Contents
This sample demonstrates the use of the Spotfire Streaming Adapter for GAIN GTX. To use this sample, you must have access to a valid GAIN GTX server.
In StreamBase Studio, import this sample with the following steps:
-
From the top-level menu, select
> . -
Enter
gain
to narrow the list of options. -
Select Gain GTX adapter from the StreamBase Market Execution Adapters category.
-
Click
.
StreamBase Studio creates a project for this sample.
-
In the Project Explorer view, open the sample you just loaded.
If you see red marks on a project folder, wait a moment for the project to load its features.
If the red marks do not resolve themselves after a minute, select the project, right-click, and select
> from the context menu. -
Open the
src/main/eventflow/
folder.packageName
-
Open the
GAIN-GTX-Sample.sbapp
file. -
Select the adapter icon to open the Properties view for the adapter.
-
Select the Adapter Properties tab and enter the Server URL, User Name and Password of the GAIN GTX server to which you have access.
-
Save the module.
-
Click the Run button. This opens the SB Test/Debug perspective and starts the module.
-
In the Test/Debug Perspective, open the Output Streams view. If connectivity to your GAIN GTX server is configured correctly, look for tuples emitted on the
Status
stream indicating that the adapter has established a connection to the server. -
In the Manual Input view, select the
Commands
stream. Enterdisconnect
in thecommand
field. Click and observe that a tuple is emitted on theStatus
stream, and a message is printed to the console to indicate the adapter disconnected from the GAIN GTX server. -
In the Manual Input view, select the
Commands
stream again. Enterconnect
in thecommand
field. Click and observe that a tuple is emitted on theStatus
stream, and a message is printed to the console to indicate the adapter has reconnected to the GAIN GTX server. -
In the Manual Input view, subscribe to get market data for the EUR/USD currency pair by selecting the
Subscriptions
stream and enteringmarketdata
in thecommand
field andEURUSD
in thesymbol
field. Click and observe that a new tuple has been emitted on theStatus
stream indicating that the adapter has subscribed to receive Market Data for the given symbol. You can also observe that tuples are emitted on theMarketData
stream as new market data ticks are received from the GAIN GTX server. -
In the Manual Input view, subscribe for trading operations for the EUR/USD currency pair by selecting the
Subscriptions
stream and enteringtrading
in thecommand
field andEURUSD
in thesymbol
field. Click and observe that a new tuple has been emitted on theStatus
stream indicating that the adapter has subscribed for trading for the given symbol. You are now ready to send and cancel orders for this currency pair using theTrades
port. -
When done, press F9 or click the Terminate EventFlow Fragment button.
When you load the sample into StreamBase® Studio, Studio copies the sample project's files to your Studio workspace, which is normally part of your home directory, with full access rights.
Important
Load this sample in StreamBase® Studio, and thereafter use the Studio workspace copy of the sample to run and test it, even when running from the command prompt.
Using the workspace copy of the sample avoids permission problems. The default workspace location for this sample is:
studio-workspace
/sample_adapter_embedded_gain-gtx
See Default Installation
Directories for the default location of studio-workspace
on your system.