2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 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.openecomp.aai.dbgen;
24 import com.att.eelf.configuration.EELFLogger;
25 import com.att.eelf.configuration.EELFManager;
26 import com.google.common.collect.Multimap;
27 import com.thinkaurelius.titan.core.*;
28 import com.thinkaurelius.titan.core.schema.TitanManagement;
29 import org.apache.tinkerpop.gremlin.structure.Vertex;
30 import org.openecomp.aai.db.props.AAIProperties;
31 import org.openecomp.aai.exceptions.AAIException;
32 import org.openecomp.aai.introspection.Introspector;
33 import org.openecomp.aai.introspection.Loader;
34 import org.openecomp.aai.introspection.LoaderFactory;
35 import org.openecomp.aai.introspection.ModelType;
36 import org.openecomp.aai.schema.enums.PropertyMetadata;
37 import org.openecomp.aai.serialization.db.EdgeRule;
38 import org.openecomp.aai.serialization.db.EdgeRules;
39 import org.openecomp.aai.util.AAIConfig;
44 public class SchemaGenerator {
46 private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(SchemaGenerator.class);
47 private static boolean addDefaultCR = true;
51 * Load schema into titan.
53 * @param graph the graph
54 * @param graphMgmt the graph mgmt
55 * @param addDefaultCloudRegion the add default cloud region
57 public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt, boolean addDefaultCloudRegion) {
58 addDefaultCR = addDefaultCloudRegion;
59 loadSchemaIntoTitan(graph, graphMgmt);
63 * Load schema into titan.
65 * @param graph the graph
66 * @param graphMgmt the graph mgmt
68 public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt) {
74 LOGGER.error(" ERROR - Could not run AAIConfig.init(). ", ex);
78 // NOTE - Titan 0.5.3 doesn't keep a list of legal node Labels.
79 // They are only used when a vertex is actually being created. Titan 1.1 will keep track (we think).
82 // Use EdgeRules to make sure edgeLabels are defined in the db. NOTE: the multiplicty used here is
83 // always "MULTI". This is not the same as our internal "Many2Many", "One2One", "One2Many" or "Many2One"
84 // We use the same edge-label for edges between many different types of nodes and our internal
85 // multiplicty definitions depends on which two types of nodes are being connected.
87 Multimap<String, EdgeRule> edges = null;
88 Set<String> labels = new HashSet<>();
90 edges = EdgeRules.getInstance().getAllRules();
91 for (EdgeRule rule : edges.values()) {
92 labels.add(rule.getLabel());
94 } catch (AAIException e) {
95 LOGGER.error("could not get edge rules", e);
98 for( String label: labels){
99 if( graphMgmt.containsRelationType(label) ) {
100 LOGGER.debug(" EdgeLabel [" + label + "] already existed. ");
102 LOGGER.debug("Making EdgeLabel: [" + label + "]");
103 graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
107 Loader loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST);
108 Map<String, Introspector> objs = loader.getAllObjects();
109 Map<String, PropertyKey> seenProps = new HashMap<>();
111 for (Introspector obj : objs.values()) {
112 for (String propName : obj.getProperties()) {
113 String dbPropName = propName;
114 Optional<String> alias = obj.getPropertyMetadata(propName, PropertyMetadata.DB_ALIAS);
115 if (alias.isPresent()) {
116 dbPropName = alias.get();
118 if( graphMgmt.containsRelationType(propName) ){
119 LOGGER.debug(" PropertyKey [" + propName + "] already existed in the DB. ");
121 Class<?> type = obj.getClass(propName);
122 Cardinality cardinality = Cardinality.SINGLE;
123 boolean process = false;
124 if (obj.isListType(propName) && obj.isSimpleGenericType(propName)) {
125 cardinality = Cardinality.SET;
126 type = obj.getGenericTypeClass(propName);
128 } else if (obj.isSimpleType(propName)) {
134 LOGGER.info("Creating PropertyKey: [" + dbPropName + "], ["+ type.getSimpleName() + "], [" + cardinality + "]");
136 if (!seenProps.containsKey(dbPropName)) {
137 propK = graphMgmt.makePropertyKey(dbPropName).dataType(type).cardinality(cardinality).make();
138 seenProps.put(dbPropName, propK);
140 propK = seenProps.get(dbPropName);
142 if (graphMgmt.containsGraphIndex(dbPropName)) {
143 LOGGER.debug(" Index [" + dbPropName + "] already existed in the DB. ");
145 if( obj.getIndexedProperties().contains(propName) ){
146 if( obj.getUniqueProperties().contains(propName) ){
147 LOGGER.info("Add Unique index for PropertyKey: [" + dbPropName + "]");
148 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).unique().buildCompositeIndex();
150 LOGGER.info("Add index for PropertyKey: [" + dbPropName + "]");
151 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).buildCompositeIndex();
154 LOGGER.info("No index added for PropertyKey: [" + dbPropName + "]");
162 LOGGER.info("-- About to call graphMgmt commit");
164 }// End of loadSchemaIntoTitan()