Examples of PwaDateCache

org.apache.lucene.search.caches.PwaDateCache
Cache documents' timestamps @author Miguel Costa

Examples of org.apache.lucene.search.caches.PwaDateCache

      funct+=5;
    }                
    
    // temporal features - local timestamps
    if (functions.hasFunction(funct) || functions.hasFunction(funct+1) || functions.hasFunction(funct+2)) {
      PwaDateCache cache=new PwaDateCache(null); // already initialized
      long timestamp=cache.getTimestamp(doc);
      //long minTimestamp=cache.getMinTimestamp();
      //long maxTimestamp=cache.getMaxTimestamp();                      
      
      if (functions.hasFunction(funct)) {    
        scores.addScore(funct, ((float)queryTimestamp) / PwaIRankingFunction.DAY_MILLISEC); // Query issue time in days
      }
      funct++;      
      if (functions.hasFunction(funct)) {
        scores.addScore(funct, (new PwaAge(timestamp,queryTimestamp)).score()); // Age in days from query issue time
      }
      funct++;        
      if (functions.hasFunction(funct)) {    
        scores.addScore(funct, ((float)timestamp) / PwaIRankingFunction.DAY_MILLISEC); // Version's timestamp in days
      }
      funct++;      
    }
    else {
      funct+=3;
    }
    
    // temporal features - global timestamps
    boolean temporalGlobalUsed=false;
    for (int i=funct; !temporalGlobalUsed && i<funct+9; i++) {
      if (functions.hasFunction(i)) {
        temporalGlobalUsed=true;
      }
    }    
    if (temporalGlobalUsed) {                  
      PwaDateCache cache=new PwaDateCache(null); // already initialized
      long timestamp=cache.getTimestamp(doc);
      
      int nVersionsURL;        
      long minTimestampURL;
      long maxTimestampURL;            
      UrlRow row=null;

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Examples of org.apache.lucene.search.caches.PwaDateCache

      joiner.collectFeatures(doc(),collector);    
      PwaScores scores=PwaScorerFeatures.score(doc(),queryTimestamp,collector,joiner.getPositionsManager(),searcher,functions);
      return (new PwaLinearRankingModel()).score(functions, scores); // TODO parameterize the ranking model in the future
    }
    else if (scoreType==ScoreType.DATE_SORTED || scoreType==ScoreType.DATE_SORTED_REVERSE) { // results are sorted in TopDocCollector
      PwaDateCache sortCache=new PwaDateCache(reader);
      return sortCache.getTimestamp(doc());      
    }
    else { // flat ranking
      return 1;
    }
  }

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Examples of org.apache.lucene.search.caches.PwaDateCache

   * @param minTimestamp the minimum timestamp      
   * @param maxTimestamp the maximum timestamp    
   */  
  public PwaDateRangeFilter(PwaSearchableCommon searchable, IndexReader reader, String minTimestamp, String maxTimestamp) throws IOException {
    super(searchable);
    this.cache = new PwaDateCache(reader);
    this.minTimestamp = Long.parseLong(minTimestamp)*1000;          
    this.maxTimestamp = Long.parseLong(maxTimestamp)*1000;
  }

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Examples of org.apache.lucene.search.caches.PwaDateCache

   * @param timestamp timestamp      
   * @param reader index reader
   */  
  public PwaDateClosestFilter(PwaSearchableCommon searchable, IndexReader reader, String timestamp) throws IOException {
    super(searchable);
    this.cache = new PwaDateCache(reader);
    this.timestamp = Long.parseLong(timestamp);          
    this.docClosest = -1;
  }

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