org.apache.lucene.analysis.path

Class ReversePathHierarchyTokenizer

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.Tokenizer

org.apache.lucene.analysis.path.ReversePathHierarchyTokenizer

All Implemented Interfaces:

Closeable

public class ReversePathHierarchyTokenizer
extends Tokenizer

Tokenizer for domain-like hierarchies.

Take something like:

 www.site.co.uk
 

and make:

 www.site.co.uk
 site.co.uk
 co.uk
 uk
 

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource

AttributeSource.AttributeFactory, AttributeSource.State

Field Summary

Fields

Modifier and Type	Field and Description
static char	DEFAULT_DELIMITER
static int	DEFAULT_SKIP

Fields inherited from class org.apache.lucene.analysis.Tokenizer

input

Constructor Summary

Constructors

Constructor and Description
ReversePathHierarchyTokenizer(AttributeSource.AttributeFactory factory, Reader input, char delimiter, char replacement, int skip)
ReversePathHierarchyTokenizer(AttributeSource.AttributeFactory factory, Reader input, int bufferSize, char delimiter, char replacement, int skip)
ReversePathHierarchyTokenizer(Reader input)
ReversePathHierarchyTokenizer(Reader input, char delimiter, char replacement)
ReversePathHierarchyTokenizer(Reader input, char delimiter, char replacement, int skip)
ReversePathHierarchyTokenizer(Reader input, char delimiter, int skip)
ReversePathHierarchyTokenizer(Reader input, int skip)
ReversePathHierarchyTokenizer(Reader input, int bufferSize, char delimiter)
ReversePathHierarchyTokenizer(Reader input, int bufferSize, char delimiter, char replacement)
ReversePathHierarchyTokenizer(Reader input, int bufferSize, char delimiter, char replacement, int skip)

Method Summary

Methods

Modifier and Type	Method and Description
void	end()
boolean	incrementToken()
void	reset()

Methods inherited from class org.apache.lucene.analysis.Tokenizer

close, correctOffset, setReader

Methods inherited from class org.apache.lucene.util.AttributeSource

addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

DEFAULT_DELIMITER

public static final char DEFAULT_DELIMITER

See Also:

Constant Field Values

DEFAULT_SKIP

public static final int DEFAULT_SKIP

See Also:

Constant Field Values

Constructor Detail

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             int skip)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             int bufferSize,
                             char delimiter)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             char delimiter,
                             char replacement)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             int bufferSize,
                             char delimiter,
                             char replacement)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             char delimiter,
                             int skip)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             char delimiter,
                             char replacement,
                             int skip)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(AttributeSource.AttributeFactory factory,
                             Reader input,
                             char delimiter,
                             char replacement,
                             int skip)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(Reader input,
                             int bufferSize,
                             char delimiter,
                             char replacement,
                             int skip)

ReversePathHierarchyTokenizer

public ReversePathHierarchyTokenizer(AttributeSource.AttributeFactory factory,
                             Reader input,
                             int bufferSize,
                             char delimiter,
                             char replacement,
                             int skip)

Method Detail

incrementToken

public final boolean incrementToken()
                             throws IOException

Specified by:

incrementToken in class TokenStream

Throws:

IOException

end

public final void end()
               throws IOException

Overrides:

end in class TokenStream

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class Tokenizer

Throws:

IOException