private void mergeProperties()

in data-resource-management-service/drms-graph-impl/drms-api/src/main/java/org/apache/airavata/drms/api/handlers/ResourceServiceHandler.java [1044:1088]
42 lines of code
7 McCabe index (conditional complexity)

    private void mergeProperties(String parentResourceId, String parentType, String tenantId, String resourceId,
                                 Map<String, Object> values) {
        for (String key : values.keySet()) {
            Map<String, Object> parameters = new HashMap<>();
            parameters.put("parentResourceId", parentResourceId);
            parameters.put("tenantId", tenantId);
            if (parentResourceId.equals(resourceId) && !(values.get(key) instanceof Map) && !(values.get(key) instanceof List)) {
                Map<String, String> props = new HashMap<>();
                parameters.put("resourceId", resourceId);
                String value = String.valueOf(values.get(key));
                props.put(key, value);
                parameters.put("props", props);
                String query = " MATCH (r:" + parentType + ") where r.entityId= $parentResourceId " +
                        "AND r.tenantId= $tenantId" +
                        " SET r += $props  return r";
                this.neo4JConnector.runTransactionalQuery(parameters, query);

            } else if (values.get(key) instanceof Map) {
                String newResourceId = UUID.randomUUID().toString();
                parameters.put("resourceId", newResourceId);
                String type = "METADATA_NODE";
                Map<String, Object> hashMap = (Map<String, Object>) values.get(key);
                Map<String, Object> newHashMap = new HashMap<>();
                newHashMap.put(DATA_LAKE_JSON_IDENTIFIER, key);
                newHashMap.putAll(hashMap);
                String query = " MATCH (r:" + parentType + ") where r.entityId= $parentResourceId AND r.tenantId= $tenantId " +
                        " MERGE (cr:" + type + " {entityId: $resourceId,tenantId: $tenantId})" +
                        " MERGE (r)-[:HAS_METADATA]->(cr) return cr";
                this.neo4JConnector.runTransactionalQuery(parameters, query);

                mergeProperties(newResourceId, type, tenantId, newResourceId, newHashMap);

            } else if (values.get(key) instanceof List) {
                ArrayList arrayList = (ArrayList) values.get(key);
                Map<String, Object[]> props = new HashMap<>();
                parameters.put("resourceId", resourceId);
                props.put(key, arrayList.toArray());
                parameters.put("props", props);
                String query = " MATCH (r:" + parentType + ") where r.entityId= $parentResourceId " +
                        "AND r.tenantId= $tenantId" +
                        " SET r += $props  return r";
                this.neo4JConnector.runTransactionalQuery(parameters, query);
            }
        }
    }