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# Binary File Reader and Writer Adapter Sample

## About This Sample

This sample demonstrates the use of the TIBCO StreamBase® Binary File Reader and Writer Adapters.

## Importing This Sample into StreamBase Studio

In StreamBase Studio, import this sample with the following steps:

- From the top-level menu, click File → Load StreamBase Sample.

- Enter `bina` to narrow the list of options.

- Select Binary file input/output adapters from the Large Data storage and Analysis category.

- Click OK.

StreamBase Studio creates a project for the sample.

## Running This Sample in StreamBase Studio

1. 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 Maven → Update Project from the context menu.

2. Open the `src/main/eventflow/`packageName`` folder.

3. Open the `binaryrw.sbapp` file.

4. In the Project Explorer view, double-click `myfile.csv`, located in `src/main/resources`, to see the CSV records that will be converted to binary.

5. Click the Run button. This opens the Test/Debug perspective and starts the module.

6. In the Manual Input view, select the DoWrite input stream and click Send Data.

7. Look for tuples emitted on the BinaryDataWritten output stream and observe they contain the values from `myfile.csv`.

8. Select the DoRead input stream and press Send Data.

9. Look for tuples emitted on the BinaryDataRead output stream and observe they contain the values from `myfile.csv`.

10. When done, press F9 or click the Terminate EventFlow Fragment button.

## Sample Location

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_binaryrw

See Default Installation Directories for the default location of `studio-workspace` on your system.