libisofs/doc/devel/UML/stream.violet
2007-10-14 17:41:19 +02:00

493 lines
15 KiB
XML

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<string>get_size()
read()
open()
close()
is_repeatable()</string>
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<string>«interface»
Stream</string>
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<string>filter(in, out)</string>
</void>
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<string>«interface»
Filter</string>
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<string>A Stream to read data from an abstract
file represented by a SourceFile</string>
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<string>A stream to get data from an arbitrary file
descritor. size must be know in advance.</string>
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<string>fd : int
size : off_t</string>
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<string>FdStream</string>
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<string>A Filter do a tranformation on a stream of data.
The main difference with TransformSources is that
a Filter can be applied to several sources.
NOTES:
- filter() method still to define
- A filter_changes_size() method can be useful
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<string>size : off_t
lba: off_t</string>
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<string>CutOutStream</string>
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<string>This can be implemented as a Filter, but
it has no sense to have the same cut out
filter to several sources, so this is a better
place.</string>
</void>
</void>
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<string>A stream that applies some transformation
to the contents of another stream.</string>
</void>
</void>
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<string>«interface»
SourceFile</string>
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</java>