PatternDescr patDescr = new PatternDescr( "java.math.BigDecimal",
"$bd" );
FieldConstraintDescr fcd = new FieldConstraintDescr( "this" );
LiteralRestrictionDescr restr = new LiteralRestrictionDescr( "==",
"10" );
fcd.addRestriction( restr );
patDescr.addConstraint( fcd );
andDescr.addDescr( patDescr );
ruleDescr.setLhs( andDescr );
ruleDescr.setConsequence( "" );
pkgDescr.addRule( ruleDescr );