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

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