org.modeshape.search.lucene.query
Class HasValueQuery
java.lang.Object
org.apache.lucene.search.Query
org.modeshape.search.lucene.query.HasValueQuery
- All Implemented Interfaces:
- Serializable, Cloneable
public class HasValueQuery
- extends org.apache.lucene.search.Query
A Lucene Query
implementation that is satisfied if there is at least one value for a document.
- See Also:
- Serialized Form
Constructor Summary |
HasValueQuery(String fieldName)
Construct a Query implementation that scores nodes according to the supplied comparator. |
Methods inherited from class org.apache.lucene.search.Query |
combine, equals, extractTerms, getBoost, getSimilarity, hashCode, mergeBooleanQueries, rewrite, setBoost, toString, weight |
fieldName
protected final String fieldName
fieldSelector
protected final org.apache.lucene.document.FieldSelector fieldSelector
HasValueQuery
public HasValueQuery(String fieldName)
- Construct a
Query
implementation that scores nodes according to the supplied comparator.
- Parameters:
fieldName
- the name of the document field containing the value; may not be null
clone
public Object clone()
-
- Overrides:
clone
in class org.apache.lucene.search.Query
- See Also:
Query.clone()
createWeight
public org.apache.lucene.search.Weight createWeight(org.apache.lucene.search.Searcher searcher)
-
- Overrides:
createWeight
in class org.apache.lucene.search.Query
- See Also:
Query.createWeight(org.apache.lucene.search.Searcher)
toString
public String toString(String field)
-
- Specified by:
toString
in class org.apache.lucene.search.Query
- See Also:
Query.toString(java.lang.String)
hasValue
protected boolean hasValue(org.apache.lucene.index.IndexReader reader,
int docId)
throws IOException
- Throws:
IOException
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