String processInstanceName = getProcessInstanceName(entityName,
lineageMetadata.get(LineageArgs.NOMINAL_TIME.getOptionName()));
LOG.info("Adding process instance: " + processInstanceName);
String timestamp = getTimestamp(lineageMetadata);
Vertex processInstance = addVertex(processInstanceName, RelationshipType.PROCESS_INSTANCE, timestamp);
addWorkflowInstanceProperties(processInstance, lineageMetadata);
addInstanceToEntity(processInstance, entityName,
RelationshipType.PROCESS_ENTITY, RelationshipLabel.INSTANCE_ENTITY_EDGE);
addInstanceToEntity(processInstance, lineageMetadata.get(LineageArgs.CLUSTER.getOptionName()),