Upgrade SDC from Titan to Janus Graph
[sdc.git] / catalog-model / src / main / java / org / openecomp / sdc / be / model / operations / impl / CommonTypeOperations.java
1 package org.openecomp.sdc.be.model.operations.impl;
2
3 import static java.util.Collections.emptyList;
4
5 import java.util.HashMap;
6 import java.util.List;
7 import java.util.Map;
8 import java.util.Optional;
9 import java.util.function.Consumer;
10 import java.util.function.Function;
11 import java.util.stream.Collectors;
12 import org.openecomp.sdc.be.dao.graph.datatype.GraphNode;
13 import org.openecomp.sdc.be.dao.janusgraph.HealingJanusGraphGenericDao;
14 import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
15 import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
16 import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
17 import org.openecomp.sdc.be.model.PropertyDefinition;
18 import org.springframework.stereotype.Component;
19
20 @Component
21 public class CommonTypeOperations {
22
23     private final HealingJanusGraphGenericDao janusGraphGenericDao;
24     private final PropertyOperation propertyOperation;
25     private final OperationUtils operationUtils;
26
27     public CommonTypeOperations(HealingJanusGraphGenericDao janusGraphGenericDao, PropertyOperation propertyOperation,
28                                 OperationUtils operationUtils) {
29         this.janusGraphGenericDao = janusGraphGenericDao;
30         this.propertyOperation = propertyOperation;
31         this.operationUtils = operationUtils;
32     }
33
34     public <T extends GraphNode> void addType(T typeData, Class<T> clazz) {
35         janusGraphGenericDao.createNode(typeData, clazz)
36             .left()
37             .on(operationUtils::onJanusGraphOperationFailure);
38     }
39
40     public <T extends GraphNode> Optional<T> getType(String uniqueId, Class<T> clazz, NodeTypeEnum nodeType) {
41         T type = janusGraphGenericDao.getNode(UniqueIdBuilder.getKeyByNodeType(nodeType), uniqueId, clazz)
42                 .left()
43                 .on(err -> null);
44         return Optional.ofNullable(type);
45     }
46
47     public <T extends GraphNode> Optional<T> getLatestType(String type, Class<T> clazz, NodeTypeEnum nodeType) {
48         Map<String, Object> mapCriteria = new HashMap<>();
49         mapCriteria.put(GraphPropertiesDictionary.TYPE.getProperty(), type);
50         mapCriteria.put(GraphPropertiesDictionary.IS_HIGHEST_VERSION.getProperty(), true);
51         return janusGraphGenericDao.getByCriteria(nodeType, mapCriteria, clazz)
52                 .left()
53                 .on(err -> emptyList())
54                 .stream()
55                 .findFirst();
56     }
57
58     public void addProperties(String uniqueId, NodeTypeEnum nodeType, List<PropertyDefinition> properties) {
59         propertyOperation.addPropertiesToElementType(uniqueId, nodeType, properties)
60             .left()
61             .on(operationUtils::onJanusGraphOperationFailure);
62     }
63
64     public void fillProperties(String uniqueId, NodeTypeEnum nodeType, Consumer<List<PropertyDefinition>> propertySetter) {
65         JanusGraphOperationStatus
66             status = propertyOperation.fillPropertiesList(uniqueId, nodeType, propertySetter);
67         if (status!= JanusGraphOperationStatus.OK) {
68             operationUtils.onJanusGraphOperationFailure(status);
69         }
70     }
71
72     /**
73      * Handle update of type without dervidedFrom attribute
74      */
75     public  <T extends GraphNode> void updateType(T typeData, List<PropertyDefinition> properties, Class<T> clazz, NodeTypeEnum nodeType) {
76         janusGraphGenericDao.updateNode(typeData, clazz)
77                 .left()
78                 .on(operationUtils::onJanusGraphOperationFailure);
79         Map<String, PropertyDefinition> newProperties = properties.stream()
80                 .collect(Collectors.toMap(PropertyDefinition::getName, Function.identity()));
81         propertyOperation.mergePropertiesAssociatedToNode(nodeType, typeData.getUniqueId(), newProperties)
82                 .left()
83                 .on(operationUtils::onJanusGraphOperationFailure);
84     }
85 }