org.apache.lucene.analysis.path

Class PathHierarchyTokenizer

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.Tokenizer

org.apache.lucene.analysis.path.PathHierarchyTokenizer

All Implemented Interfaces:

Closeable, AutoCloseable

public class PathHierarchyTokenizer
extends Tokenizer

Tokenizer for path-like hierarchies.

Take something like:

  /something/something/else
 

and make:

  /something
  /something/something
  /something/something/else
 

Nested Class Summary

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

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

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

DEFAULT_TOKEN_ATTRIBUTE_FACTORY

Constructor Summary

Constructors

Constructor and Description
PathHierarchyTokenizer()
PathHierarchyTokenizer(AttributeFactory factory, char delimiter, char replacement, int skip)
PathHierarchyTokenizer(AttributeFactory factory, int bufferSize, char delimiter, char replacement, int skip)
PathHierarchyTokenizer(char delimiter, char replacement)
PathHierarchyTokenizer(char delimiter, char replacement, int skip)
PathHierarchyTokenizer(int skip)
PathHierarchyTokenizer(int bufferSize, char delimiter)
PathHierarchyTokenizer(int bufferSize, char delimiter, char replacement, int skip)

Method Summary

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, endAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, removeAllAttributes, 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

PathHierarchyTokenizer

public PathHierarchyTokenizer()

PathHierarchyTokenizer

public PathHierarchyTokenizer(int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(int bufferSize,
                              char delimiter)

PathHierarchyTokenizer

public PathHierarchyTokenizer(char delimiter,
                              char replacement)

PathHierarchyTokenizer

public PathHierarchyTokenizer(char delimiter,
                              char replacement,
                              int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(AttributeFactory factory,
                              char delimiter,
                              char replacement,
                              int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(int bufferSize,
                              char delimiter,
                              char replacement,
                              int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(AttributeFactory factory,
                              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