class IO2GOffersTableResponseReader
Parents | |
IO2GGenericTableResponseReader |
Brief
The class reads a stream of offer rows coming from the trading server.
Details
All data from the trading server come in the form of responses. The type of the response depends on the type of the request.
An IO2GResponse
object of the GetOffers
type
comes from the trading server as a response to a request for the initial offer information.
The response consists of the Offers table rows. Every row is represented by an
IO2GOfferRow
object.
In order to read this response, you must use the O2GOffersTableResponseReader
.
Getting the response
If your application uses the IO2GTableManager
, the Offers table is
always loaded during the login process.
This information is kept in an IO2GOffersTable
object.
If your application does not use the IO2GTableManager
, the initial offer information needs to be requested.
Depending on the trading server settings, the Offers table may or may not be loaded by the server automatically during the login process.
To determine whether the table is loaded or not and what follow-up action is required to obtain the GetOffers
response,
use the returned value of the IO2GLoginRules
.isTableLoadedByDefault
method:
Returned Value |
Follow-up action |
|
Call the
|
|
Create a request to get initial offer information by using the
In this case, the instance of an |
Instantiating the class
After receiving the GetOffers
response, an instance of the
O2GOffersTableResponseReader
class can be obtained by calling the
IO2GResponseReaderFactory
.createOffersTableReader
method.
For example:
O2G2Ptr<IO2GResponseReaderFactory> responseFactory = session->getResponseReaderFactory();
if (responseFactory)
{
O2G2Ptr<IO2GOffersTableResponseReader> offersReader = responseFactory->createOffersTableReader(offersResponse);
...
}
Public Methods | |
Gets an instance of the class that provides access to the list of table columns. |
|
Gets the value of a cell. |
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Gets a generic row by its index. |
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Gets a row from the Offers table. |
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Gets the type of a trading table. |
|
Checks whether the cell value can be used or not. |
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Gets the number of rows in the reader. |