content: package org.apache.lucene.search;
  /**
   * Copyright 2005 The Apache Software Foundation
   *
   * Licensed 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.util.ArrayList;
  
  import java.util.List;
  
  
  /**
   *  The results of a SpanQueryFilter.  Wraps the BitSet and the position information from the SpanQuery
   *
   * @lucene.experimental 
   *
   **/
  public class SpanFilterResult {
    private DocIdSet docIdSet;
    private List<PositionInfo> positions;//Spans spans;
    
    /**
    *
    * @param docIdSet The DocIdSet for the Filter
    * @param positions A List of {@link org.apache.lucene.search.SpanFilterResult.PositionInfo} objects
    */
    public SpanFilterResult(DocIdSet docIdSet, List<PositionInfo> positions) {
      this.docIdSet = docIdSet;
      this.positions = positions;
    }
    
    /**
     * The first entry in the array corresponds to the first "on" bit.
     * Entries are increasing by document order
     * @return A List of PositionInfo objects
     */
    public List<PositionInfo> getPositions() {
      return positions;
    }
  
    /** Returns the docIdSet */
    public DocIdSet getDocIdSet() {
      return docIdSet;
    }
  
    public static class PositionInfo {
      private int doc;
      private List<StartEnd> positions;
  
  
      public PositionInfo(int doc) {
        this.doc = doc;
        positions = new ArrayList<StartEnd>();
      }
  
      public void addPosition(int start, int end)
      {
        positions.add(new StartEnd(start, end));
      }
  
      public int getDoc() {
        return doc;
      }
  
      /**
       *
       * @return Positions
       */
      public List<StartEnd> getPositions() {
        return positions;
      }
    }
  
    public static class StartEnd
    {
      private int start;
      private int end;
  
  
      public StartEnd(int start, int end) {
        this.start = start;
        this.end = end;
      }
  
      /**
       *
       * @return The end position of this match
       */
      public int getEnd() {
        return end;
      }
  
      /**
       * The Start position
       * @return The start position of this match
       */
      public int getStart() {
        return start;
      }
  
    }
  }
  
  
  
  