File Monitor Input Adapter Sample

Contents

About This Sample
Running This Sample in StreamBase Studio
Importing This Sample into StreamBase Studio
Sample Location

About This Sample

This adapter sample illustrates the use of the TIBCO StreamBase® File Monitor Adapter, which watches a directory or specific file for changes and emits tuples that describe file system changes as they occur.

Running This Sample in StreamBase Studio

  1. In the Package Explorer, double-click to open the filemonitor.sbapp application. Make sure the application is the currently active tab in the EventFlow Editor.

  2. Click the Run button. This opens the SB Test/Debug perspective and starts the application.

  3. In the Manual Input view, select the Control stream.

    Enter ./TestFolder for path, and true for the remaining fields and click Send Data to send the tuple.

  4. In the Application Output view, observe tuples emitted on the FileMonitorStatus output stream

  5. Use a command window or file system tool to modify the folders and files inside the TestFolder or add and delete other files and folders. Observe the content of tuples emitted on the FileNotifications output stream.

  6. Press F9 or click the Stop Running Application button.

Importing This Sample into StreamBase Studio

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

  • From the top menu, select File → Load StreamBase Sample.

  • Select File Monitor input adapter from the StreamBase Standard Adapters category.

  • Click OK.

StreamBase Studio creates a single project containing the sample files.

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 the permission problems that can occur when trying to work with the initially installed location of the sample. The default workspace location for this sample is: 

studio-workspace/sample_adapter_embedded_filemonitor

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

In the default TIBCO StreamBase installation, this sample's files are initially installed in: 

streambase-install-dir/sample/adapter/embedded/filemonitor

See Default Installation Directories for the location of streambase-install-dir on your system. This location may require administrator privileges for write access, depending on your platform.