org.elasticsearch.common.lucene.search.vectorhighlight
Class SimpleBoundaryScanner2

java.lang.Object
  org.elasticsearch.common.lucene.search.vectorhighlight.SimpleBoundaryScanner2

All Implemented Interfaces:

org.apache.lucene.search.vectorhighlight.BoundaryScanner

public class SimpleBoundaryScanner2
extends Object
implements org.apache.lucene.search.vectorhighlight.BoundaryScanner

A copy of Lucene SimpleBoundaryScanner.

Uses specialized char set to lookup boundary, and fixes a problem with start offset in the beginning of the text: https://issues.apache.org/jira/browse/LUCENE-3697 (which has a problem with multiple empty fields to highlight...).

Field Summary

gnu.trove.set.hash.TCharHashSet	boundaryChars
static SimpleBoundaryScanner2	DEFAULT
static char[]	DEFAULT_BOUNDARY_CHARS
static int	DEFAULT_MAX_SCAN
int	maxScan

Constructor Summary

SimpleBoundaryScanner2()

SimpleBoundaryScanner2(int maxScan, char[] boundaryChars)

Method Summary

int	findEndOffset(StringBuilder buffer, int start)
int	findStartOffset(StringBuilder buffer, int start)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_MAX_SCAN

public static final int DEFAULT_MAX_SCAN

See Also:

Constant Field Values

DEFAULT_BOUNDARY_CHARS

public static final char[] DEFAULT_BOUNDARY_CHARS

DEFAULT

public static final SimpleBoundaryScanner2 DEFAULT

maxScan

public int maxScan

boundaryChars

public gnu.trove.set.hash.TCharHashSet boundaryChars

Constructor Detail

SimpleBoundaryScanner2

public SimpleBoundaryScanner2()

SimpleBoundaryScanner2

public SimpleBoundaryScanner2(int maxScan,
                              char[] boundaryChars)

Method Detail

findStartOffset

public int findStartOffset(StringBuilder buffer,
                           int start)

Specified by:

findStartOffset in interface org.apache.lucene.search.vectorhighlight.BoundaryScanner

findEndOffset

public int findEndOffset(StringBuilder buffer,
                         int start)

Specified by:

findEndOffset in interface org.apache.lucene.search.vectorhighlight.BoundaryScanner