Examples of it.unimi.dsi.mg4j.index.IndexReader.documents()

Class it.unimi.dsi.mg4j.index.IndexReader

Examples of it.unimi.dsi.mg4j.index.IndexReader.documents()

it.unimi.dsi.mg4j.index.IndexReader.documents()
Returns a document iterator over the documents containing a term.
Note that the index iterator returned by this method will return null on a call to {@link IndexIterator#term() term()}.
Note that it is always possible to call this method with argument 0, even if the underlying index does not provide random access. @param termNumber the number of a term. @throws UnsupportedOperationException if this index reader is not accessible by termnumber.

    
    for(int i = 0;i<firstIndex.numberOfTerms;i++){
      try{
        System.out.println("term: " + i);
        firstIterator = firstIndexReader.documents(i);        
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        
        /** Compare hasNext*/
        Assert.assertEquals(firstIterator.hasNext(), secondIterator.hasNext());
        
        /** Compare frequency*/

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    for(int i = 0;i<firstIndex.numberOfTerms;i++){
      try{
        System.out.println("term: " + i);
        firstIterator = firstIndexReader.documents(i);        
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        
        /** Compare hasNext*/
        Assert.assertEquals(firstIterator.hasNext(), secondIterator.hasNext());
        
        /** Compare frequency*/

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            Assert.assertTrue(firstPos[j] == secondPos[j]);        
        }


        /** Compare IntIterator from positions() method */
        firstIterator = firstIndexReader.documents(i);
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        while(firstIterator.hasNext()){
          firstIterator.next();
          secondIterator.next();
  
          IntIterator firstIntIt = firstIterator.positions();

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            Assert.assertTrue(firstPos[j] == secondPos[j]);        
        }


        /** Compare IntIterator from positions() method */
        firstIterator = firstIndexReader.documents(i);
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        while(firstIterator.hasNext()){
          firstIterator.next();
          secondIterator.next();
  
          IntIterator firstIntIt = firstIterator.positions();

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        }
        
        /** Compare IntervalIterator from Interval() method */
        firstIterator = firstIndexReader.documents(i);
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        while(firstIterator.hasNext()){
          firstIterator.next();
          secondIterator.next();  
          /** Compare position IntIterator*/
          IntervalIterator firstIntervalIt = firstIterator.intervalIterator(firstIndex);

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        }
        
        /** Compare IntervalIterator from Interval() method */
        firstIterator = firstIndexReader.documents(i);
        secondIterator = !textTerm?secondIndexReader.documents(i):secondIndexReader.documents(firstIndex.termMap.list().get(i));        
        while(firstIterator.hasNext()){
          firstIterator.next();
          secondIterator.next();  
          /** Compare position IntIterator*/
          IntervalIterator firstIntervalIt = firstIterator.intervalIterator(firstIndex);

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              // TODO: in case we have positions, we should check them, too
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t ), s0 );
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( u ) ) : indexReader[ i ].documents( u ), s1 );
              s0.retainAll( s1 );
              indexIterator =  termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t );
              additionalIterator = termLists ? additionalReader.documents( terms[ i ].get( u ) ) : additionalReader.documents( u );
              it = s0.iterator();
              documentIterator = AndDocumentIterator.getInstance( indexIterator, additionalIterator );
              for( int j = s0.size(); j-- != 0; ) if ( it.nextInt() != documentIterator.nextDocument() ) throw new AssertionError();
              if ( documentIterator.hasNext() ) throw new AssertionError();

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              // TODO: in case we have positions, we should check them, too
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t ), s0 );
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( u ) ) : indexReader[ i ].documents( u ), s1 );
              s0.retainAll( s1 );
              indexIterator =  termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t );
              additionalIterator = termLists ? additionalReader.documents( terms[ i ].get( u ) ) : additionalReader.documents( u );
              it = s0.iterator();
              documentIterator = AndDocumentIterator.getInstance( indexIterator, additionalIterator );
              for( int j = s0.size(); j-- != 0; ) if ( it.nextInt() != documentIterator.nextDocument() ) throw new AssertionError();
              if ( documentIterator.hasNext() ) throw new AssertionError();

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              s2.clear();
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t ), s2 );
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( u ) ) : indexReader[ i ].documents( u ), s2 );


              indexIterator =  termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t );
              additionalIterator = termLists ? additionalReader.documents( terms[ i ].get( u ) ) : additionalReader.documents( u );


              it = s2.iterator();
              documentIterator = OrDocumentIterator.getInstance( indexIterator, additionalIterator ); 
              for( int j = s2.size(); j-- != 0; ) if ( it.nextInt() != documentIterator.nextDocument() ) throw new AssertionError();
              if ( documentIterator.hasNext() ) throw new AssertionError();

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              s2.clear();
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t ), s2 );
              IntIterators.pour( termLists ? indexReader[ i ].documents( terms[ i ].get( u ) ) : indexReader[ i ].documents( u ), s2 );


              indexIterator =  termLists ? indexReader[ i ].documents( terms[ i ].get( t ) ) : indexReader[ i ].documents( t );
              additionalIterator = termLists ? additionalReader.documents( terms[ i ].get( u ) ) : additionalReader.documents( u );


              it = s2.iterator();
              documentIterator = OrDocumentIterator.getInstance( indexIterator, additionalIterator ); 
              for( int j = s2.size(); j-- != 0; ) if ( it.nextInt() != documentIterator.nextDocument() ) throw new AssertionError();
              if ( documentIterator.hasNext() ) throw new AssertionError();

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