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|---|---|
| From | Andreas Leitgeb <avl@logic.at> |
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: DefaultTableModel.getDataVector() and Java 11 |
| Date | Wed, 3 Apr 2019 16:41:17 -0000 (UTC) |
| Organization | A noiseless patient Spider |
| Lines | 33 |
| Message-ID | <slrnqa9ohd.cfl.avl@logic.at> (permalink) |
| References | <slrnqa9lo4.cfl.avl@logic.at> <q82ngd$u5p$1@newsreader4.netcologne.de> |
| Reply-To | avl@logic.at |
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Patrick Roemer <sangamon@netcologne.de> wrote: > Responding to Andreas Leitgeb: >> In Java up to 8 DefaultTableModel had a method getDataVector() >> that returned a raw Vector. >> >> My application's custom TableModel overrode the method to return >> a Vector<MyRowType>, where MyRowType provided direct type-safe >> accessors for each column. >> >> In Java 11 it seems to have changed to returning a Vector of >> raw Vectors. >> >> At first glance this seems just goofy to me, because that doesn't >> really make it type-safe (it still involves a raw type), and it even >> prevents me from making it type-safe myself. >> >> I hope, someone here can provide me with a second glance that >> clarifies the rationale behind the change. > > API doc for this method in Java 8: "Returns the Vector of Vectors that > contains the table's data values." There's quite a few occurrences of > casts such as "(Vector)dataVector.elementAt(row)" in the > DefaultTableModel code, too. > > So it seems that using another element type than Vector with > DefaultTableModel has never really been a safe option, and the change > only codifies to types what the contract has always been saying. Custom > [Abstract]TableModel to the rescue... Thanks a lot - it now makes sense with that background. Will see what I really need beyond AbstractTableModel.
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DefaultTableModel.getDataVector() and Java 11 Andreas Leitgeb <avl@logic.at> - 2019-04-03 15:53 +0000
Re: DefaultTableModel.getDataVector() and Java 11 Patrick Roemer <sangamon@netcologne.de> - 2019-04-03 18:37 +0200
Re: DefaultTableModel.getDataVector() and Java 11 Andreas Leitgeb <avl@logic.at> - 2019-04-03 16:41 +0000
Re: DefaultTableModel.getDataVector() and Java 11 Eric Sosman <esosman@comcast-dot-net.invalid> - 2019-04-03 12:44 -0400
Re: DefaultTableModel.getDataVector() and Java 11 Andreas Leitgeb <avl@logic.at> - 2019-04-03 17:33 +0000
Re: DefaultTableModel.getDataVector() and Java 11 Eric Douglas <e.d.programmer@gmail.com> - 2019-04-03 11:22 -0700
Re: DefaultTableModel.getDataVector() and Java 11 Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2019-04-03 18:49 +0200
Re: DefaultTableModel.getDataVector() and Java 11 Eric Douglas <e.d.programmer@gmail.com> - 2019-04-03 10:34 -0700
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