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1 caAdapter Jan 24, 2006. 2 caAdapter The caAdapter is an open source tool that facilitates HL7 version 3 message building, parsing and validation based.

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Presentation on theme: "1 caAdapter Jan 24, 2006. 2 caAdapter The caAdapter is an open source tool that facilitates HL7 version 3 message building, parsing and validation based."— Presentation transcript:

1 1 caAdapter Jan 24, 2006

2 2 caAdapter The caAdapter is an open source tool that facilitates HL7 version 3 message building, parsing and validation based on specific message definitions. It provides the capability to perform vocabulary validation and integrates with NCICB caCORE components. This supports NCICB’s mission of developing a translational research infrastructure and building a clinical research network by providing a common platform for sharing data.

3 3 caAdapter Clinical Trials Infrastructure Challenges for Clinical Trials Data Sharing and Data Exchange HL7 v3 messages Java API Web Service Messaging Service Batch Process Different technologies Different data structures Different data semantics Different messages Different ways of communications

4 4 caAdapter How the caAdapter Works Transformation (APIs) Source Data (csv format) Mapping Tool HL7 v3 XML Clinical Data

5 5 caAdapter How the caAdapter Works Source Specification -- Structure of the source data 1 Clinical Data System 1 Mapping Tool Source Data (csv)

6 6 caAdapter How the caAdapter Works Source Specification HL7 Specification 1 Clinical Data System 1 Mapping Tool HMD 2 Source Data (csv)

7 7 caAdapter How the caAdapter Works Mapping Tool Source Specification HL7 Specification 3 Mapping File 1 Clinical Data System 1 HMD 2 Source Data (csv)

8 8 caAdapter How the caAdapter Works Transformation Source Specification HL7 v3 XML HL7 Specification 3 Convert Clinical Data to HL7 v3 Message 4 Source Data (csv) 1 Clinical Data System 1 Mapping File Mapping Tool HMD 2

9 9 caAdapter caAdapter Mapping Tool

10 10 caAdapter The Generated HL7 v3 Instance

11 11 caAdapter caAdapter Architecture – 1 (Core Engine) HL7 v3 XML file Validation Vocabulary HL7 v3 API Meta Data Loader Message Parser Message Builder Data Type Objects RIM Objects Metadata Objects Schema XSD EVS HMD HL7 CTS caBIO Message Service Integration* Message Exchange

12 12 caAdapter caAdapter Features – 1 (Core Engine) ●HL7 v3 Message Parser – parses HL7 version 3 messages to RIM object graph ●HL7 v3 Message Builder – builds HL7 version 3 messages from the RIM object graph ●HL7 v3 Artifacts – implements RIM objects, data types and metadata objects ●Metadata Loader – represents HL7 version 3 metadata in-memory ●Validation Services – integrates with NCICB caCORE components such as Enterprise Vocabulary Service (EVS) and W3C XML schema validation services ●Mapping Tool – maps clinical data to the HL7 version 3 message specification currently, with extensible mapping and data transformation in the near future ●caAdapter API – uses mappings to generate HL7 version 3 messages ●Message Service – integrates with message exchange services (future plans)

13 13 caAdapter caAdapter Architecture – 2 (Mapping Tool ) Specification Component External Clinical Data: CSV User Interface TreeFunctionDrag-n-DropProperty Transformation Service HL7 v3 MappingFunction CSV Specification Mapping Specification HL7 v3 Specification CSV to HL7 v3 Processor Validation Core Engine Function Specification HMD HL7 v3 XML file

14 14 caAdapter caAdapter Features – 2 (mapping tool) ●The Mapping Tool – graphical application for mapping clinical data to an HL7 version 3 message ●Source and Target Specification – graphical interface for defining input and output data formats ●Drag and Drop Interface – simple interface for mapping source fields to target elements ●Mapping Functions – capability to do simple source data manipulation ●XML Transformer – generation of XML message instances from source data based on the mapping

15 15 caAdapter How the Batch Process Works Convert Clinical Data to HL7 v3 Message HL7 Specification Source Specification HL7 v3 XMLCSV Data Files Source Data Mapping File

16 16 caAdapter Transformation Service API  The transformation service reads the mapping file and converts a compliant source file into a series of HL7 v3 XML instances. The mapping file contains a reference to the source specification, target specification, function library specification, and mapping information.  Example: String mapFile = FileUtil.getExamplesDirPath() + "/040001/ map"; String csvSource = FileUtil.getExamplesDirPath() + "/040001/ csv"; TransformationService transformationService = new TransformationService(mapFile040001, csvSource040001); List mapGenerateResults = transformationService.process(); for (int i = 0; i < mapGenerateResults.size(); i++) { MapGenerateResult mapGenerateResult = mapGenerateResults.get(i); String hl7V3Message = mapGenerateResult.getHl7V3MessageText(); System.out.println("Generated HL7 Message:\n" + hl7V3Message); ValidatorResults validatorResults = mapGenerateResult.getValidatorResults(); System.out.println("Validation Results:\n" + validatorResults); }

17 17 caAdapter Questions?


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