C# Weight.GetValue方法代码示例

			internal MatchAllScorer(MatchAllDocsQuery enclosingInstance, IndexReader reader, Similarity similarity, Weight w, byte[] norms):base(similarity)
			{
				InitBlock(enclosingInstance);
				this.termDocs = reader.TermDocs(null);
				score = w.GetValue();
				this.norms = norms;
			}

		private float freq; //prhase frequency in current doc as computed by phraseFreq().
		
		internal PhraseScorer(Weight weight, TermPositions[] tps, int[] offsets, Similarity similarity, byte[] norms):base(similarity)
		{
			this.norms = norms;
			this.weight = weight;
			this.value_Renamed = weight.GetValue();
			
			// convert tps to a list of phrase positions.
			// note: phrase-position differs from term-position in that its position
			// reflects the phrase offset: pp.pos = tp.pos - offset.
			// this allows to easily identify a matching (exact) phrase 
			// when all PhrasePositions have exactly the same position.
			for (int i = 0; i < tps.Length; i++)
			{
				PhrasePositions pp = new PhrasePositions(tps[i], offsets[i]);
				if (last != null)
				{
					// add next to end of list
					last.next = pp;
				}
				else
				{
					first = pp;
				}
				last = pp;
			}
			
			pq = new PhraseQueue(tps.Length); // construct empty pq
			first.doc = - 1;
		}

			internal MatchAllScorer(MatchAllDocsQuery enclosingInstance, IndexReader reader, Similarity similarity, Weight w):base(similarity)
			{
				InitBlock(enclosingInstance);
				this.reader = reader;
				id = - 1;
				maxId = reader.MaxDoc() - 1;
				score = w.GetValue();
			}

		/// <summary> Construct a <code>TermScorer</code>.
		/// 
		/// </summary>
		/// <param name="weight">The weight of the <code>Term</code> in the query.
		/// </param>
		/// <param name="td">An iterator over the documents matching the <code>Term</code>.
		/// </param>
		/// <param name="similarity">The <code>Similarity</code> implementation to be used for score
		/// computations.
		/// </param>
		/// <param name="norms">The field norms of the document fields for the <code>Term</code>.
		/// </param>
		public /*internal*/ TermScorer(Weight weight, TermDocs td, Similarity similarity, byte[] norms):base(similarity)
		{
			this.weight = weight;
			this.termDocs = td;
			this.norms = norms;
			this.weightValue = weight.GetValue();
			
			for (int i = 0; i < SCORE_CACHE_SIZE; i++)
				scoreCache[i] = GetSimilarity().Tf(i) * weightValue;
		}

		internal PhraseScorer(Weight weight, TermPositions[] tps, int[] positions, Similarity similarity, byte[] norms) : base(similarity)
		{
			this.norms = norms;
			this.weight = weight;
			this.value_Renamed = weight.GetValue();
			
			// convert tps to a list
			for (int i = 0; i < tps.Length; i++)
			{
				PhrasePositions pp = new PhrasePositions(tps[i], positions[i]);
				if (last != null)
				{
					// add next to end of list
					last.next = pp;
				}
				else
					first = pp;
				last = pp;
			}
			
			pq = new PhraseQueue(tps.Length); // construct empty pq
		}

			public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w):base(similarity)
			{
				InitBlock(enclosingInstance);
				theScore = w.GetValue();
				DocIdSet docIdSet = Enclosing_Instance.filter.GetDocIdSet(reader);
				if (docIdSet == null)
				{
					docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator();
				}
				else
				{
					DocIdSetIterator iter = docIdSet.Iterator();
					if (iter == null)
					{
						docIdSetIterator = DocIdSet.EMPTY_DOCIDSET.Iterator();
					}
					else
					{
						docIdSetIterator = iter;
					}
				}
			}

 public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w)
     : base(similarity)
 {
     InitBlock(enclosingInstance);
     theScore = w.GetValue();
     bits = Enclosing_Instance.filter.Bits(reader);
 }

 public ConstantScorer(ConstantScoreQuery enclosingInstance, Similarity similarity, IndexReader reader, Weight w)
     : base(similarity)
 {
     InitBlock(enclosingInstance);
     theScore = w.GetValue();
     docIdSetIterator = Enclosing_Instance.filter.GetDocIdSet(reader).Iterator();
 }