org.apache.lucene.search
Class ConstantScoreQuery.ConstantWeight

java.lang.Object
  org.apache.lucene.search.ConstantScoreQuery.ConstantWeight

All Implemented Interfaces:

Serializable, Weight

Enclosing class:

ConstantScoreQuery

protected class ConstantScoreQuery.ConstantWeight
extends Object
implements Weight

See Also:

Serialized Form

Constructor Summary

ConstantScoreQuery.ConstantWeight(Searcher searcher)

Method Summary

Explanation	explain(IndexReader reader, int doc) An explanation of the score computation for the named document.
Query	getQuery() The query that this concerns.
float	getValue() The weight for this query.
void	normalize(float norm) Assigns the query normalization factor to this.
Scorer	scorer(IndexReader reader) Constructs a scorer for this.
float	sumOfSquaredWeights() The sum of squared weights of contained query clauses.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantScoreQuery.ConstantWeight

public ConstantScoreQuery.ConstantWeight(Searcher searcher)

Method Detail

getQuery

public Query getQuery()

Description copied from interface: Weight

The query that this concerns.

Specified by:

getQuery in interface Weight

getValue

public float getValue()

Description copied from interface: Weight

The weight for this query.

Specified by:

getValue in interface Weight

sumOfSquaredWeights

public float sumOfSquaredWeights()
                          throws IOException

Description copied from interface: Weight

The sum of squared weights of contained query clauses.

Specified by:

sumOfSquaredWeights in interface Weight

Throws:

IOException

normalize

public void normalize(float norm)

Description copied from interface: Weight

Assigns the query normalization factor to this.

Specified by:

normalize in interface Weight

scorer

public Scorer scorer(IndexReader reader)
              throws IOException

Description copied from interface: Weight

Constructs a scorer for this.

Specified by:

scorer in interface Weight

Throws:

IOException

explain

public Explanation explain(IndexReader reader,
                           int doc)
                    throws IOException

Description copied from interface: Weight

An explanation of the score computation for the named document.

Specified by:

explain in interface Weight

Throws:

IOException