public static string From(
ICodegenContext context,
Type expectedUnderlyingType,
EventPropertyGetterSPI innerGetter,
AccessType accessType,
Type generator)
{
var block = context.AddMethod(accessType == AccessType.EXISTS ? typeof(bool) : typeof(object),
typeof(object), "value", generator)
.IfNotInstanceOf("value", expectedUnderlyingType)
.IfInstanceOf("value", typeof(EventBean))
.DeclareVarWCast(typeof(EventBean), "bean", "value");
switch (accessType)
{
case AccessType.GET:
block = block.BlockReturn(innerGetter.CodegenEventBeanGet(Ref("bean"), context));
break;
case AccessType.EXISTS:
block = block.BlockReturn(innerGetter.CodegenEventBeanExists(Ref("bean"), context));
break;
case AccessType.FRAGMENT:
block = block.BlockReturn(innerGetter.CodegenEventBeanFragment(Ref("bean"), context));
break;
default:
throw new UnsupportedOperationException("Invalid access type " + accessType);
}
block = block.BlockReturn(Constant(accessType == AccessType.EXISTS ? (object)false : null));
ICodegenExpression expression;
switch (accessType)
{
case AccessType.GET:
expression = innerGetter.CodegenUnderlyingGet(Cast(
expectedUnderlyingType, Ref("value")), context);
break;
case AccessType.EXISTS:
expression = innerGetter.CodegenUnderlyingExists(Cast(
expectedUnderlyingType, Ref("value")), context);
break;
case AccessType.FRAGMENT:
expression = innerGetter.CodegenUnderlyingFragment(
Cast(expectedUnderlyingType, Ref("value")), context);
break;
default:
throw new UnsupportedOperationException("Invalid access type " + accessType);
}
return(block.MethodReturn(expression));
}