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How to Efficiently Display Database Data in a Swing Table Using AbstractTableModel and SwingWorker?

Mary-Kate Olsen
Release: 2024-11-11 13:11:02
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How to Efficiently Display Database Data in a Swing Table Using AbstractTableModel and SwingWorker?

AbstractTableModel GUI Display Issue

The mentioned issue occurs due to the asynchronous nature of database access and the need to retrieve rows in the background to avoid blocking the event dispatch thread. SwingWorker facilitates this process.

Solution:

Implement the following workflow:

  1. Fetch rows in the background using doInBackground() in a SwingWorker instance.
  2. Publish interim results using publish().
  3. Add the published rows to the table model in process().

Refined Implementation:

  • Extend AbstractTableModel with a custom JDBCModel.
  • Create a JDBCWorker class within JDBCModel, which delegates row retrieval to the database.
  • JDBCWorker publishes rows to the model, which updates the GUI on the EDT.
  • Defer row deletion from the model to JDBCModel's delete() method.
  • Use fireTableRowsDeleted() after successfully removing the row from the database.

Additional Recommendations:

  • Implement live filtering in the view to enhance user experience.
  • Customize the table's preferred viewport size by overriding getPreferredScrollableViewportSize().
  • Avoid naming collisions with common API names, such as TableModel.

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