asdctool/src/main/java/org/openecomp/sdc/asdctool/impl/TitanGraphInitializer.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   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.sdc.asdctool.impl;
  22
  23 import java.util.ArrayList;
  24 import java.util.HashMap;
  25 import java.util.Map;
  26
  27 import org.apache.tinkerpop.gremlin.structure.Edge;
  28 import org.apache.tinkerpop.gremlin.structure.Vertex;
  29 import org.openecomp.sdc.be.dao.graph.datatype.ActionEnum;
  30 import org.openecomp.sdc.be.dao.graph.datatype.GraphElementTypeEnum;
  31 import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
  32 import org.openecomp.sdc.be.dao.jsongraph.utils.IdBuilderUtils;
  33 import org.openecomp.sdc.be.dao.neo4j.GraphEdgePropertiesDictionary;
  34 import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
  35 import org.openecomp.sdc.be.dao.utils.UserStatusEnum;
  36 import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
  37 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
  38 import org.openecomp.sdc.be.resources.data.UserData;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import com.thinkaurelius.titan.core.PropertyKey;
  43 import com.thinkaurelius.titan.core.TitanException;
  44 import com.thinkaurelius.titan.core.TitanFactory;
  45 import com.thinkaurelius.titan.core.TitanGraph;
  46 import com.thinkaurelius.titan.core.TitanGraphQuery;
  47 import com.thinkaurelius.titan.core.schema.ConsistencyModifier;
  48 import com.thinkaurelius.titan.core.schema.TitanGraphIndex;
  49 import com.thinkaurelius.titan.core.schema.TitanManagement;
  50
  51 public class TitanGraphInitializer {
  52
  53         private static Logger logger = LoggerFactory.getLogger(TitanGraphInitializer.class.getName());
  54         private static TitanGraph graph;
  55
  56         public static boolean createGraph(String titanCfgFile) {
  57                 logger.info("** createGraph with {}", titanCfgFile);
  58                 try {
  59                         logger.info("createGraph : try to load file {}", titanCfgFile);
  60                         graph = TitanFactory.open(titanCfgFile);
  61                         if (graph.isClosed()) {
  62                                 return false;
  63                         }
  64
  65                 } catch (TitanException e) {
  66                         logger.info("createGraph : failed to open Titan graph with configuration file: {}", titanCfgFile, e);
  67                         return false;
  68                 }
  69
  70                 createIndexesAndDefaults();
  71
  72                 logger.info("** Titan graph created ");
  73
  74                 return true;
  75         }
  76
  77         private static boolean isVertexExist(Map<String, Object> properties) {
  78                 TitanGraphQuery query = graph.query();
  79
  80                 if (properties != null && !properties.isEmpty()) {
  81                         for (Map.Entry<String, Object> entry : properties.entrySet()) {
  82                                 query = query.has(entry.getKey(), entry.getValue());
  83                         }
  84                 }
  85                 Iterable<Vertex> vertecies = query.vertices();
  86                 java.util.Iterator<Vertex> iterator = vertecies.iterator();
  87                 if (iterator.hasNext()) {
  88                         return true;
  89                 }
  90                 return false;
  91         }
  92
  93         private static void createDefaultAdminUser() {
  94                 createUser(getDefaultUserAdmin());
  95                 graph.tx().commit();
  96
  97         }
  98
  99         private static void createUser(UserData user) {
 100                 Map<String, Object> checkedProperties = new HashMap<>();
 101                 checkedProperties.put(GraphPropertiesDictionary.USERID.getProperty(), user.getUserId());
 102                 checkedProperties.put(GraphPropertiesDictionary.LABEL.getProperty(), NodeTypeEnum.User.getName());
 103                 Map<String, Object> properties = null;
 104                 if (!isVertexExist(checkedProperties)) {
 105                         Vertex vertex = graph.addVertex();
 106                         vertex.property(GraphPropertiesDictionary.LABEL.getProperty(), NodeTypeEnum.User.getName());
 107                         properties = user.toGraphMap();
 108                         for (Map.Entry<String, Object> entry : properties.entrySet()) {
 109                                 vertex.property(entry.getKey(), entry.getValue());
 110                         }
 111                 }
 112         }
 113
 114         private static UserData getDefaultUserAdmin() {
 115                 UserData userData = new UserData();
 116                 userData.setAction(ActionEnum.Create);
 117                 userData.setElementType(GraphElementTypeEnum.Node);
 118                 userData.setUserId("jh0003");
 119                 userData.setEmail("admin@sdc.com");
 120                 userData.setFirstName("Jimmy");
 121                 userData.setLastName("Hendrix");
 122                 userData.setRole("ADMIN");
 123                 userData.setStatus(UserStatusEnum.ACTIVE.name());
 124                 userData.setLastLoginTime(0L);
 125                 return userData;
 126         }
 127
 128         private static void createVertexIndixes() {
 129                 logger.info("** createVertexIndixes started");
 130
 131                 TitanManagement graphMgt = graph.openManagement();
 132                 TitanGraphIndex index = null;
 133                 for (GraphPropertiesDictionary prop : GraphPropertiesDictionary.values()) {
 134                         PropertyKey propKey = null;
 135                         if (!graphMgt.containsPropertyKey(prop.getProperty())) {
 136                                 Class<?> clazz = prop.getClazz();
 137                                 if (!ArrayList.class.getName().equals(clazz.getName()) && !HashMap.class.getName().equals(clazz.getName())) {
 138                                         propKey = graphMgt.makePropertyKey(prop.getProperty()).dataType(prop.getClazz()).make();
 139                                 }
 140                         } else {
 141                                 propKey = graphMgt.getPropertyKey(prop.getProperty());
 142                         }
 143                         if (prop.isIndexed()) {
 144                                 if (!graphMgt.containsGraphIndex(prop.getProperty())) {
 145                                         if (prop.isUnique()) {
 146                                                 index = graphMgt.buildIndex(prop.getProperty(), Vertex.class).addKey(propKey).unique().buildCompositeIndex();
 147
 148                                                 graphMgt.setConsistency(propKey, ConsistencyModifier.LOCK); // Ensures
 149                                                                                                                                                                         // only
 150                                                                                                                                                                         // one
 151                                                                                                                                                                         // name
 152                                                                                                                                                                         // per
 153                                                                                                                                                                         // vertex
 154                                                 graphMgt.setConsistency(index, ConsistencyModifier.LOCK); // Ensures
 155                                                                                                                                                                         // name
 156                                                                                                                                                                         // uniqueness
 157                                                                                                                                                                         // in
 158                                                                                                                                                                         // the
 159                                                                                                                                                                         // graph
 160
 161                                         } else {
 162                                                 graphMgt.buildIndex(prop.getProperty(), Vertex.class).addKey(propKey).buildCompositeIndex();
 163                                         }
 164                                 }
 165                         }
 166                 }
 167                 graphMgt.commit();
 168                 logger.info("** createVertexIndixes ended");
 169
 170         }
 171
 172         private static void createEdgeIndixes() {
 173                 logger.info("** createEdgeIndixes started");
 174                 TitanManagement graphMgt = graph.openManagement();
 175                 for (GraphEdgePropertiesDictionary prop : GraphEdgePropertiesDictionary.values()) {
 176                         if (!graphMgt.containsGraphIndex(prop.getProperty())) {
 177                                 PropertyKey propKey = graphMgt.makePropertyKey(prop.getProperty()).dataType(prop.getClazz()).make();
 178                                 graphMgt.buildIndex(prop.getProperty(), Edge.class).addKey(propKey).buildCompositeIndex();
 179
 180                         }
 181                 }
 182                 graphMgt.commit();
 183                 logger.info("** createEdgeIndixes ended");
 184         }
 185
 186         private static void createIndexesAndDefaults() {
 187                 createVertexIndixes();
 188                 createEdgeIndixes();
 189                 createDefaultAdminUser();
 190                 createRootCatalogVertex();
 191         }
 192
 193         private static void createRootCatalogVertex() {
 194                 Vertex vertex = graph.addVertex();
 195                 vertex.property(GraphPropertyEnum.UNIQUE_ID.getProperty(), IdBuilderUtils.generateUniqueId());
 196                 vertex.property(GraphPropertyEnum.LABEL.getProperty(), VertexTypeEnum.CATALOG_ROOT.getName());
 197                 graph.tx().commit();
 198         }
 199 }