aai-core/src/main/java/org/onap/aai/db/schema/AuditTitan.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.db.schema;
  21
  22
  23 import java.util.Iterator;
  24 import java.util.LinkedHashSet;
  25
  26 import org.apache.tinkerpop.gremlin.structure.Vertex;
  27
  28 import com.thinkaurelius.titan.core.EdgeLabel;
  29 import com.thinkaurelius.titan.core.PropertyKey;
  30 import com.thinkaurelius.titan.core.TitanGraph;
  31 import com.thinkaurelius.titan.core.schema.TitanGraphIndex;
  32 import com.thinkaurelius.titan.core.schema.TitanManagement;
  33
  34 public class AuditTitan extends Auditor {
  35
  36         private final TitanGraph graph;
  37
  38         /**
  39          * Instantiates a new audit titan.
  40          *
  41          * @param g the g
  42          */
  43         public AuditTitan (TitanGraph g) {
  44                 this.graph = g;
  45                 buildSchema();
  46         }
  47
  48         /**
  49          * Builds the schema.
  50          */
  51         private void buildSchema() {
  52                 populateProperties();
  53                 populateIndexes();
  54                 populateEdgeLabels();
  55         }
  56
  57         /**
  58          * Populate properties.
  59          */
  60         private void populateProperties() {
  61                 TitanManagement mgmt = graph.openManagement();
  62                 Iterable<PropertyKey> iterable = mgmt.getRelationTypes(PropertyKey.class);
  63                 Iterator<PropertyKey> titanProperties = iterable.iterator();
  64                 PropertyKey propKey;
  65                 while (titanProperties.hasNext()) {
  66                         propKey = titanProperties.next();
  67                         DBProperty prop = new DBProperty();
  68
  69                         prop.setName(propKey.name());
  70                         prop.setCardinality(propKey.cardinality());
  71                         prop.setTypeClass(propKey.dataType());
  72
  73                         this.properties.put(prop.getName(), prop);
  74                 }
  75         }
  76
  77         /**
  78          * Populate indexes.
  79          */
  80         private void populateIndexes() {
  81                 TitanManagement mgmt = graph.openManagement();
  82                 Iterable<TitanGraphIndex> iterable = mgmt.getGraphIndexes(Vertex.class);
  83                 Iterator<TitanGraphIndex> titanIndexes = iterable.iterator();
  84                 TitanGraphIndex titanIndex;
  85                 while (titanIndexes.hasNext()) {
  86                         titanIndex = titanIndexes.next();
  87                         if (titanIndex.isCompositeIndex()) {
  88                                 DBIndex index = new DBIndex();
  89                                 LinkedHashSet<DBProperty> dbProperties = new LinkedHashSet<>();
  90                                 index.setName(titanIndex.name());
  91                                 index.setUnique(titanIndex.isUnique());
  92                                 PropertyKey[] keys = titanIndex.getFieldKeys();
  93                                 for (PropertyKey key : keys) {
  94                                         dbProperties.add(this.properties.get(key.name()));
  95                                 }
  96                                 index.setProperties(dbProperties);
  97                                 index.setStatus(titanIndex.getIndexStatus(keys[0]));
  98                                 this.indexes.put(index.getName(), index);
  99                         }
 100                 }
 101         }
 102
 103         /**
 104          * Populate edge labels.
 105          */
 106         private void populateEdgeLabels() {
 107                 TitanManagement mgmt = graph.openManagement();
 108                 Iterable<EdgeLabel> iterable = mgmt.getRelationTypes(EdgeLabel.class);
 109                 Iterator<EdgeLabel> titanEdgeLabels = iterable.iterator();
 110                 EdgeLabel edgeLabel;
 111                 while (titanEdgeLabels.hasNext()) {
 112                         edgeLabel = titanEdgeLabels.next();
 113                         EdgeProperty edgeProperty = new EdgeProperty();
 114
 115                         edgeProperty.setName(edgeLabel.name());
 116                         edgeProperty.setMultiplicity(edgeLabel.multiplicity());
 117
 118                         this.edgeLabels.put(edgeProperty.getName(), edgeProperty);
 119                 }
 120         }
 121
 122 }