nHapi example | Division by Zero

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0 # wangang 2010-10-19 09:29

hao dong xi

0 # Bas 2010-10-21 09:59

Hi,

Thank you for your compliment! :lol:

I just translated your comment from Pinyin to English. The translation is "Good thing." (Is that correct?)

Thanks again,

Division by Zero

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0 # Anup 2011-03-12 19:31

Thank you very much !!

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0 # Bas 2011-03-12 21:43

You're welcome! I really hope this example helps!

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+1 # slypete 2012-05-10 19:07

Hello,

Employing .Net dynamics, one can implement a factory without a naive switch implementation. For example:

IMessage message = parser.Parse(message);
dynamic o = Convert.ChangeType(mess age, message.GetType());
PL location = o.PV1.AssignedPatient Location;

The only disadvantage is that you lose compile-time checking, but this approach should drastically reduce boiler plate code.

Cheers,
Pete

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0 # Bas 2012-05-11 11:26

Hi Slypete,

Thank you for your comment. This way will absolutely shorten the code.

There are two reasons that I didn't use .Net dynamics. The first one is that it didn't yet exist at the time (I think... maybe it did and I didn't know about it at the time). The second one is that this code is an example. Statements like dynamic sure are code optimizations. On the other hand they make the code far less comprehensible for less experienced developers. In my opinion it is better to have more code that is better readable than to have less code that isn't.

Of course if an experienced developer would take this example. .Net dynamics will shorten the code and, therefore, make it easier to maintain.

Thanks,

Division by Zero

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0 # telahun 2012-10-01 19:43

Hi. I am having trouble using nhapi for hl7 2.1. Do you know if nhapi supports this version. I keep getting an error "version not supported". I see that there is a dll for 2.1

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0 # Bas 2012-10-02 10:02

Hi Telahun,

NHapi does support HL7 version 2.1. From where do you get the error? Maybe you could include the stacktrace of the error.

If you use the example solution I provided here to parse a 2.1 version message it will give you an error like this one. The solution is given as an example and support for other version must be added.

If you look at the file HL7VersionFacto ry.cs at line 16: there is a case statement that will check the HL7 version. You will see that only version 2.4 is added. You can add version 2.1 and add the parsing bit.

If you have any problems, please share the error with the stacktrace or bits of code where the error occures. Maybe I can help.

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