..
if (VALIDATE_ADMISSION_MEDICATION_CODE_P__DIAGNOSTIC_CHAIN_MAP__EOCL_INV == null) {
			OCL.Helper helper = EOCL_ENV.createOCLHelper();
			helper.setContext(ConsolPackage.Literals.ADMISSION_MEDICATION);
			try {
				VALIDATE_ADMISSION_MEDICATION_CODE_P__DIAGNOSTIC_CHAIN_MAP__EOCL_INV = helper.createInvariant(VALIDATE_ADMISSION_MEDICATION_CODE_P__DIAGNOSTIC_CHAIN_MAP__EOCL_EXP);
			} catch (ParserException pe) {
				throw new UnsupportedOperationException(pe.getLocalizedMessage());
			}
		}
...

validateAdmissionMedicationCodeP(null, null, null);

public static void main(String[] args){
		CCDAValidator val = new CCDAValidator();
		double startTime = System.currentTimeMillis();
		PreLoadSections.loadSections();
		System.out.println("Time in preload sections = "+ (System.currentTimeMillis() - startTime)/1000);
	    val.validate("ccda_doc.xml");
	    val.validate("ccda_doc.xml");
	    val.validate("ccda_doc.xml");
	    val.validate("ccda_doc.xml");
	    val.validate("ccda_doc.xml");
	    val.validate("ccda_doc.xml");
}

public void validate(String docName) {
		double startTime = System.currentTimeMillis();
		ConsolPackage.eINSTANCE.eClass();
		System.out.println("Time in seconds to create consolepackage instance = "+ (System.currentTimeMillis() - startTime)/1000);
		InputStream cpResource = Thread.currentThread().getContextClassLoader().getResourceAsStream(docName);
//	   	CCDPackage.eINSTANCE.eClass(); //Deprecated now and is replaced with ConsolPackage
		try {
			ValidationResult valResult = new ValidationResult();
			//This method performs schemaValidation and CCD Document Validation 
			//Populates the errors, warnings & information messages in ValidationResult
			startTime = System.currentTimeMillis();
			ClinicalDocument ccdDocument = (ClinicalDocument) CDAUtil.load(cpResource, valResult);//Loads CDADocument. 
			System.out.println("Time in seconds to load the document = "+ (System.currentTimeMillis() - startTime)/1000);
			System.out.println("Number of Schema Validation Diagnostics: " + valResult.getSchemaValidationDiagnostics().size());
			System.out.println("Number of EMF Resource Diagnostics: " + valResult.getEMFResourceDiagnostics().size());
			System.out.println("Number of EMF Validation Diagnostics: " + valResult.getEMFValidationDiagnostics().size());
			System.out.println("Number of Total Diagnostics: " + valResult.getAllDiagnostics().size());

		} catch (FileNotFoundException e) {
				e.printStackTrace();
		} catch (Exception e) {
				e.printStackTrace();
		} finally {
			if (cpResource!= null){
				try {
						cpResource.close();
					} catch (IOException e) {
						e.printStackTrace();
					}
				}
			}
}