Method checkInvariant

plugins/e57/libE57Format/src/CompressedVectorWriter.cpp:42–84

Put this function first so we can reference the code in doxygen using @skip ! @brief Check whether CompressedVectorWriter class invariant is true @copydetails CompressedVectorReader::checkInvariant */

@copydetails CompressedVectorReader::checkInvariant
*/
void CompressedVectorWriter::checkInvariant( bool /*doRecurse*/ )
{
   // If this CompressedVectorWriter is not open, can't test invariant (almost
   // every call would throw)
   if ( !isOpen() )
   {
      return;
   }

   CompressedVectorNode cv = compressedVectorNode();
   ImageFile imf = cv.destImageFile();

   // If destImageFile not open, can't test invariant (almost every call would
   // throw)
   if ( !imf.isOpen() )
   {
      return;
   }

   // Associated CompressedVectorNode must be attached to ImageFile
   if ( !cv.isAttached() )
   {
      throw E57_EXCEPTION1( ErrorInvarianceViolation );
   }

   // Dest ImageFile must be writable
   if ( !imf.isWritable() )
   {
      throw E57_EXCEPTION1( ErrorInvarianceViolation );
   }

   // Dest ImageFile must have exactly 1 writer (this one)
   if ( imf.writerCount() != 1 )
   {
      throw E57_EXCEPTION1( ErrorInvarianceViolation );
   }

   // Dest ImageFile can't have any readers
   if ( imf.readerCount() != 0 )
   {
      throw E57_EXCEPTION1( ErrorInvarianceViolation );
   }
}

/*!
@class e57::CompressedVectorWriter