/**
* Limits results by a given encounter id
*
* @see org.openmrs.logic.Rule#eval(org.openmrs.logic.LogicContext, org.openmrs.Patient,
* java.util.Map)
*/
public Result eval(LogicContext context, Integer patientId, Map<String, Object> parameters)
throws LogicException {
if (parameters == null) {
return Result.emptyResult();
}
String conceptName = (String) parameters.get("param1");
if (conceptName == null) {
return Result.emptyResult();
}
Result ruleResult = null;
Integer encounterId = (Integer) parameters.get("encounterId");
if (encounterId == null) {
return Result.emptyResult();
}
LogicCriteria conceptCriteria = new LogicCriteriaImpl(conceptName);
LogicCriteria fullCriteria = null;
LogicCriteria encounterCriteria =
new LogicCriteriaImpl("encounterId").equalTo(encounterId.intValue());
fullCriteria = conceptCriteria.and(encounterCriteria);
ruleResult = context.read(patientId, context.getLogicDataSource("obs"), fullCriteria.last());
if (ruleResult != null && ruleResult.size() > 0) {
return ruleResult.get(0);
}
return Result.emptyResult();
}
/** @see java.lang.Object#equals(java.lang.Object) */
@Override
public boolean equals(Object obj) {
if (obj == null || !(obj instanceof Result)) {
return false;
}
Result r = (Result) obj;
if (EmptyResult.class.isAssignableFrom(r.getClass()) && this.isEmpty()) {
return true;
}
if (EmptyResult.class.isAssignableFrom(this.getClass()) && r.isEmpty()) {
return true;
}
if (isSingleResult() && r.isSingleResult()) {
if (datatype == null) {
return false;
}
// both are single results
switch (datatype) {
case BOOLEAN:
return (valueBoolean.equals(r.valueBoolean));
case CODED:
return (valueCoded.equals(r.valueCoded));
case DATETIME:
return (valueDatetime.equals(r.valueDatetime));
case NUMERIC:
return (valueNumeric.equals(r.valueNumeric));
case TEXT:
return (valueText.equals(r.valueText));
default:
return false;
}
}
if (isSingleResult() || r.isSingleResult()) {
// we already know they're not both single results, so if one is
// single, it's not a match
return false;
}
if (this.size() != r.size()) {
return false;
}
// at this point, we have two results that are lists, so members must
// match exactly
for (int i = 0; i < this.size(); i++) {
if (!this.get(i).equals(r.get(i))) {
return false;
}
}
return true;
}
/** TODO make this test use assert statements instead of printing to stdout */
@Test
public void shouldObservationRule() {
LogicService logicService = Context.getLogicService();
Cohort patients = new Cohort();
Map<Integer, Result> result = null;
patients.addMember(2);
try {
Result r = logicService.eval(2, new LogicCriteriaImpl("CD4 COUNT"));
Assert.assertNotNull(r);
Assert.assertEquals(0, r.size());
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT"));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").lt(170));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").gt(185));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").equalTo(190));
Assert.assertNotNull(result);
Calendar cal = Calendar.getInstance();
cal.set(2006, 3, 11);
result =
logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").before(cal.getTime()));
Assert.assertNotNull(result);
result =
logicService.eval(
patients, new LogicCriteriaImpl("CD4 COUNT").lt(190).before(cal.getTime()));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").after(cal.getTime()));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").last());
Assert.assertNotNull(result);
result =
logicService.eval(
patients, new LogicCriteriaImpl("CD4 COUNT").last().before(cal.getTime()));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").not().lt(150));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").not().not().lt(150));
Assert.assertNotNull(result);
patients.addMember(2);
patients.addMember(3);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT").lt(200));
Assert.assertNotNull(result);
patients.addMember(39);
result =
logicService.eval(
patients,
new LogicCriteriaImpl("PROBLEM ADDED").contains("HUMAN IMMUNODEFICIENCY VIRUS"));
Assert.assertNotNull(result);
result = logicService.eval(patients, new LogicCriteriaImpl("CD4 COUNT"));
Assert.assertNotNull(result);
result =
logicService.eval(
patients, new LogicCriteriaImpl("CD4 COUNT").within(Duration.months(1)));
Assert.assertNotNull(result);
} catch (LogicException e) {
log.error("testObservationRule: Error generated", e);
}
}
