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by <a href="http://gee.cs.oswego.edu/dl">Doug Lea</a> |
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<p> |
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This is the proposed final draft JSR166 specification. To check for |
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further updates, or join a mailing list discussing JSR-166, go to: <A |
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This is maintenance repository of JSR166 specifications. For further |
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information, go to: <A |
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HREF="http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest"> |
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http://altair.cs.oswego.edu/mailman/listinfo/concurrency-interest</A>. |
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<p><em>Note: The javadocs here includes some existing java.util |
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Collection interfaces and classes that are not part of the JSR-166 |
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spec, but are included because JSR-166 methods implement or inherit |
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from their specifications.</em> |
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<p><em>Note: The javadocs here do <em>not</em> include pre-existing |
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java classes (for example <tt>java.lang.Thread</tt>) that were changed |
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as part of the JSR166 spec. On the other hand, the javadocs here do |
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include some existing java.util Collection interfaces and classes that |
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are not part of the spec, but are included because some new methods |
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implement or inherit from their specifications. |
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</em> |
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<p> JSR-166 introduces package <tt>java.util.concurrent</tt> |
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<p>JSR-166 introduces package <tt>java.util.concurrent</tt> |
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containing utility classes commonly useful in concurrent |
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programming. Like package <tt>java.util</tt>, it includes a few small |
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standardized extensible frameworks, as well as other classes that |
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provide useful functionality and are otherwise tedious or difficult to |
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implement. |
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<p>JSR-166 focusses on breadth, providing critical functionality |
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<p>JSR-166 focuses on breadth, providing critical functionality |
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useful across a wide range of concurrent programming styles and |
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applications, ranging from low-level atomic operations, to |
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customizable locks and synchronization aids, to various concurrent |
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class: |
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<ul> |
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<li> It now allows per-thread installation of handlers for uncaught |
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exceptions. Ths optionally disassociates handlers from ThreadGroups, |
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exceptions. This optionally disassociates handlers from ThreadGroups, |
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which has proven to be too inflexible. (Note that the combination of |
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features in JSR-166 make ThreadGroups even less likely to be used in |
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most programs. Perhaps they will eventually be deprecated.) |
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<tt>InterruptedExceptions</tt>. |
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<li> The <tt>destroy</tt> method, which has never been implemented, |
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has finally been deprecated. This is just a spec change, reflecting |
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the fact that that the reason it has never been implemented is that |
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the fact that the reason it has never been implemented is that |
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it was undesirable and unworkable. |
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</ul> |
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