Examples of org.terrier.structures.indexing.singlepass.RunsMerger$PostingComparator

Package org.terrier.structures.indexing.singlepass

Examples of org.terrier.structures.indexing.singlepass.RunsMerger$PostingComparator

org.terrier.structures.indexing.singlepass.RunsMerger
Implements a comparator for RunIterators (so it can be used by the queue). It decides the next reader by the lexicographical order of the terms in the top elements of the readers. @author Roi Blanco and Craig Macdonald

  /**
   * Hook method that creates a FieldRunMerger instance
   * @throws IOException if an I/O error occurs.
   */
  protected void createFieldRunMerger(String[][] files) throws Exception{
    merger = new RunsMerger(new FileRunIteratorFactory(files, FieldPostingInRun.class, super.numFields));
  }

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  /**
   * Hook method that creates a RunsMerger instance
   * @throws IOException if an I/O error occurs.
   */
  protected void createRunMerger(String[][] files) throws Exception{
    merger = new RunsMerger(new FileRunIteratorFactory(files, 
        useFieldInformation ? FieldPostingInRun.class : SimplePostingInRun.class, 0));
  }

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  /** {@inheritDoc} */
  @Override
  protected void createRunMerger(String[][] files) throws Exception{
    //modified to use getPostingInRunClass()
    merger = new RunsMerger(new FileRunIteratorFactory(files, getPostingInRunClass(), 0));
  }

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    basicInvertedIndexPostingIteratorClass = BlockIterablePosting.class.getName();
    fieldInvertedIndexPostingIteratorClass = BlockFieldIterablePosting.class.getName();
  }
  
  protected void createFieldRunMerger(String[][] files) throws IOException{
    merger = new RunsMerger(new FileRunIteratorFactory(files, BlockFieldPostingInRun.class, super.numFields));
  }

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  protected void createFieldRunMerger(String[][] files) throws IOException{
    merger = new RunsMerger(new FileRunIteratorFactory(files, BlockFieldPostingInRun.class, super.numFields));
  }
  
  protected void createRunMerger(String[][] files) throws Exception{
    merger = new RunsMerger(new FileRunIteratorFactory(files, BlockPostingInRun.class, 0));
  }

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Related Classes of org.terrier.structures.indexing.singlepass.RunsMerger$PostingComparator

org.terrier.compression.BitOutputStream

org.terrier.indexing.BasicSinglePassIndexer

org.terrier.indexing.BlockSinglePassIndexer

org.terrier.indexing.ExtensibleSinglePassIndexer

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