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:

java.io.Closeable, java.lang.AutoCloseable

public class PathHierarchyTokenizer
extends org.apache.lucene.analysis.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

org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.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
PathHierarchyTokenizer(java.io.Reader input)
PathHierarchyTokenizer(java.io.Reader input, char delimiter, char replacement)
PathHierarchyTokenizer(java.io.Reader input, char delimiter, char replacement, int skip)
PathHierarchyTokenizer(java.io.Reader input, int skip)
PathHierarchyTokenizer(java.io.Reader input, int bufferSize, char delimiter)
PathHierarchyTokenizer(java.io.Reader input, 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, reset

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

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input)

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input,
                              int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input,
                              int bufferSize,
                              char delimiter)

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input,
                              char delimiter,
                              char replacement)

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input,
                              char delimiter,
                              char replacement,
                              int skip)

PathHierarchyTokenizer

public PathHierarchyTokenizer(java.io.Reader input,
                              int bufferSize,
                              char delimiter,
                              char replacement,
                              int skip)

Method Detail

incrementToken

public final boolean incrementToken()
                             throws java.io.IOException

Specified by:

incrementToken in class org.apache.lucene.analysis.TokenStream

Throws:

java.io.IOException

end

public final void end()

Overrides:

end in class org.apache.lucene.analysis.TokenStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class org.apache.lucene.analysis.TokenStream

Throws:

java.io.IOException