, AAIException {
81 return factory.buildURIParser(uri);
88 public QueryParser createQueryFromRelationship(Introspector relationship)
89 throws UnsupportedEncodingException, AAIException {
90 return factory.buildRelationshipParser(relationship);
97 public QueryParser createQueryFromURI(URI uri, MultivaluedMap<String, String> queryParams)
98 throws UnsupportedEncodingException, AAIException {
99 return factory.buildURIParser(uri, queryParams);
106 public QueryParser createQueryFromObjectName(String objName) {
107 return factory.buildObjectNameParser(objName);
114 public QueryBuilder<E> newInstance() {
115 return new GremlinUnique<>(loader, source);
122 public QueryBuilder<E> newInstance(Vertex start) {
123 return new GremlinUnique<>(loader, source, start);
127 protected QueryBuilder<E> cloneQueryAtStep(int index) {
135 List<String> newList = new ArrayList<>();
136 for (int i = 0; i < idx; i++) {
137 newList.add(this.list.get(i));
140 return new GremlinUnique<>(newList, loader, source, this);