DataObjectReferenceService.java
package de.dlr.shepard.neo4Core.services;
import de.dlr.shepard.exceptions.InvalidBodyException;
import de.dlr.shepard.neo4Core.dao.DataObjectDAO;
import de.dlr.shepard.neo4Core.dao.DataObjectReferenceDAO;
import de.dlr.shepard.neo4Core.dao.UserDAO;
import de.dlr.shepard.neo4Core.dao.VersionDAO;
import de.dlr.shepard.neo4Core.entities.DataObject;
import de.dlr.shepard.neo4Core.entities.DataObjectReference;
import de.dlr.shepard.neo4Core.entities.User;
import de.dlr.shepard.neo4Core.entities.Version;
import de.dlr.shepard.neo4Core.io.DataObjectReferenceIO;
import de.dlr.shepard.util.DateHelper;
import io.quarkus.logging.Log;
import jakarta.enterprise.context.RequestScoped;
import jakarta.inject.Inject;
import java.util.List;
@RequestScoped
public class DataObjectReferenceService implements IReferenceService<DataObjectReference, DataObjectReferenceIO> {
private DataObjectReferenceDAO dataObjectReferenceDAO;
private DataObjectDAO dataObjectDAO;
private VersionDAO versionDAO;
private UserDAO userDAO;
private DateHelper dateHelper;
DataObjectReferenceService() {}
@Inject
public DataObjectReferenceService(
DataObjectReferenceDAO dataObjectReferenceDAO,
DataObjectDAO dataObjectDAO,
VersionDAO versionDAO,
UserDAO userDAO,
DateHelper dateHelper
) {
this.dataObjectReferenceDAO = dataObjectReferenceDAO;
this.dataObjectDAO = dataObjectDAO;
this.versionDAO = versionDAO;
this.userDAO = userDAO;
this.dateHelper = dateHelper;
}
@Override
public List<DataObjectReference> getAllReferencesByDataObjectShepardId(long dataObjectShepardId) {
var references = dataObjectReferenceDAO.findByDataObjectShepardId(dataObjectShepardId);
return references;
}
@Override
public DataObjectReference getReferenceByShepardId(long dataObjectReferenceShepardId) {
var reference = dataObjectReferenceDAO.findByShepardId(dataObjectReferenceShepardId);
if (reference == null || reference.isDeleted()) {
Log.errorf("Data Object Reference with id %s is null or deleted", dataObjectReferenceShepardId);
return null;
}
return reference;
}
@Override
public DataObjectReference createReferenceByShepardId(
long dataObjectShepardId,
DataObjectReferenceIO dataObjectReference,
String username
) {
User user = userDAO.find(username);
DataObject dataObject = dataObjectDAO.findLightByShepardId(dataObjectShepardId);
DataObject referenced = dataObjectDAO.findLightByShepardId(dataObjectReference.getReferencedDataObjectId());
if (referenced == null || referenced.isDeleted()) {
throw new InvalidBodyException(
String.format(
"The referenced dataObject with id %d could not be found.",
dataObjectReference.getReferencedDataObjectId()
)
);
}
DataObjectReference toCreate = new DataObjectReference();
toCreate.setCreatedAt(dateHelper.getDate());
toCreate.setCreatedBy(user);
toCreate.setDataObject(dataObject);
toCreate.setName(dataObjectReference.getName());
toCreate.setReferencedDataObject(referenced);
toCreate.setRelationship(dataObjectReference.getRelationship());
DataObjectReference created = dataObjectReferenceDAO.createOrUpdate(toCreate);
created.setShepardId(created.getId());
created = dataObjectReferenceDAO.createOrUpdate(created);
Version version = versionDAO.findVersionLightByNeo4jId(dataObject.getId());
versionDAO.createLink(created.getId(), version.getUid());
return created;
}
@Override
public boolean deleteReferenceByShepardId(long dataObjectReferenceShepardId, String username) {
User user = userDAO.find(username);
DataObjectReference old = dataObjectReferenceDAO.findByShepardId(dataObjectReferenceShepardId);
old.setDeleted(true);
old.setUpdatedAt(dateHelper.getDate());
old.setUpdatedBy(user);
dataObjectReferenceDAO.createOrUpdate(old);
return true;
}
public DataObject getPayloadByShepardId(long dataObjectReferenceShepardId) {
DataObjectReference reference = dataObjectReferenceDAO.findByShepardId(dataObjectReferenceShepardId);
DataObject dataObject = dataObjectDAO.findByShepardId(reference.getReferencedDataObject().getShepardId());
if (dataObject.isDeleted()) {
Log.errorf("Data Object with id %s is deleted", reference.getReferencedDataObject().getId());
return null;
}
return dataObject;
}
}