URIReferenceService.java
package de.dlr.shepard.neo4Core.services;
import java.util.List;
import de.dlr.shepard.neo4Core.dao.DataObjectDAO;
import de.dlr.shepard.neo4Core.dao.URIReferenceDAO;
import de.dlr.shepard.neo4Core.dao.UserDAO;
import de.dlr.shepard.neo4Core.entities.URIReference;
import de.dlr.shepard.neo4Core.io.URIReferenceIO;
import de.dlr.shepard.util.DateHelper;
import lombok.extern.slf4j.Slf4j;
@Slf4j
public class URIReferenceService implements IReferenceService<URIReference, URIReferenceIO> {
private URIReferenceDAO uRIReferenceDAO = new URIReferenceDAO();
private DataObjectDAO dataObjectDAO = new DataObjectDAO();
private UserDAO userDAO = new UserDAO();
private DateHelper dateHelper = new DateHelper();
@Override
public List<URIReference> getAllReferencesByDataObjectShepardId(long dataObjectShepardId) {
var references = uRIReferenceDAO.findByDataObjectShepardId(dataObjectShepardId);
return references;
}
@Override
public URIReference getReferenceByShepardId(long uriReferenceShepardId) {
var reference = uRIReferenceDAO.findByShepardId(uriReferenceShepardId);
if (reference == null || reference.isDeleted()) {
log.error("URI Reference with id {} is null or deleted", uriReferenceShepardId);
return null;
}
return reference;
}
@Override
public URIReference createReferenceByShepardId(long dataObjectShepardId, URIReferenceIO uriReference,
String username) {
var user = userDAO.find(username);
var dataObject = dataObjectDAO.findLightByShepardId(dataObjectShepardId);
var toCreate = new URIReference();
toCreate.setCreatedAt(dateHelper.getDate());
toCreate.setCreatedBy(user);
toCreate.setDataObject(dataObject);
toCreate.setName(uriReference.getName());
toCreate.setUri(uriReference.getUri());
var created = uRIReferenceDAO.createOrUpdate(toCreate);
created.setShepardId(created.getId());
created = uRIReferenceDAO.createOrUpdate(created);
return created;
}
@Override
public boolean deleteReferenceByShepardId(long uriReferenceShepardId, String username) {
var user = userDAO.find(username);
var old = uRIReferenceDAO.findByShepardId(uriReferenceShepardId);
old.setDeleted(true);
old.setUpdatedAt(dateHelper.getDate());
old.setUpdatedBy(user);
uRIReferenceDAO.createOrUpdate(old);
return true;
}
}