Esempio n. 1
0
 /**
  * Skips to the first match (including the current) whose entity, tuple and cell numbers are
  * greater than or equal to the given targets. <br>
  * When this method is used the {@link #explain(int)} method should not be used. <br>
  * The implementation uses the skipTo() method on the subscorers.
  *
  * @param entityID The target entity number.
  * @param tupleID The target tuple number.
  * @param cellID The target cell number.
  * @return true iff there is such a match.
  */
 @Override
 public int advance(final int entityID, final int tupleID, final int cellID) throws IOException {
   if (scorerCellQueue == null) {
     this.initScorerCellQueue();
   }
   if (entityID < entity
       || (entityID == entity && tupleID <= tuple)
       || (entityID == entity && tupleID == tuple && cellID <= cell)) {
     return entity;
   }
   while (queueSize > 0) {
     if (scorerCellQueue.topEntity() > entityID
         || (scorerCellQueue.topEntity() == entityID
             && (scorerCellQueue.topTuple() != Integer.MAX_VALUE
                 && scorerCellQueue.topTuple() >= tupleID))
         || (scorerCellQueue.topEntity() == entityID
             && scorerCellQueue.topTuple() == tupleID
             && (scorerCellQueue.topCell() != Integer.MAX_VALUE
                 && scorerCellQueue.topCell() >= cellID))) {
       entity = scorerCellQueue.topEntity();
       this.nextPosition();
       return entity;
     } else if (!scorerCellQueue.topSkipToAndAdjustElsePop(entityID, tupleID, cellID)) {
       if (--queueSize == 0) {
         return NO_MORE_DOCS;
       }
     }
   }
   return NO_MORE_DOCS;
 }
Esempio n. 2
0
 /**
  * Skips to the first match (including the current) whose document number is greater than or equal
  * to a given target. <br>
  * When this method is used the {@link #explain(int)} method should not be used. <br>
  * The implementation uses the skipTo() method on the subscorers.
  *
  * @param entityID The target entity number.
  * @return true iff there is such a match.
  */
 @Override
 public int advance(final int entityID) throws IOException {
   if (scorerCellQueue == null) {
     this.initScorerCellQueue();
   }
   if (entityID <= entity) {
     return entity;
   }
   while (queueSize > 0) {
     if (scorerCellQueue.topEntity() >= entityID) {
       entity = scorerCellQueue.topEntity();
       this.nextPosition(); // advance to the first position [SRN-24]
       return entity;
     } else if (!scorerCellQueue.topSkipToAndAdjustElsePop(entityID)) {
       if (--queueSize == 0) {
         return NO_MORE_DOCS;
       }
     }
   }
   return NO_MORE_DOCS;
 }