How to use

cascading.tuple.hadoop.util.TupleElementStreamComparator

constructor

private Comparator<Object> getComparator( Object lhs, Object rhs )
 {
 Class type = lhs != null ? lhs.getClass() : null;
 type = type == null && rhs != null ? rhs.getClass() : type;
 Comparator comparator = tupleSerialization.getComparator( type );
 if( comparator instanceof StreamComparator )
  return new TupleElementStreamComparator( (StreamComparator) comparator );
 return new TupleElementComparator( comparator );
 }

private Comparator<Object> getComparator( Object lhs, Object rhs )
 {
 Class type = lhs != null ? lhs.getClass() : null;
 type = type == null && rhs != null ? rhs.getClass() : type;
 Comparator comparator = tupleSerialization.getComparator( type );
 if( comparator instanceof StreamComparator )
  return new TupleElementStreamComparator( (StreamComparator) comparator );
 return new TupleElementComparator( comparator );
 }

 comparators[ i ] = new TupleElementStreamComparator( (StreamComparator) fieldComparators[ i ] );
else if( fieldComparators[ i ] != null )
 comparators[ i ] = new TupleElementComparator( fieldComparators[ i ] );

 comparators[ i ] = new TupleElementStreamComparator( (StreamComparator) fieldComparators[ i ] );
else if( fieldComparators[ i ] != null )
 comparators[ i ] = new TupleElementComparator( fieldComparators[ i ] );

private StreamComparator getComparator( TupleInputStream lhsStream )
 {
 try
  {
  lhsStream.mark( 4 * 1024 );
  Comparator foundComparator = lhsStream.getComparatorFor( lhsStream.readToken() );
  // grab the configured default comparator, its ok if its null, just wasn't configured externally
  if( foundComparator == null )
   foundComparator = tupleSerialization.getDefaultComparator();
  if( foundComparator instanceof StreamComparator )
   return new TupleElementStreamComparator( (StreamComparator) foundComparator );
  else
   return new TupleElementComparator( foundComparator );
  }
 catch( IOException exception )
  {
  throw new CascadingException( exception );
  }
 finally
  {
  try
   {
   lhsStream.reset();
   }
  catch( IOException exception )
   {
   throw new CascadingException( exception );
   }
  }
 }

private StreamComparator getComparator( TupleInputStream lhsStream )
 {
 try
  {
  lhsStream.mark( 4 * 1024 );
  Comparator foundComparator = lhsStream.getComparatorFor( lhsStream.readToken() );
  // grab the configured default comparator, its ok if its null, just wasn't configured externally
  if( foundComparator == null )
   foundComparator = tupleSerialization.getDefaultComparator();
  if( foundComparator instanceof StreamComparator )
   return new TupleElementStreamComparator( (StreamComparator) foundComparator );
  else
   return new TupleElementComparator( foundComparator );
  }
 catch( IOException exception )
  {
  throw new CascadingException( exception );
  }
 finally
  {
  try
   {
   lhsStream.reset();
   }
  catch( IOException exception )
   {
   throw new CascadingException( exception );
   }
  }
 }