This sample uses a Filter operator to pass only trades of 10000 shares or more. The
input stream contains the fields
This topic describes
Filter.sbapp, the Filter operator
In StreamBase Studio, import this sample with the following steps:
From the top-level menu, click> .
sample groupto narrow the list of options.
Select Operator sample group from the Data Constructs and Operators category.
StreamBase Studio creates a single project for all the operator samples.
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.
Filter.sbappfile and click the Run button. This opens the SB Test/Debug perspective and starts the module.
In the Output Streams view, select the StockOut output stream
In the Manual Input view, select the StockIn input stream
10000in the Symbol and Volume fields, respectively
Click, and observe that data appears in the StockOut stream
9999in the Volume field.
Click, and observe no new data appears in the StockOut stream.
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.
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:
See Default Installation
Directories for the default location of
studio-workspace on your system.