Munnelly, J. and Clarke, S.,, HL7 Healthcare Information Management Using Aspect-Oriented Programming Computer-Based Medical Systems, 22nd IEEE International Symposium on CBMS 2009, 2-5 Aug, IEEE, 2009, 1-4
Given the heterogeneity of healthcare software systems,
data from each system is often incompatible inhibiting interoperability.
To enable the sharing and exchange of
healthcare information interoperability standards must be
adhered to. Health Level Seven (HL7) is the international
standards organisation that promotes and enforces
the standardisation of electronic healthcare information to
facilitate its exchange and management. Incorporating
HL7 functionality into existing applications requires significant
modification and intrusive extensions. Using Aspect-
Oriented Programming (AOP), we can introduce HL7 functionality
into existing applications without the requirement
for refactoring or modification. HL7 data formatting affects
multiple parts of an application and hence is a ”crosscutting
concern”. These concerns which entwine with base
functionality introduce complexity and reduce modularity.
A second benefit of AOP is its advanced modularisation
capabilities which are capable of modularising ”crosscutting
concerns”. We illustrate the benefits of using AOP in
HL7 by example and measure the effects of the approach on
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