package ca.uhn.fhir.context;
import static org.hamcrest.Matchers.containsInRelativeOrder;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.*;
import java.util.TreeSet;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletHandler;
import org.eclipse.jetty.servlet.ServletHolder;
import org.hl7.fhir.dstu3.model.IdType;
import org.hl7.fhir.dstu3.model.Observation;
import org.hl7.fhir.dstu3.model.Observation.ObservationStatus;
import org.hl7.fhir.dstu3.model.Patient;
import org.hl7.fhir.dstu3.model.StringType;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import ca.uhn.fhir.rest.annotation.IdParam;
import ca.uhn.fhir.rest.annotation.Read;
import ca.uhn.fhir.rest.client.IGenericClient;
import ca.uhn.fhir.rest.server.IResourceProvider;
import ca.uhn.fhir.rest.server.RestfulServer;
import ca.uhn.fhir.util.PortUtil;
import ca.uhn.fhir.util.TestUtil;
public class ContextScanningDstu3Test {
private static FhirContext ourCtx = FhirContext.forDstu3();
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(ContextScanningDstu3Test.class);
private static int ourPort;
private static Server ourServer;
@Test
public void testContextDoesntScanUnneccesaryTypes() {
FhirContext ctx = FhirContext.forDstu3();
TreeSet<String> resDefs = scannedResourceNames(ctx);
TreeSet<String> elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, not(containsInRelativeOrder("Observation")));
IGenericClient client = ctx.newRestfulGenericClient("http://localhost:" + ourPort);
client.read().resource(Patient.class).withId("1").execute();
resDefs = scannedResourceNames(ctx);
elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, not(containsInRelativeOrder("Observation")));
client.read().resource(Observation.class).withId("1").execute();
resDefs = scannedResourceNames(ctx);
elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, containsInRelativeOrder("Observation"));
}
public static void main(String[] args) {
// 1.6 - no defer - Took 6700 ms - 6.7ms / pass
// 1.6 - no defer - Took 6127 ms - 6.127ms / pass
// 1.6 - defer - Took 2523 ms - 2.523ms / pass
// 1.6 - defer - Took 2328 ms - 2.328ms / pass
int passes = 1000;
long start = System.currentTimeMillis();
for (int i = 0; i < passes; i++) {
FhirContext ctx = FhirContext.forDstu3();
ctx.setPerformanceOptions(PerformanceOptionsEnum.DEFERRED_MODEL_SCANNING);
ctx.getResourceDefinition("Observation");
}
long end = System.currentTimeMillis();
long delay = end-start;
float per = (float)delay / (float)passes;
ourLog.info("Took {} ms - {}ms / pass", delay, per);
}
@Test
public void testDeferredScanning() {
FhirContext ctx = FhirContext.forDstu3();
ctx.getRestfulClientFactory().setSocketTimeout(600000);
ctx.setPerformanceOptions(PerformanceOptionsEnum.DEFERRED_MODEL_SCANNING);
TreeSet<String> resDefs = scannedResourceNames(ctx);
TreeSet<String> elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, not(containsInRelativeOrder("Observation")));
BaseRuntimeElementCompositeDefinition<?> compositeDef = (BaseRuntimeElementCompositeDefinition<?>) ctx.getElementDefinition("identifier");
assertFalse(compositeDef.isSealed());
IGenericClient client = ctx.newRestfulGenericClient("http://localhost:" + ourPort);
client.read().resource(Patient.class).withId("1").execute();
resDefs = scannedResourceNames(ctx);
elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, not(containsInRelativeOrder("Observation")));
compositeDef = (BaseRuntimeElementCompositeDefinition<?>) ctx.getElementDefinition("identifier");
assertFalse(compositeDef.isSealed());
client.read().resource(Observation.class).withId("1").execute();
resDefs = scannedResourceNames(ctx);
elementDefs = scannedElementNames(ctx);
ourLog.info("Have {} resource definitions: {}", ctx.getAllResourceDefinitions().size(), resDefs);
ourLog.info("Have {} element definitions: {}", ctx.getElementDefinitions().size(), elementDefs);
assertThat(resDefs, containsInRelativeOrder("Observation"));
compositeDef = (BaseRuntimeElementCompositeDefinition<?>) ctx.getElementDefinition("identifier");
assertTrue(compositeDef.isSealed());
}
private TreeSet<String> scannedResourceNames(FhirContext ctx) {
TreeSet<String> defs = new TreeSet<String>();
for (RuntimeResourceDefinition next : ctx.getAllResourceDefinitions()) {
defs.add(next.getName());
}
return defs;
}
private TreeSet<String> scannedElementNames(FhirContext ctx) {
TreeSet<String> defs = new TreeSet<String>();
for (BaseRuntimeElementDefinition<?> next : ctx.getElementDefinitions()) {
defs.add(next.getName());
}
return defs;
}
@AfterClass
public static void afterClassClearContext() throws Exception {
ourServer.stop();
TestUtil.clearAllStaticFieldsForUnitTest();
}
@BeforeClass
public static void beforeClass() throws Exception {
ourPort = PortUtil.findFreePort();
ourServer = new Server(ourPort);
ServletHandler proxyHandler = new ServletHandler();
RestfulServer servlet = new RestfulServer(ourCtx);
servlet.setResourceProviders(new PatientProvider(), new ObservationProvider());
ServletHolder servletHolder = new ServletHolder(servlet);
proxyHandler.addServletWithMapping(servletHolder, "/*");
ourServer.setHandler(proxyHandler);
ourServer.start();
}
public static class PatientProvider implements IResourceProvider {
@Override
public Class<Patient> getResourceType() {
return Patient.class;
}
@Read
public Patient read(@IdParam IdType theId) {
return (Patient) new Patient().setId(theId);
}
}
public static class ObservationProvider implements IResourceProvider {
@Override
public Class<Observation> getResourceType() {
return Observation.class;
}
@Read
public Observation read(@IdParam IdType theId) {
Observation retVal = new Observation();
retVal.setId(theId);
retVal.addIdentifier().setSystem("ISYS").setValue("IVAL");
retVal.setStatus(ObservationStatus.FINAL);
retVal.setValue(new StringType("VAL"));
return retVal;
}
}
}