@Override
public boolean removeDBLease(DBLease lease, String path) {
CouchDbClient dbClient = connectionProvider.getDBClient(CouchDbClient.class, path);
Response resp = null;
if (lease.get_rev() != null) {
try {
resp = dbClient.remove(lease.get_id(), lease.get_rev());
} catch (Exception e) {
DBLease entity2 = reload(lease.get_id(), path);
if (entity2 != null) {
lease = entity2;
resp = dbClient.remove(lease.get_id(), lease.get_rev());
}
}
}
String rev = null;
if (resp != null) {
rev = resp.getRev();
} else {
rev = lease.get_rev();
}
dbClient.purge(path, lease.get_id(), new String[] {rev});
return true;
}
@Override
public DBLease add(DBLease entity, String path) {
CouchDbClient dbClient =
connectionProvider.getDBClient(CouchDbClient.class, DaoConstants.NOTIFICATION);
DBLease found = null;
try {
found = dbClient.find(DBLeaseImpl.class, entity.get_id());
} catch (Exception e) {
}
if (found != null) {
entity.set_rev(found.get_rev());
}
boolean conflict = false;
if (entity.get_rev() == null) {
Response re = dbClient.save(entity);
entity.set_rev(re.getRev());
System.out.println(re);
return entity;
} else {
// entity.set_rev(found.get_rev());
Response re;
try {
re = dbClient.update(entity);
entity.set_rev(re.getRev());
System.out.println(re);
} catch (Exception e) {
conflict = true;
System.out.println(entity);
e.printStackTrace();
}
}
if (conflict && found == null) // update conflict due to previous deleted version
{
HttpHead head = new HttpHead(dbClient.getDBUri() + entity.get_id());
// HttpResponse response = dbClient.executeRequest(head);
//
// String revision = response.getFirstHeader("ETAG").getValue();
//
//// HttpClientUtils.closeQuietly(response); // closes the response
// Params params = null;
// found = dbClient.find(DBLeaseImpl.class, entity.get_id(), params);
}
return entity;
//
// Map<String, String> options = new HashMap<String, String>();
// options.put(XMLResource.OPTION_ENCODING, BTSConstants.ENCODING); // set
// // encoding
// // to
// // UTF-8
// Resource resource = entity.eResource();
// // check if entity has resource, that is if it was newly created or not
// if (resource == null)
// {
// URI uri = URI.createURI(getLocalDBURL() + "/" + DaoConstants.NOTIFICATION + "/" +
// entity.get_id());
// logger.info("Resource was null, object was newly created and is persisted for the first
// time: " + uri.path());
// resource = connectionProvider.getEmfResourceSet().createResource(uri);
// resource.getContents().add(entity);
// }
// else
// {
// CouchDbClient dbClient = connectionProvider.getDBClient(
// CouchDbClient.class, DaoConstants.NOTIFICATION);
// Response re = dbClient.save(entity);
// System.out.println(re);
// return entity;
// }
// while (resource.getContents().size() > 1)
// {
// resource.getContents().remove(1);
// }
//
// try
// {
// resource.save(options);
// } catch (IOException e)
// {
// logger.error("error trying to save: " + entity, e);
//// throw new RuntimeException("Save Resource failed", e);
// }
// if (!resource.getContents().isEmpty())
// {
// return (DBLease) resource.getContents().remove(0);
// }
// return entity;
}