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

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 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  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  21  */
  22 package org.onap.aai.dbgen;
  23
  24
  25 import java.util.HashMap;
  26 import java.util.HashSet;
  27 import java.util.Map;
  28 import java.util.Optional;
  29 import java.util.Set;
  30
  31 import org.apache.tinkerpop.gremlin.structure.Vertex;
  32 import org.onap.aai.db.props.AAIProperties;
  33 import org.onap.aai.introspection.Introspector;
  34 import org.onap.aai.introspection.Loader;
  35 import org.onap.aai.introspection.LoaderFactory;
  36 import org.onap.aai.introspection.ModelType;
  37 import org.onap.aai.schema.enums.PropertyMetadata;
  38 import org.onap.aai.serialization.db.EdgeRule;
  39 import org.onap.aai.serialization.db.EdgeRules;
  40 import org.onap.aai.util.AAIConfig;
  41
  42 import com.att.eelf.configuration.EELFLogger;
  43 import com.att.eelf.configuration.EELFManager;
  44 import com.google.common.collect.Multimap;
  45 import com.thinkaurelius.titan.core.Cardinality;
  46 import com.thinkaurelius.titan.core.Multiplicity;
  47 import com.thinkaurelius.titan.core.PropertyKey;
  48 import com.thinkaurelius.titan.core.TitanGraph;
  49 import com.thinkaurelius.titan.core.schema.TitanManagement;
  50
  51
  52
  53 public class SchemaGenerator{
  54
  55         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(SchemaGenerator.class);
  56         private static boolean addDefaultCR = true;
  57
  58
  59          /**
  60          * Load schema into titan.
  61          *
  62          * @param graph the graph
  63          * @param graphMgmt the graph mgmt
  64          * @param addDefaultCloudRegion the add default cloud region
  65          */
  66         public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt, boolean addDefaultCloudRegion) {
  67                  addDefaultCR = addDefaultCloudRegion;
  68                  loadSchemaIntoTitan(graph, graphMgmt);
  69          }
  70
  71     /**
  72      * Load schema into titan.
  73      *
  74      * @param graph the graph
  75      * @param graphMgmt the graph mgmt
  76      */
  77     public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt) {
  78
  79         try {
  80                 AAIConfig.init();
  81         }
  82         catch (Exception ex){
  83                         LOGGER.error(" ERROR - Could not run AAIConfig.init(). ", ex);
  84                         System.out.println(" ERROR - Could not run AAIConfig.init(). ");
  85                         System.exit(1);
  86                 }
  87
  88         // NOTE - Titan 0.5.3 doesn't keep a list of legal node Labels.
  89         //   They are only used when a vertex is actually being created.  Titan 1.1 will keep track (we think).
  90
  91
  92                 // Use EdgeRules to make sure edgeLabels are defined in the db.  NOTE: the multiplicty used here is
  93         // always "MULTI".  This is not the same as our internal "Many2Many", "One2One", "One2Many" or "Many2One"
  94         // We use the same edge-label for edges between many different types of nodes and our internal
  95         // multiplicty definitions depends on which two types of nodes are being connected.
  96
  97                 Multimap<String, EdgeRule> edges = null;
  98                 Set<String> labels = new HashSet<>();
  99
 100                 edges = EdgeRules.getInstance().getAllRules();
 101                 for (EdgeRule rule : edges.values()) {
 102                         labels.add(rule.getLabel());
 103                 }
 104
 105                 for( String label: labels){
 106                         if( graphMgmt.containsRelationType(label) ) {
 107                                 String dmsg = " EdgeLabel  [" + label + "] already existed. ";
 108                 System.out.println(dmsg);
 109                 LOGGER.debug(dmsg);
 110             } else {
 111                 String dmsg = "Making EdgeLabel: [" + label + "]";
 112                 System.out.println(dmsg);
 113                 LOGGER.debug(dmsg);
 114                 graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
 115             }
 116         }
 117
 118                 Loader loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST);
 119                 Map<String, Introspector> objs = loader.getAllObjects();
 120                 Map<String, PropertyKey> seenProps = new HashMap<>();
 121
 122                 for (Introspector obj : objs.values()) {
 123                         for (String propName : obj.getProperties()) {
 124                                 String dbPropName = propName;
 125                                 Optional<String> alias = obj.getPropertyMetadata(propName, PropertyMetadata.DB_ALIAS);
 126                                 if (alias.isPresent()) {
 127                                         dbPropName = alias.get();
 128                                 }
 129                                 if( graphMgmt.containsRelationType(propName) ){
 130                         String dmsg = " PropertyKey  [" + propName + "] already existed in the DB. ";
 131                         System.out.println(dmsg);
 132                         LOGGER.debug(dmsg);
 133                     } else {
 134                         Class<?> type = obj.getClass(propName);
 135                         Cardinality cardinality = Cardinality.SINGLE;
 136                         boolean process = false;
 137                         if (obj.isListType(propName) && obj.isSimpleGenericType(propName)) {
 138                                 cardinality = Cardinality.SET;
 139                                 type = obj.getGenericTypeClass(propName);
 140                                 process = true;
 141                         } else if (obj.isSimpleType(propName)) {
 142                                 process = true;
 143                         }
 144
 145                         if (process) {
 146
 147                                 String imsg = "Creating PropertyKey: [" + dbPropName + "], ["+ type.getSimpleName() + "], [" + cardinality + "]";
 148                                 System.out.println(imsg);
 149                                 LOGGER.info(imsg);
 150                                 PropertyKey propK;
 151                                 if (!seenProps.containsKey(dbPropName)) {
 152                                         propK = graphMgmt.makePropertyKey(dbPropName).dataType(type).cardinality(cardinality).make();
 153                                         seenProps.put(dbPropName, propK);
 154                                 } else {
 155                                         propK = seenProps.get(dbPropName);
 156                                 }
 157                                 if (graphMgmt.containsGraphIndex(dbPropName)) {
 158                                         String dmsg = " Index  [" + dbPropName + "] already existed in the DB. ";
 159                                         System.out.println(dmsg);
 160                                         LOGGER.debug(dmsg);
 161                                 } else {
 162                                         if( obj.getIndexedProperties().contains(propName) ){
 163                                                 if( obj.getUniqueProperties().contains(propName) ){
 164                                                                         imsg = "Add Unique index for PropertyKey: [" + dbPropName + "]";
 165                                                         System.out.println(imsg);
 166                                                         LOGGER.info(imsg);
 167                                                 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).unique().buildCompositeIndex();
 168                                              } else {
 169                                                 imsg = "Add index for PropertyKey: [" + dbPropName + "]";
 170                                                         System.out.println(imsg);
 171                                                         LOGGER.info(imsg);
 172                                                 graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).buildCompositeIndex();
 173                                              }
 174                                          } else {
 175                                                 imsg = "No index added for PropertyKey: [" + dbPropName + "]";
 176                                                 System.out.println(imsg);
 177                                                 LOGGER.info(imsg);
 178                                          }
 179                                 }
 180                         }
 181                     }
 182                         }
 183                 }
 184
 185         String imsg = "-- About to call graphMgmt commit";
 186         System.out.println(imsg);
 187         LOGGER.info(imsg);
 188
 189         graphMgmt.commit();
 190     }// End of loadSchemaIntoTitan()
 191
 192 }
 193
 194