private ComputationModel buildNewModel() throws CompilerException
{
assert null == this.computationModel;
final SectionBinding rootDef = this.binding.getRoot();
final Environment env = this.binding.getEnvironment();
this.computationModel = new ComputationModel( rootDef.getInputClass(), rootDef.getOutputClass(), getComputationMode(), env );
new SectionModelCompiler( this, null, rootDef, this.computationModel.getRoot() );
buildModel();