public RemoteDataset(
[NotNull] ITable schema,
[NotNull] Func <DataVerificationResponse, DataVerificationRequest> getRemoteDataFunc,
[CanBeNull] ClassDef classDefinition,
[CanBeNull] RelationshipClassQuery queryDefinition = null)
{
Assert.True(classDefinition != null | queryDefinition != null,
"Either the class definition or the query definition must be provided.");
_schema = schema;
_classDefinition = classDefinition;
_queryDefinition = queryDefinition;
GetData = getRemoteDataFunc;
}
private ITable GetRemoteQueryTable([NotNull] string relationshipClassName,
[NotNull] Model model,
[NotNull] IList <ITable> tables,
JoinType joinType,
[CanBeNull] string whereClause)
{
var dataRequest = new DataVerificationResponse
{
SchemaRequest = new SchemaRequest()
};
RelationshipClassQuery relClassQueryMsg =
new RelationshipClassQuery
{
RelationshipClassName = relationshipClassName,
WorkspaceHandle = model.Id,
JoinType = (int)joinType,
};
relClassQueryMsg.Tables.AddRange(tables.Select(DatasetUtils.GetName));
if (!string.IsNullOrEmpty(whereClause))
{
relClassQueryMsg.WhereClause = whereClause;
}
dataRequest.SchemaRequest.RelationshipClassQueries.Add(relClassQueryMsg);
DataVerificationRequest dataResponse = _dataRequestFunc(dataRequest);
GdbWorkspace gdbWorkspace =
Assert.NotNull(_virtualWorkspaces).First(w => w.WorkspaceHandle == model.Id);
ObjectClassMsg queryTableMsg = dataResponse.Schema.RelclassDefinitions.First();
Func <ITable, BackingDataset> createBackingDataset = null;
if (_dataRequestFunc != null)
{
createBackingDataset = (t) =>
new RemoteDataset(t, _dataRequestFunc, null, relClassQueryMsg);
}
// It is cached on the client side, in case various tests utilize the same definition.
// TODO: Test!
return(ProtobufConversionUtils.FromObjectClassMsg(queryTableMsg, gdbWorkspace,
createBackingDataset));
}
