org.aksw.jena_sparql_api.io.deprecated

Interface SeekableMatcher

All Known Implementing Classes:

BoyerMooreMatcher, SeekableMatcherDelegate, SeekableMatcherForByte

public interface SeekableMatcher

A matcher over a Seekable. Invoking next match changes the position of the seekable to the next match if available Matchers may also match in reverse direction If a match is found, the current position of the seekable is assumed to be the start of the match, such that nextPos() / prevPos() move towards the end of the match [< reverse match direction -] [match pos] [ - forward match direction >]

Author:

raven

Method Summary

Modifier and Type	Method and Description
boolean	find(Seekable seekable) Move the position to the next match.
boolean	isForward() Whether the matcher matches in forward direction and thus nextPos() moves towards the end of the match.
void	resetState() Reset the state of the matcher such that it can be used with a fresh seekable

Method Detail

isForward

boolean isForward()

Whether the matcher matches in forward direction and thus nextPos() moves towards the end of the match. If false, prevPos() moves towards the end of the match

Returns:

resetState

void resetState()

Reset the state of the matcher such that it can be used with a fresh seekable

find

boolean find(Seekable seekable)
      throws IOException

Move the position to the next match. Position is unspecified if no match was found. TODO Add a horizon argument to limit scanning in case of infinite streams

Parameters:

seekable -

Returns:

true if a match was found, false otherwise

Throws:

IOException