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Introduction

In DiagnosticReport FHIR resource contains field called "serviceCategory". This filed has zero to one relationship and can take one of values presented in Codes for Diagnostic Service sections.

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FHIR module is using Handlers to support each type of serviceCategory sections. You can build your own handler and register for handler a particular type of DiagnosticReport.

Workflow

Technical Workflow

 Image Added

Above diagram show the handler hierarchy for the DiagnosticReport.

• Create a handler for particular Diagnostic Service Section with implementing DiagnosticReportHandler interface
• Register handler using Spring injection by ModuleApplicationContext.xml
• RESTfulDiagnosticReportResourceProvider listen to the HTTP requests and invoke appropriate method in DiagnosticReportServiceImpl according to the requested parameters
• Then DiagnosticReportServiceImpl will select the register handler which can fulfill that request and forward it to the DiagnosticReportUtil
• DiagnosticReportUtil trigger the handler and send back the response

How to Create a DiagnosticReportHandler

Requirements

Examples

Laboratory Handler

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Requirements

• A DiagnosticReportHandler must implement the DiagnosticReportHandler interface
• A DiagnosticReportHandler may extend the AbtractHandler which contains common set of functionalities
• The DiagnosticReportHandler must be registered by Spring with a key

Examples

Laboratory Handler

• Found in the org.openmrs.module.fhir.api.diagnosticreport.handler package
• Extends org.openmrs.module.fhir.api.diagnosticreport.handler

package org.openmrs.module.fhir.api.diagnosticreport.handler;
public class LaboratoryHandler extends AbstractHandler implements DiagnosticReportHandler {
  private static final String ServiceCategory = "LAB";
  public LaboratoryHandler() {
    super();
  }
  public String getServiceCategory() {
    return ServiceCategory;
  }
  public DiagnosticReport getFHIRDiagnosticReportById(String id) {
    // Implement code here
  }
  public List<DiagnosticReport> getFHIRDiagnosticReportBySubjectName(String name) {
    // Implement code here
  }
  public DiagnosticReport saveFHIRDiagnosticReport(DiagnosticReport diagnosticReport) {
    // Implement code here
  }
  public DiagnosticReport updateFHIRDiagnosticReport(DiagnosticReport diagnosticReport, String theId) {
    // Implement code here
  }
  public void retireFHIRDiagnosticReport(String id) {
    // Implement code here
  }
}

Register LaboratoryHandler

Register handler in FHIR module ModuleApplicationContext.xml configuration (locate in /api/src/main/resources/moduleApplicationContext.xml).

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