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

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.AttributeFactory, AttributeSource.State

Field Summary

static char	DEFAULT_DELIMITER
static int	DEFAULT_SKIP

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

input

Constructor Summary

PathHierarchyTokenizer(Reader input)

PathHierarchyTokenizer(Reader input, char delimiter, char replacement)

PathHierarchyTokenizer(Reader input, char delimiter, char replacement, int skip)

PathHierarchyTokenizer(Reader input, int skip)

PathHierarchyTokenizer(Reader input, int bufferSize, char delimiter)

PathHierarchyTokenizer(Reader input, int bufferSize, char delimiter, char replacement, int skip)

Method Summary

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

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, 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(Reader input)

PathHierarchyTokenizer

public PathHierarchyTokenizer(Reader input,
                              int skip)

PathHierarchyTokenizer

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

PathHierarchyTokenizer

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

PathHierarchyTokenizer

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

PathHierarchyTokenizer

public PathHierarchyTokenizer(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()

Overrides:

end in class TokenStream

reset

public void reset()
           throws IOException

Overrides:

reset in class TokenStream

Throws:

IOException