// process pattern
InternalKnowledgePackage pkg = pkgRegistry.getPackage();
DialectCompiletimeRegistry ctr = pkgRegistry.getDialectCompiletimeRegistry();
RuleDescr dummy = new RuleDescr(wd.getName() + " Window Declaration");
dummy.addAttribute(new AttributeDescr("dialect", "java"));
RuleBuildContext context = new RuleBuildContext(this,
dummy,
ctr,
pkg,
ctr.getDialect(pkgRegistry.getDialect()));
final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder(wd.getPattern().getClass());
if (builder != null) {
final Pattern pattern = (Pattern) builder.build(context,
wd.getPattern(),
null);
window.setPattern(pattern);
} else {
throw new RuntimeException(
"BUG: builder not found for descriptor class " + wd.getPattern().getClass());
}
if (!context.getErrors().isEmpty()) {
for (DroolsError error : context.getErrors()) {
addBuilderResult(error);
}
} else {
pkgRegistry.getPackage().addWindowDeclaration(window);
}