aai-core/src/main/java/org/openecomp/aai/dbgen/SchemaGenerator.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * org.openecomp.aai
   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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20
  21 package org.openecomp.aai.dbgen;
  22
  23
  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.Cardinality;
  28 import com.thinkaurelius.titan.core.Multiplicity;
  29 import com.thinkaurelius.titan.core.PropertyKey;
  30 import com.thinkaurelius.titan.core.TitanGraph;
  31 import com.thinkaurelius.titan.core.schema.TitanManagement;
  32 import org.apache.tinkerpop.gremlin.structure.Vertex;
  33 import org.openecomp.aai.db.props.AAIProperties;
  34 import org.openecomp.aai.introspection.Introspector;
  35 import org.openecomp.aai.introspection.Loader;
  36 import org.openecomp.aai.introspection.LoaderFactory;
  37 import org.openecomp.aai.introspection.ModelType;
  38 import org.openecomp.aai.schema.enums.PropertyMetadata;
  39 import org.openecomp.aai.serialization.db.EdgeRule;
  40 import org.openecomp.aai.serialization.db.EdgeRules;
  41 import org.openecomp.aai.util.AAIConfig;
  42
  43 import java.util.*;
  44
  45
  46 public class SchemaGenerator{
  47
  48         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(SchemaGenerator.class);
  49         private static boolean addDefaultCR = true;
  50
  51
  52          /**
  53          * Load schema into titan.
  54          *
  55          * @param graph the graph
  56          * @param graphMgmt the graph mgmt
  57          * @param addDefaultCloudRegion the add default cloud region
  58          */
  59         public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt, boolean addDefaultCloudRegion) {
  60                  addDefaultCR = addDefaultCloudRegion;
  61                  loadSchemaIntoTitan(graph, graphMgmt);
  62          }
  63
  64     /**
  65      * Load schema into titan.
  66      *
  67      * @param graph the graph
  68      * @param graphMgmt the graph mgmt
  69      */
  70     public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt) {
  71
  72         try {
  73                 AAIConfig.init();
  74         }
  75         catch (Exception ex){
  76                         LOGGER.error(" ERROR - Could not run AAIConfig.init(). ", ex);
  77                         System.out.println(" ERROR - Could not run AAIConfig.init(). ");
  78                         System.exit(1);
  79                 }
  80
  81         // NOTE - Titan 0.5.3 doesn't keep a list of legal node Labels.
  82         //   They are only used when a vertex is actually being created.  Titan 1.1 will keep track (we think).
  83
  84
  85                 // Use EdgeRules to make sure edgeLabels are defined in the db.  NOTE: the multiplicty used here is
  86         // always "MULTI".  This is not the same as our internal "Many2Many", "One2One", "One2Many" or "Many2One"
  87         // We use the same edge-label for edges between many different types of nodes and our internal
  88         // multiplicty definitions depends on which two types of nodes are being connected.
  89
  90                 Multimap<String, EdgeRule> edges = null;
  91                 Set<String> labels = new HashSet<>();
  92
  93                 edges = EdgeRules.getInstance().getAllRules();
  94                 for (EdgeRule rule : edges.values()) {
  95                         labels.add(rule.getLabel());
  96                 }
  97
  98                 for( String label: labels){
  99                         if( graphMgmt.containsRelationType(label) ) {
 100                                 String dmsg = " EdgeLabel  [" + label + "] already existed. ";
 101                 System.out.println(dmsg);
 102                 LOGGER.debug(dmsg);
 103             } else {
 104                 String dmsg = "Making EdgeLabel: [" + label + "]";
 105                 System.out.println(dmsg);
 106                 LOGGER.debug(dmsg);
 107                 graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
 108             }
 109         }
 110
 111                 Loader loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST);
 112                 Map<String, Introspector> objs = loader.getAllObjects();
 113                 Map<String, PropertyKey> seenProps = new HashMap<>();
 114
 115                 for (Introspector obj : objs.values()) {
 116                         for (String propName : obj.getProperties()) {
 117                                 String dbPropName = propName;
 118                                 Optional<String> alias = obj.getPropertyMetadata(propName, PropertyMetadata.DB_ALIAS);
 119                                 if (alias.isPresent()) {
 120                                         dbPropName = alias.get();
 121                                 }
 122                                 if( graphMgmt.containsRelationType(propName) ){
 123                         String dmsg = " PropertyKey  [" + propName + "] already existed in the DB. ";
 124                         System.out.println(dmsg);
 125                         LOGGER.debug(dmsg);
 126                     } else {
 127                         Class<?> type = obj.getClass(propName);
 128                         Cardinality cardinality = Cardinality.SINGLE;
 129                         boolean process = false;
 130                         if (obj.isListType(propName) && obj.isSimpleGenericType(propName)) {
 131                                 cardinality = Cardinality.SET;
 132                                 type = obj.getGenericTypeClass(propName);
 133                                 process = true;
 134                         } else if (obj.isSimpleType(propName)) {
 135                                 process = true;
 136                         }
 137
 138                         if (process) {
 139
 140                                 String imsg = "Creating PropertyKey: [" + dbPropName + "], ["+ type.getSimpleName() + "], [" + cardinality + "]";
 141                                 System.out.println(imsg);
 142                                 LOGGER.info(imsg);
 143                                 PropertyKey propK;
 144                                 if (!seenProps.containsKey(dbPropName)) {
 145                                         propK = graphMgmt.makePropertyKey(dbPropName).dataType(type).cardinality(cardinality).make();
 146                                         seenProps.put(dbPropName, propK);
 147                                 } else {
 148                                         propK = seenProps.get(dbPropName);
 149                                 }
 150                                 if (graphMgmt.containsGraphIndex(dbPropName)) {
 151                                         String dmsg = " Index  [" + dbPropName + "] already existed in the DB. ";
 152                                         System.out.println(dmsg);
 153                                         LOGGER.debug(dmsg);
 154                                 } else {
 155                                         if( obj.getIndexedProperties().contains(propName) ){
 156                                                 if( obj.getUniqueProperties().contains(propName) ){
 157                                                                         imsg = "Add Unique index for PropertyKey: [" + dbPropName + "]";
 158                                                         System.out.println(imsg);
 159                                                         LOGGER.info(imsg);
 160                                                 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).unique().buildCompositeIndex();
 161                                              } else {
 162                                                 imsg = "Add index for PropertyKey: [" + dbPropName + "]";
 163                                                         System.out.println(imsg);
 164                                                         LOGGER.info(imsg);
 165                                                 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).buildCompositeIndex();
 166                                              }
 167                                          } else {
 168                                                 imsg = "No index added for PropertyKey: [" + dbPropName + "]";
 169                                                 System.out.println(imsg);
 170                                                 LOGGER.info(imsg);
 171                                          }
 172                                 }
 173                         }
 174                     }
 175                         }
 176                 }
 177
 178         String imsg = "-- About to call graphMgmt commit";
 179         System.out.println(imsg);
 180         LOGGER.info(imsg);
 181
 182         graphMgmt.commit();
 183         if (addDefaultCR) {
 184                 if (!graph.traversal().V().has("cloud-owner", "att-aic").has("cloud-region-id", "AAIAIC25").hasNext()) {
 185                 imsg = "Adding default cloud region to graph...";
 186                 System.out.println(imsg);
 187                 LOGGER.info(imsg);
 188                         final Vertex cloudRegion = graph.addVertex();
 189
 190                         final String ts = String.valueOf(System.currentTimeMillis() / 1000L);
 191
 192                         cloudRegion.property("aai-node-type", "cloud-region");
 193                         cloudRegion.property("cloud-owner", "att-aic");
 194                         cloudRegion.property("cloud-region-id", "AAIAIC25");
 195                         cloudRegion.property("cloud-region-version", "2.5");
 196                         cloudRegion.property("complex-name", "AAIAIC25");
 197                         cloudRegion.property("aai-created-ts", ts);
 198                         cloudRegion.property("resource-version", ts);
 199                         cloudRegion.property("source-of-truth", "aai-schema-loader");
 200                         cloudRegion.property("last-mod-source-of-truth", "aai-schema-loader");
 201                         cloudRegion.property(AAIProperties.AAI_URI, "/cloud-infrastructure/cloud-regions/cloud-region/att-aic/AAIAIC25");
 202                         graph.tx().commit();
 203                 }
 204                 }
 205     }// End of loadSchemaIntoTitan()
 206
 207 }
 208
 209