org.activemath.omdocjdom.index.queries
Class PhraseAMIndexQuery

java.lang.Object
  org.activemath.omdocjdom.index.queries.AbstractAMIndexQuery
      org.activemath.omdocjdom.index.queries.PhraseAMIndexQuery

All Implemented Interfaces:

IndexConstants

Direct Known Subclasses:

OmobjAMIndexQuery

public class PhraseAMIndexQuery
extends AbstractAMIndexQuery

A query for an exact sequence of tokens.

Field Summary

Fields inherited from class org.activemath.omdocjdom.index.queries.AbstractAMIndexQuery

DEBUG, log

Fields inherited from interface org.activemath.omdocjdom.index.IndexConstants

FIELDNAME_id, FIELDNAME_metadata, FIELDNAME_type, LANG_ALL, LANG_UNIVERSAL, SUBFIELDNAME_field, SUBFIELDNAME_learningContext

Constructor Summary

PhraseAMIndexQuery(List languages, String text)

Method Summary

protected org.apache.lucene.analysis.Analyzer	createAnalyzer()
protected org.apache.lucene.search.Query	createQueryForVariation(String field, String lang) Creates a query for this field and language.
protected org.apache.lucene.analysis.TokenStream	createTokenStream(String field, String lang) Can be subclassed for more elaborate content than a plain string.
protected String	superToString()
String	toString()

Methods inherited from class org.activemath.omdocjdom.index.queries.AbstractAMIndexQuery

asLuceneQuery, feedVariationAlongLanguages

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

PhraseAMIndexQuery

public PhraseAMIndexQuery(List languages,
                          String text)

Method Detail

createAnalyzer

protected org.apache.lucene.analysis.Analyzer createAnalyzer()

createQueryForVariation

protected org.apache.lucene.search.Query createQueryForVariation(String field,
                                                                 String lang)

Description copied from class: AbstractAMIndexQuery

Creates a query for this field and language.

Specified by:

createQueryForVariation in class AbstractAMIndexQuery

Parameters:

field - the field name this should apply to

lang - the language (added to the field name if non-null)

Returns:

the query that will be composed with others with varying fields and languages

createTokenStream

protected org.apache.lucene.analysis.TokenStream createTokenStream(String field,
                                                                   String lang)

Can be subclassed for more elaborate content than a plain string.

Returns:

the normal token stream of the analyzer with field "text-" + field....

superToString

protected String superToString()

toString

public String toString()

Overrides:

toString in class AbstractAMIndexQuery