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=========================================================
20 package org.onap.aai.restcore.search;
22 import groovy.lang.Binding;
23 import groovy.lang.Script;
24 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
25 import org.apache.tinkerpop.gremlin.structure.Vertex;
26 import org.onap.aai.config.SpringContextAware;
27 import org.onap.aai.introspection.Loader;
28 import org.onap.aai.introspection.LoaderFactory;
29 import org.onap.aai.introspection.ModelType;
30 import org.onap.aai.query.builder.QueryBuilder;
31 import org.onap.aai.serialization.engines.QueryStyle;
32 import org.onap.aai.serialization.engines.TransactionalGraphEngine;
33 import org.onap.aai.setup.SchemaVersion;
34 import org.onap.aai.setup.SchemaVersions;
39 * Creates and returns a groovy shell with the
40 * configuration to statically import graph classes
43 public class GroovyQueryBuilderSingleton extends AAIAbstractGroovyShell {
45 private GroovyQueryBuilderSingleton() {
49 private static class Helper {
50 private static final GroovyQueryBuilderSingleton INSTANCE = new GroovyQueryBuilderSingleton();
53 public static GroovyQueryBuilderSingleton getInstance() {
55 return Helper.INSTANCE;
62 public String executeTraversal (TransactionalGraphEngine engine, String traversal, Map<String, Object> params) {
63 QueryBuilder<Vertex> builder = engine.getQueryBuilder(QueryStyle.GREMLIN_TRAVERSAL);
64 SchemaVersions schemaVersions = SpringContextAware.getBean(SchemaVersions.class);
65 Loader loader = SpringContextAware.getBean(LoaderFactory.class).createLoaderForVersion(ModelType.MOXY, schemaVersions.getDefaultVersion());
67 builder.changeLoader(loader);
68 Binding binding = new Binding(params);
69 binding.setVariable("builder", builder);
70 Script script = shell.parse(traversal);
71 script.setBinding(binding);
74 return builder.getQuery();
78 * @throws UnsupportedOperationException
81 public GraphTraversal<?, ?> executeTraversal(String traversal, Map<String, Object> params) {
82 throw new UnsupportedOperationException();