org.apache.lucene.analysis.payloads

Class DelimitedPayloadTokenFilter

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.analysis.payloads.DelimitedPayloadTokenFilter

All Implemented Interfaces:

Closeable, AutoCloseable

public final class DelimitedPayloadTokenFilter
extends TokenFilter

Characters before the delimiter are the "token", those after are the payload.

For example, if the delimiter is '|', then for the string "foo|bar", foo is the token and "bar" is a payload.

Note, you can also include a PayloadEncoder to convert the payload in an appropriate way (from characters to bytes).

Note make sure your Tokenizer doesn't split on the delimiter, or this won't work

See Also:

PayloadEncoder

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

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

input

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

DEFAULT_TOKEN_ATTRIBUTE_FACTORY

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

DEFAULT_ATTRIBUTE_FACTORY

Constructor Summary

Constructors

Constructor and Description
DelimitedPayloadTokenFilter(TokenStream input, char delimiter, PayloadEncoder encoder)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	incrementToken()

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

close, end, 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

Constructor Detail

DelimitedPayloadTokenFilter

public DelimitedPayloadTokenFilter(TokenStream input,
                           char delimiter,
                           PayloadEncoder encoder)

Method Detail

incrementToken

public boolean incrementToken()
                       throws IOException

Specified by:

incrementToken in class TokenStream

Throws:

IOException