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Posted to dev@commons.apache.org by "Stephen Colebourne (JIRA)" <ji...@apache.org> on 2006/10/07 15:56:20 UTC
[jira] Updated: (IO-92) Add DeferredPeriodicOutputStream
[ http://issues.apache.org/jira/browse/IO-92?page=all ]
Stephen Colebourne updated IO-92:
---------------------------------
Summary: Add DeferredPeriodicOutputStream (was: new ThresholdingOutputStream implementation)
Issue Type: New Feature (was: Improvement)
Fix Version/s: 1.4
Affects Version/s: (was: 1.2)
> Add DeferredPeriodicOutputStream
> --------------------------------
>
> Key: IO-92
> URL: http://issues.apache.org/jira/browse/IO-92
> Project: Commons IO
> Issue Type: New Feature
> Components: Streams/Writers
> Environment: Windows XP SP2, jdk 1.5
> Reporter: Michele Mazzucco
> Fix For: 1.4
>
> Attachments: DeferredPeriodicOutputStream.java, DeferredPeriodicOutputStreamTest.java
>
>
> I've extended the ThresholdingOutputStream class with a new class which
> behaves different from DeferredFileOutputStream:
> - when the stream is closed, the content stored in memory is *always* flushed to disk (in DeferredFileOutputStream, instead, if the treshold
> is not reached data is lost)
> - DeferredFileOutputStream maintains data in memory only until the treshold value has been reached, then it immediately writes every byte
> to disk. This new implementation, instead, caches treshold bytes in memory, and every time that value is reached (that is, treshold, 2 * threshold, etc), it flushes data to disk. In other words it acts as a cache.
> - It implements the java.io.DataOutput interface, that is, it provides utility methods to write all primitive types (e.g. short, byte, char, int, float, long, double and String in different formats)
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