/*
* @param token is the authentication token
* @returns the DB structure.
*/
public Dictionary<string, List<string>> GetDBInfo(string token)
{
DateTime dateTime;
DependencyInjection di = DependencyInjection.GetInstance();
IAuthValidate iAuthValidate = (IAuthValidate)di.CreateObject("validate", new object[]
{ null,
m_AuthSeverUrl
});
if (!iAuthValidate.Validate(token, out dateTime))
{
throw new Exception("Not authenticated");
}
Request request = new Request();
request.SetRequestType(RequestType.DB_QUERY);
request.setTableServerObject(m_ITableServer);
request.SetRootServerCallback(OperationContext.Current.GetCallbackChannel<IRootServerCallback>());
m_RequestQueue.enQueueRequest(request);
return new Dictionary<string, List<string>>();
}
/*
* GetResult(id,startline,numberOfLines) receives a request asking for data
* in a table stored on the root server.
* @param id is the identifier for the table on root server.
* @param startLine is the first data entry that the client wants.
* @param numberOfLines is the total number of data entries the client wants.
* @param token is the authentication token.
* @returns the result of operation and info related to the result.
*/
public QueryResult GetResult(string id, int startLine, int numberOfLines, string token)
{
QueryResult queryResult;
DateTime dateTime;
DependencyInjection di = DependencyInjection.GetInstance();
IAuthValidate iAuthValidate = (IAuthValidate)di.CreateObject("validate",new object[]
{ null,
m_AuthSeverUrl
});
if (!iAuthValidate.Validate(token, out dateTime))
{
queryResult = new QueryResult(-1, "Could not authenticate user.");
return queryResult;
}
Request request = new Request();
request.SetRequestType(RequestType.GET_RESULT);
request.setTableServerObject(m_ITableServer);
Object[] requestData = new Object[3];
requestData[0] = id;
requestData[1] = startLine;
requestData[2] = numberOfLines;
request.SetMethodParameters(requestData);
request.SetRootServerCallback(OperationContext.Current.GetCallbackChannel<IRootServerCallback>());
m_RequestQueue.enQueueRequest(request);
queryResult = new QueryResult(Convert.ToInt32(id), "Query result request received.");
return queryResult;
}