pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.4.0 / lucene / src / java / org / apache / lucene / search / ReqOptSumScorer.java

diff --git a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/ReqOptSumScorer.java b/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/ReqOptSumScorer.java
deleted file mode 100644 (file)
index ad9a9c1..0000000
--- a/lucene-java-3.4.0/lucene/src/java/org/apache/lucene/search/ReqOptSumScorer.java
+++ /dev/null
@@ -1,84 +0,0 @@
-package org.apache.lucene.search;
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import java.io.IOException;
-
-/** A Scorer for queries with a required part and an optional part.
- * Delays skipTo() on the optional part until a score() is needed.
- * <br>
- * This <code>Scorer</code> implements {@link Scorer#skipTo(int)}.
- */
-class ReqOptSumScorer extends Scorer {
-  /** The scorers passed from the constructor.
-   * These are set to null as soon as their next() or skipTo() returns false.
-   */
-  private Scorer reqScorer;
-  private Scorer optScorer;
-
-  /** Construct a <code>ReqOptScorer</code>.
-   * @param reqScorer The required scorer. This must match.
-   * @param optScorer The optional scorer. This is used for scoring only.
-   */
-  public ReqOptSumScorer(
-      Scorer reqScorer,
-      Scorer optScorer)
-  {
-    super(reqScorer.weight);
-    this.reqScorer = reqScorer;
-    this.optScorer = optScorer;
-  }
-
-  @Override
-  public int nextDoc() throws IOException {
-    return reqScorer.nextDoc();
-  }
-  
-  @Override
-  public int advance(int target) throws IOException {
-    return reqScorer.advance(target);
-  }
-  
-  @Override
-  public int docID() {
-    return reqScorer.docID();
-  }
-  
-  /** Returns the score of the current document matching the query.
-   * Initially invalid, until {@link #nextDoc()} is called the first time.
-   * @return The score of the required scorer, eventually increased by the score
-   * of the optional scorer when it also matches the current document.
-   */
-  @Override
-  public float score() throws IOException {
-    int curDoc = reqScorer.docID();
-    float reqScore = reqScorer.score();
-    if (optScorer == null) {
-      return reqScore;
-    }
-    
-    int optScorerDoc = optScorer.docID();
-    if (optScorerDoc < curDoc && (optScorerDoc = optScorer.advance(curDoc)) == NO_MORE_DOCS) {
-      optScorer = null;
-      return reqScore;
-    }
-    
-    return optScorerDoc == curDoc ? reqScore + optScorer.score() : reqScore;
-  }
-
-}
-