ProcessingFilter
public class SortHeadFilter extends BasicFilter
sort
followed
by head
, but the algorithm is different (a complete
sort is not necessary), so this way will usually be faster.Constructor | Description |
---|---|
SortHeadFilter() |
Modifier and Type | Method | Description |
---|---|---|
ProcessingStep |
createStep(java.util.Iterator argIt) |
Creates a new ProcessingStep based on a sequence of command-line
arguments.
|
protected java.lang.String[] |
getDescriptionLines() |
explainSyntax, getDescription, getName, getUsage
protected java.lang.String[] getDescriptionLines()
getDescriptionLines
in class BasicFilter
public ProcessingStep createStep(java.util.Iterator argIt) throws ArgException
ProcessingFilter
If the argument list is badly-formed as far as this filter is
concerned, an ArgException
should be thrown.
If its usageFrament
is blank, it will be filled in
later using this mode's usage text.
argIt
- iterator over command-line arguments positioned
at the first oneArgException
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