/*(non-Javadoc) <see cref="Lucene.Net.Search.Query.rewrite(Lucene.Net.Index.IndexReader) */
public override Query Rewrite(IndexReader reader)
{
CustomScoreQuery clone = null;
Query sq = subQuery.Rewrite(reader);
if (sq != subQuery)
{
clone = (CustomScoreQuery)Clone();
clone.subQuery = sq;
}
for (int i = 0; i < valSrcQueries.Length; i++)
{
ValueSourceQuery v = (ValueSourceQuery)valSrcQueries[i].Rewrite(reader);
if (v != valSrcQueries[i])
{
if (clone == null)
{
clone = (CustomScoreQuery)Clone();
}
clone.valSrcQueries[i] = v;
}
}
return((clone == null) ? this : clone);
}
/// <summary>Returns true if <c>o</c> is equal to this. </summary>
public override bool Equals(System.Object o)
{
if (GetType() != o.GetType())
{
return(false);
}
ValueSourceQuery other = (ValueSourceQuery)o;
return(this.Boost == other.Boost && this.valSrc.Equals(other.valSrc));
}
// constructor
internal ValueSourceScorer(ValueSourceQuery enclosingInstance, Similarity similarity, IndexReader reader, ValueSourceWeight w)
: base(similarity)
{
InitBlock(enclosingInstance);
this.weight = w;
this.qWeight = w.Value;
// this is when/where the values are first created.
vals = Enclosing_Instance.valSrc.GetValues(reader);
termDocs = reader.TermDocs(null);
}
public ValueSourceWeight(ValueSourceQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.similarity = Enclosing_Instance.GetSimilarity(searcher);
}
private void InitBlock(ValueSourceQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}
// constructor
internal ValueSourceScorer(ValueSourceQuery enclosingInstance, Similarity similarity, IndexReader reader, ValueSourceWeight w)
: base(similarity)
{
InitBlock(enclosingInstance);
this.weight = w;
this.qWeight = w.Value;
// this is when/where the values are first created.
vals = Enclosing_Instance.valSrc.GetValues(reader);
termDocs = reader.TermDocs(null);
}
/// <summary> Create a CustomScoreQuery over input subQuery and a <see cref="ValueSourceQuery" />.</summary>
/// <param name="subQuery">the sub query whose score is being customed. Must not be null.
/// </param>
/// <param name="valSrcQuery">a value source query whose scores are used in the custom score
/// computation. For most simple/convineient use case this would be a
/// <see cref="Lucene.Net.Search.Function.FieldScoreQuery">FieldScoreQuery</see>.
/// This parameter is optional - it can be null or even an empty array.
/// </param>
public CustomScoreQuery(Query subQuery, ValueSourceQuery valSrcQuery) : this(subQuery, valSrcQuery != null?new ValueSourceQuery[] { valSrcQuery }:new ValueSourceQuery[0])
{
}
/// <summary> Create a CustomScoreQuery over input subQuery and a <see cref="ValueSourceQuery" />.</summary>
/// <param name="subQuery">the sub query whose score is being customed. Must not be null.
/// </param>
/// <param name="valSrcQuery">a value source query whose scores are used in the custom score
/// computation. For most simple/convineient use case this would be a
/// <see cref="Lucene.Net.Search.Function.FieldScoreQuery">FieldScoreQuery</see>.
/// This parameter is optional - it can be null or even an empty array.
/// </param>
public CustomScoreQuery(Query subQuery, ValueSourceQuery valSrcQuery):this(subQuery, valSrcQuery != null?new ValueSourceQuery[]{valSrcQuery}:new ValueSourceQuery[0])
{
}
public ValueSourceWeight(ValueSourceQuery enclosingInstance, Searcher searcher)
{
InitBlock(enclosingInstance);
this.similarity = Enclosing_Instance.GetSimilarity(searcher);
}
private void InitBlock(ValueSourceQuery enclosingInstance)
{
this.enclosingInstance = enclosingInstance;
}