Contents
This adapter sample illustrates the use of the Spotfire Streaming Text File Reader Adapter by reading a file and emitting a tuple that contains the file's contents in a string field.
In StreamBase Studio, import this sample with the following steps:
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From the top-level menu, select >.
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Enter
filerto narrow the list of options. -
Select File reader input adapter from the StreamBase Standard Adapters category.
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Click .
StreamBase Studio creates a project for the sample.
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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.
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Open the
src/main/eventflow/folder.packageName -
Open the
filereader.sbappfile and click the
Run button. This opens the SB
Test/Debug perspective and starts the module.
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In the Manual Input view, click to send the default
nulltuple. -
In the Output Streams view, observe tuples emitted on the
StatusandDataoutput streams, the latter of which contains the contents of the configured default file,MyFile.txt. -
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_filereader
See Default Installation
Directories for the default location of studio-workspace on your system.