Package org.apache.lucene.search.suggest.document

Class CompletionTokenStream

java.lang.Object

org.apache.lucene.util.AttributeSource

org.apache.lucene.analysis.TokenStream

org.apache.lucene.analysis.TokenFilter

org.apache.lucene.search.suggest.document.CompletionTokenStream

All Implemented Interfaces:

Closeable, AutoCloseable, Unwrappable<TokenStream>

public final class CompletionTokenStream
extends TokenFilter

A ConcatenateGraphFilter but we can set the payload and provide access to config options.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

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

AttributeSource.State

Field Summary

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

input

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

DEFAULT_TOKEN_ATTRIBUTE_FACTORY

Method Summary

Modifier and Type	Method	Description
boolean	incrementToken()
void	setPayload(BytesRef payload)	Sets a payload available throughout successive token stream enumeration
Automaton	toAutomaton()	Delegates to...At
Automaton	toAutomaton(boolean unicodeAware)	Delegates to...

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

close, end, reset, unwrap

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

Method Details

setPayload

public void setPayload(BytesRef payload)

Sets a payload available throughout successive token stream enumeration

incrementToken

public boolean incrementToken()
                       throws IOException

Specified by:

incrementToken in class TokenStream

Throws:

IOException

toAutomaton

public Automaton toAutomaton()
                      throws IOException

Delegates to...At

Throws:

IOException

See Also:

• ConcatenateGraphFilter.toAutomaton()

toAutomaton

public Automaton toAutomaton(boolean unicodeAware)
                      throws IOException

Delegates to...

Throws:

IOException

See Also:

• ConcatenateGraphFilter.toAutomaton(boolean)