org.apache.lucene.search.regex
Class SpanRegexQuery
- Cloneable, org.apache.lucene.search.regex.RegexQueryCapable, Serializable
public class SpanRegexQuery
implements org.apache.lucene.search.regex.RegexQueryCapable
A SpanQuery version of
RegexQuery
allowing regular expression
queries to be nested within other SpanQuery subclasses.
clone , combine , createWeight , extractTerms , getBoost , getSimilarity , mergeBooleanQueries , rewrite , setBoost , toString , toString , weight |
SpanRegexQuery
public SpanRegexQuery(Term term)
equals
public boolean equals(Object o)
getField
public String getField()
Returns the name of the field matched by this query.
- getField in interface SpanQuery
getRegexImplementation
public org.apache.lucene.search.regex.RegexCapabilities getRegexImplementation()
- getRegexImplementation in interface org.apache.lucene.search.regex.RegexQueryCapable
getSpans
public Spans getSpans(IndexReader reader)
throws IOException
Expert: Returns the matches for this query in an index. Used internally
to search for spans.
- getSpans in interface SpanQuery
getTerm
public Term getTerm()
getTerms
public Collection getTerms()
Returns a collection of all terms matched by this query.
- getTerms in interface SpanQuery
hashCode
public int hashCode()
rewrite
public Query rewrite(IndexReader reader)
throws IOException
Expert: called to re-write queries into primitive queries. For example,
a PrefixQuery will be rewritten into a BooleanQuery that consists
of TermQuerys.
- rewrite in interface Query
setRegexImplementation
public void setRegexImplementation(org.apache.lucene.search.regex.RegexCapabilities impl)
- setRegexImplementation in interface org.apache.lucene.search.regex.RegexQueryCapable
toString
public String toString(String field)
Prints a query to a string, with
field
as the default field
for terms.
The representation used is one that is supposed to be readable
by
QueryParser
. However,
there are the following limitations:
- If the query was created by the parser, the printed
representation may not be exactly what was parsed. For example,
characters that need to be escaped will be represented without
the required backslash.
- Some of the more complicated queries (e.g. span queries)
don't have a representation that can be parsed by QueryParser.
- toString in interface Query
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