Change openecomp to onap and update license
[aai/aai-common.git] / aai-core / src / main / java / org / onap / aai / dbgen / SchemaGenerator.java
diff --git a/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java b/aai-core/src/main/java/org/onap/aai/dbgen/SchemaGenerator.java
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+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.dbgen;
+
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+import org.apache.tinkerpop.gremlin.structure.Vertex;
+import org.onap.aai.db.props.AAIProperties;
+import org.onap.aai.introspection.Introspector;
+import org.onap.aai.introspection.Loader;
+import org.onap.aai.introspection.LoaderFactory;
+import org.onap.aai.introspection.ModelType;
+import org.onap.aai.schema.enums.PropertyMetadata;
+import org.onap.aai.serialization.db.EdgeRule;
+import org.onap.aai.serialization.db.EdgeRules;
+import org.onap.aai.util.AAIConfig;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.google.common.collect.Multimap;
+import com.thinkaurelius.titan.core.Cardinality;
+import com.thinkaurelius.titan.core.Multiplicity;
+import com.thinkaurelius.titan.core.PropertyKey;
+import com.thinkaurelius.titan.core.TitanGraph;
+import com.thinkaurelius.titan.core.schema.TitanManagement;
+
+
+
+public class SchemaGenerator{
+
+       private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(SchemaGenerator.class);
+       private static boolean addDefaultCR = true;
+       
+       
+        /**
+        * Load schema into titan.
+        *
+        * @param graph the graph
+        * @param graphMgmt the graph mgmt
+        * @param addDefaultCloudRegion the add default cloud region
+        */
+       public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt, boolean addDefaultCloudRegion) {
+                addDefaultCR = addDefaultCloudRegion;
+                loadSchemaIntoTitan(graph, graphMgmt);
+        }
+       
+    /**
+     * Load schema into titan.
+     *
+     * @param graph the graph
+     * @param graphMgmt the graph mgmt
+     */
+    public static void loadSchemaIntoTitan(final TitanGraph graph, final TitanManagement graphMgmt) {
+
+       try {
+               AAIConfig.init();
+       }
+       catch (Exception ex){
+                       LOGGER.error(" ERROR - Could not run AAIConfig.init(). ", ex);
+                       System.out.println(" ERROR - Could not run AAIConfig.init(). ");
+                       System.exit(1);
+               }
+       
+        // NOTE - Titan 0.5.3 doesn't keep a list of legal node Labels.  
+       //   They are only used when a vertex is actually being created.  Titan 1.1 will keep track (we think).
+               
+
+               // Use EdgeRules to make sure edgeLabels are defined in the db.  NOTE: the multiplicty used here is 
+       // always "MULTI".  This is not the same as our internal "Many2Many", "One2One", "One2Many" or "Many2One"
+       // We use the same edge-label for edges between many different types of nodes and our internal
+       // multiplicty definitions depends on which two types of nodes are being connected.
+
+               Multimap<String, EdgeRule> edges = null;
+               Set<String> labels = new HashSet<>();
+               
+               edges = EdgeRules.getInstance().getAllRules();
+               for (EdgeRule rule : edges.values()) {
+                       labels.add(rule.getLabel());
+               }
+               
+               for( String label: labels){
+                       if( graphMgmt.containsRelationType(label) ) {
+                               String dmsg = " EdgeLabel  [" + label + "] already existed. ";
+               System.out.println(dmsg);
+               LOGGER.debug(dmsg);
+            } else {
+               String dmsg = "Making EdgeLabel: [" + label + "]";
+               System.out.println(dmsg);
+               LOGGER.debug(dmsg);
+               graphMgmt.makeEdgeLabel(label).multiplicity(Multiplicity.valueOf("MULTI")).make();
+            }
+        }     
+
+               Loader loader = LoaderFactory.createLoaderForVersion(ModelType.MOXY, AAIProperties.LATEST);
+               Map<String, Introspector> objs = loader.getAllObjects();
+               Map<String, PropertyKey> seenProps = new HashMap<>();
+               
+               for (Introspector obj : objs.values()) {
+                       for (String propName : obj.getProperties()) {
+                               String dbPropName = propName;
+                               Optional<String> alias = obj.getPropertyMetadata(propName, PropertyMetadata.DB_ALIAS);
+                               if (alias.isPresent()) {
+                                       dbPropName = alias.get();
+                               }
+                               if( graphMgmt.containsRelationType(propName) ){
+                       String dmsg = " PropertyKey  [" + propName + "] already existed in the DB. ";
+                       System.out.println(dmsg);
+                       LOGGER.debug(dmsg);
+                   } else {
+                       Class<?> type = obj.getClass(propName);
+                       Cardinality cardinality = Cardinality.SINGLE;
+                       boolean process = false;
+                       if (obj.isListType(propName) && obj.isSimpleGenericType(propName)) {
+                               cardinality = Cardinality.SET;
+                               type = obj.getGenericTypeClass(propName);
+                               process = true;
+                       } else if (obj.isSimpleType(propName)) {
+                               process = true;
+                       }
+
+                       if (process) {
+
+                               String imsg = "Creating PropertyKey: [" + dbPropName + "], ["+ type.getSimpleName() + "], [" + cardinality + "]";
+                               System.out.println(imsg);
+                               LOGGER.info(imsg);
+                               PropertyKey propK;
+                               if (!seenProps.containsKey(dbPropName)) {
+                                       propK = graphMgmt.makePropertyKey(dbPropName).dataType(type).cardinality(cardinality).make();
+                                       seenProps.put(dbPropName, propK);
+                               } else {
+                                       propK = seenProps.get(dbPropName);
+                               }
+                               if (graphMgmt.containsGraphIndex(dbPropName)) {
+                                       String dmsg = " Index  [" + dbPropName + "] already existed in the DB. ";
+                                       System.out.println(dmsg);
+                                       LOGGER.debug(dmsg);
+                               } else {
+                                       if( obj.getIndexedProperties().contains(propName) ){
+                                               if( obj.getUniqueProperties().contains(propName) ){
+                                                                       imsg = "Add Unique index for PropertyKey: [" + dbPropName + "]";
+                                                       System.out.println(imsg);
+                                                       LOGGER.info(imsg);
+                                               graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).unique().buildCompositeIndex();
+                                            } else {
+                                               imsg = "Add index for PropertyKey: [" + dbPropName + "]";
+                                                       System.out.println(imsg);
+                                                       LOGGER.info(imsg);
+                                               graphMgmt.buildIndex(dbPropName,Vertex.class).addKey(propK).buildCompositeIndex();
+                                            }
+                                        } else {
+                                               imsg = "No index added for PropertyKey: [" + dbPropName + "]";
+                                               System.out.println(imsg);
+                                               LOGGER.info(imsg);
+                                        }
+                               }
+                       }
+                   }
+                       }
+               }
+        
+        String imsg = "-- About to call graphMgmt commit";
+       System.out.println(imsg);
+       LOGGER.info(imsg);
+       
+        graphMgmt.commit();
+    }// End of loadSchemaIntoTitan()
+
+}
+
+