Java Code Examples for org.hl7.fhir.dstu3.model.StructureDefinition#setUrl()

private void generateType(DataType dt) throws Exception {
  StructureDefinition sd = new StructureDefinition();
  sd.setId(dt.name);
  sd.setUrl("http://hl7.org/fhir/iso21090/StructureDefinition/"+sd.getId());
  sd.setName(dt.name+" data type");
  sd.setStatus(PublicationStatus.ACTIVE);
  sd.setExperimental(false);
  sd.setPublisher("HL7 / ISO");
  sd.setDate(new Date());
  sd.setDescription(dt.doco);
  sd.setKind(StructureDefinitionKind.LOGICAL);
  sd.setAbstract(Utilities.existsInList(dt.name, "HXIT", "QTY"));
  sd.setType("Element");
  if (dt.parent == null)
    sd.setBaseDefinition("http://hl7.org/fhir/StructureDefinition/Element");
  else
    sd.setBaseDefinition("http://hl7.org/fhir/iso21090/StructureDefinition/"+dt.parent);
  sd.setDerivation(TypeDerivationRule.SPECIALIZATION);
  ElementDefinition ed = sd.getDifferential().addElement();
  ed.setPath(dt.name);
  produceProperties(sd.getDifferential().getElement(), dt.name, dt.properties, true, false);
  produceProperties(sd.getDifferential().getElement(), dt.name, dt.properties, false, false);
  ed = sd.getSnapshot().addElement();
  ed.setPath(dt.name);
  if (dt.parent != null)
    addParentProperties(sd.getSnapshot().getElement(), dt.name, dt.parent, true, true);
  produceProperties(sd.getSnapshot().getElement(), dt.name, dt.properties, true, true);
  if (dt.parent != null)
    addParentProperties(sd.getSnapshot().getElement(), dt.name, dt.parent, false, true);
  produceProperties(sd.getSnapshot().getElement(), dt.name, dt.properties, false, true);
  ed.getBase().setPath(ed.getPath()).setMin(ed.getMin()).setMax(ed.getMax());
  new XmlParser().setOutputStyle(OutputStyle.PRETTY).compose(new FileOutputStream("c:\\temp\\iso21090\\StructureDefinition-"+dt.name+".xml"), sd);    
}
 

/**
 * This is simple: we just create an empty differential, generate the snapshot, and then insist it must match the base 
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testSimple() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType("Patient");
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test");

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        ok = Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation simple test failed");
  } else 
    System.out.println("Snap shot generation simple test passed");
}
 

/**
 * This is simple: we just create an empty differential, generate the snapshot, and then insist it must match the base. for a different resource with recursion 
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testSimple2() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/ValueSet").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        ok = Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation simple test failed");
  } else 
    System.out.println("Snap shot generation simple test passed");
}
 

/**
 * Change one cardinality.
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testCardinalityChange() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.setMin(1);
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.getMin() == 1;
          if (ok)
            f.setMin(0);
        }
        ok = ok && Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation chenge cardinality test failed");
  } else 
    System.out.println("Snap shot generation chenge cardinality test passed");
}
 

private void testSlicingTask8742() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Organization").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Organization.address");
  id.setMin(1);
  id.setMax("1");
  id.setMustSupport(true);
      
  id = focus.getDifferential().addElement();
  id.setPath("Organization.address.extension");
  id.setSliceName("USLabCountycodes");
  id.getSlicing().setOrdered(false).setRules(SlicingRules.OPEN).addDiscriminator().setPath("url").setType(DiscriminatorType.VALUE);
  id.setShort("County/Parish FIPS codes");
  id.setDefinition("County/Parish FIPS codes.");
  id.setRequirements("County/Parish Code SHALL use FIPS 6-4  ( INCITS 31:2009).");
  id.setMin(0);
  id.setMax("1");
  id.addType().setCode("Extension").setProfile("http://hl7.org/fhir/StructureDefinition/us-core-county");
  id.setMustSupport(true);
  id.getBinding().setStrength(BindingStrength.REQUIRED).setDescription("FIPS codes for US counties and county equivalent entities.").setValueSet(new Reference().setReference("http://hl7.org/fhir/ValueSet/fips-county"));
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  // 14 for address with one sliced extension
  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size() - 13;
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation test 8742 failed");
  } else 
    System.out.println("Snap shot generation test 8742 passed");
}
 

private PropertyWithType createProfile(StructureMap map, List<StructureDefinition> profiles, PropertyWithType prop, String sliceName, Base ctxt) throws DefinitionException {
  if (prop.getBaseProperty().getDefinition().getPath().contains(".")) 
    throw new DefinitionException("Unable to process entry point");

  String type = prop.getBaseProperty().getDefinition().getPath();
  String suffix = "";
  if (ids.containsKey(type)) {
    int id = ids.get(type);
    id++;
    ids.put(type, id);
    suffix = "-"+Integer.toString(id);
  } else
    ids.put(type, 0);
  
  StructureDefinition profile = new StructureDefinition();
  profiles.add(profile);
  profile.setDerivation(TypeDerivationRule.CONSTRAINT);
  profile.setType(type);
  profile.setBaseDefinition(prop.getBaseProperty().getStructure().getUrl());
  profile.setName("Profile for "+profile.getType()+" for "+sliceName);
  profile.setUrl(map.getUrl().replace("StructureMap", "StructureDefinition")+"-"+profile.getType()+suffix);
  ctxt.setUserData("profile", profile.getUrl()); // then we can easily assign this profile url for validation later when we actually transform
  profile.setId(map.getId()+"-"+profile.getType()+suffix);
  profile.setStatus(map.getStatus());
  profile.setExperimental(map.getExperimental());
  profile.setDescription("Generated automatically from the mapping by the Java Reference Implementation");
  for (ContactDetail c : map.getContact()) {
    ContactDetail p = profile.addContact();
    p.setName(c.getName());
    for (ContactPoint cc : c.getTelecom()) 
      p.addTelecom(cc);
  }
  profile.setDate(map.getDate());
  profile.setCopyright(map.getCopyright());
  profile.setFhirVersion(Constants.VERSION);
  profile.setKind(prop.getBaseProperty().getStructure().getKind());
  profile.setAbstract(false);
  ElementDefinition ed = profile.getDifferential().addElement();
  ed.setPath(profile.getType());
  prop.profileProperty = new Property(worker, ed, profile);
  return prop;
}
 

/**
 * check that documentation appending is working
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testDocumentationAppend() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.setDefinition("... some more doco");
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.getDefinition().length() > b.getDefinition().length();
          if (ok) {
            f.setDefinition(null);
            b.setDefinition(null);
          }
        }
        ok = ok && Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation documentation append failed");
  } else 
    System.out.println("Snap shot generation documentation append test passed");
}
 

/**
 * check that narrowing types is working
 * this one doesn't rename the path
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void textTypeNarrowing1() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.deceased[x]");
  id.addType().setCode("dateTime");
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.deceasedDateTime")) {
          ok = f.getType().size() == 1 && f.getType().get(0).getCode().equals("dateTime");
          if (ok) {
            f.getType().clear();
            b.getType().clear();
            f.setPath(b.getPath());
          }
        }
        ok = ok && Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation narrow type 1 failed");
  } else 
    System.out.println("Snap shot generation narrow type 1 test passed");
}
 

/**
 * check that narrowing types is working
 * this one renames the path
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void textTypeNarrowing2() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.deceasedDateTime");
  id.addType().setCode("dateTime");
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.deceasedDateTime")) {
          ok = f.getType().size() == 1 && f.getType().get(0).getCode().equals("dateTime");
          if (ok) {
            f.getType().clear();
            b.getType().clear();
            f.setPath(b.getPath());
          }
        }
        ok = ok && Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation narrow type 2 failed");
  } else 
    System.out.println("Snap shot generation narrow type 2 test passed");
}
 

/**
 * check that mapping resolution is working
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testMapping() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.addMapping().setIdentity("rim").setMap("test");
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size();
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.getMapping().size() > b.getMapping().size();
          if (ok) {
            f.getMapping().clear();
            b.getMapping().clear();
          }
        }
        ok = ok && Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation mapping changes failed");
  } else 
    System.out.println("Snap shot generation mapping changes test passed");
}
 

/**
 * Walking into a type 
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testTypeWalk() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.setMustSupport(true);
  id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier.system");
  id.setMustSupport(true);
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  // the derived should be 8 longer
  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size() - 8;
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i <= 9 ? i : i + 8);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.getMustSupport() && !b.getMustSupport();
          if (ok) {
            f.setMustSupportElement(null);
          }
        }
        ok = Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation simple test failed");
  } else 
    System.out.println("Snap shot generation simple test passed");
}
 

/**
 * Walking into a type, without explicitly doing so 
 * 
 * note: this currently fails.
 * 
 * @param context2
 * @
 * @throws EOperationOutcome 
 */
private void testTypeWalk2() throws EOperationOutcome, Exception {
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier.system");
  id.setMustSupport(true);
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  // the derived should be 8 longer
  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size() - 8;
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i <= 9 ? i : i + 8);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.getMustSupport() && !b.getMustSupport();
          if (ok) {
            f.setMustSupportElement(null);
          }
        }
        ok = Base.compareDeep(b, f, true);
      }
    }
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation simple test failed");
  } else 
    System.out.println("Snap shot generation simple test passed");
}
 

/**
 * we're going to slice Patient.identifier
 */
private void testSlicingSimple() throws EOperationOutcome, Exception {
  
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  
  // set the slice up
  ElementDefinition id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.getSlicing().setOrdered(false).setRules(SlicingRules.OPEN).addDiscriminator().setPath("use").setType(DiscriminatorType.VALUE);
  
  // first slice: 
  id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.setSliceName("name1");
  id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier.use");
  id.setFixed(new CodeType("usual"));
  
  // second slice:
  id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier");
  id.setSliceName("name2");
  id = focus.getDifferential().addElement();
  id.setPath("Patient.identifier.use");
  id.setFixed(new CodeType("official"));
  
  
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  new ProfileUtilities(context, messages, null).generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  // 18 different: identifier + 8 inner children * 2 
  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size() - 18;
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i <= 9 ? i : i + 18);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.identifier")) {
          ok = f.hasSlicing();
          if (ok)
            f.setSlicing(null);
        }            
        ok = Base.compareDeep(b, f, true);
      }
    }
  }
  // now, check that the slices we skipped are correct:
  for (int i = 10; i <= 18; i++) {
    if (ok) {
      ElementDefinition d1 = focus.getSnapshot().getElement().get(i);
      ElementDefinition d2 = focus.getSnapshot().getElement().get(i+9);
      if (d1.getPath().equals("Patient.identifier.use")) {
        ok = d1.hasFixed() && d2.hasFixed() && !Base.compareDeep(d1.getFixed(), d2.getFixed(), true);
        if (ok) {
          d1.setFixed(null);
          d2.setFixed(null);
        }
      }
      if (d1.getPath().equals("Patient.identifier")) {
        ok = d1.hasSliceName() && d2.hasSliceName() && !Base.compareDeep(d1.getSliceNameElement(), d2.getSliceNameElement(), true);
        if (ok) {
          d1.setSliceName(null);
          d2.setSliceName(null);
        }
      }
      ok = Base.compareDeep(d1, d2, true);
    }
  }
  // for throughness, we could check against identifier too, but this is not done now.
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation slicing failed");
  } else 
    System.out.println("Snap shot generation slicing passed");
  
}
 

/**
 * we're going to slice Patient.extension and refer to extension by profile
 * 
 * implicit: whether to rely on implicit extension slicing
 */
private void testSlicingExtension(boolean implicit) throws EOperationOutcome, Exception {
  
  StructureDefinition focus = new StructureDefinition();
  StructureDefinition base = context.fetchResource(StructureDefinition.class, "http://hl7.org/fhir/StructureDefinition/Patient").copy();
  focus.setUrl(Utilities.makeUuidUrn());
  focus.setBaseDefinition(base.getUrl());
  focus.setType(base.getType());
  focus.setDerivation(TypeDerivationRule.CONSTRAINT);
  
  // set the slice up
  ElementDefinition id;
  if (!implicit) {
    id = focus.getDifferential().addElement();
    id.setPath("Patient.extension");
    id.getSlicing().setOrdered(false).setRules(SlicingRules.OPEN).addDiscriminator().setPath("url").setType(DiscriminatorType.VALUE);
    id.setMax("3");
  }
  // first slice: 
  id = focus.getDifferential().addElement();
  id.setPath("Patient.extension");
  id.setSliceName("name1");
  id.addType().setCode("Extension").setProfile("http://hl7.org/fhir/StructureDefinition/patient-birthTime");
  id.setMin(1);
  
  // second slice:
  id = focus.getDifferential().addElement();
  id.setPath("Patient.extension");
  id.setSliceName("name2");
  id.addType().setCode("Extension").setProfile("http://hl7.org/fhir/StructureDefinition/patient-mothersMaidenName");    
  
  List<ValidationMessage> messages = new ArrayList<ValidationMessage>();
  ProfileUtilities pu = new ProfileUtilities(context, messages, null);
  pu.generateSnapshot(base, focus, focus.getUrl(), "Simple Test" );

  // 2 different: extension slices 
  boolean ok = base.getSnapshot().getElement().size() == focus.getSnapshot().getElement().size() - 2;
  for (int i = 0; i < base.getSnapshot().getElement().size(); i++) {
    if (ok) {
      ElementDefinition b = base.getSnapshot().getElement().get(i);
      ElementDefinition f = focus.getSnapshot().getElement().get(i <= 7 ? i : i + 2);
      if (!f.hasBase() || !b.getPath().equals(f.getBase().getPath())) 
        ok = false;
      else {
        f.setBase(null);
        if (f.getPath().equals("Patient.extension")) {
          ok = f.hasSlicing() && (implicit || f.getMax().equals("3"));
          if (ok) {
            f.setSlicing(null);
            f.setMaxElement(b.getMaxElement());
          }
        }            
        if (!f.getPath().equals("Patient.extension")) // no compare that because the definitions get overwritten 
          ok = Base.compareDeep(b, f, true);
      }
    }
  }
  // now, check that the slices we skipped are correct:
  if (ok) {
    ElementDefinition d1 = focus.getSnapshot().getElement().get(8);
    ElementDefinition d2 = focus.getSnapshot().getElement().get(9);
    ok = d1.hasType() && d1.getType().get(0).hasProfile() && d2.hasType() && d2.getType().get(0).hasProfile() && !Base.compareDeep(d1.getType(), d2.getType(), true) &&
          d1.getMin() == 1 && d2.getMin() == 0 && d1.getMax().equals("1") && d2.getMax().equals("1");
    if (ok) {
      d1.getType().clear();
      d2.getType().clear();
      d1.setSliceName("x");
      d2.setSliceName("x");
      d1.setMin(0);
    }
    ok = Base.compareDeep(d1, d2, true);
    // for throughness, we could check against extension too, but this is not done now.
  }
  
  if (!ok) {
    compareXml(base, focus);
    throw new FHIRException("Snap shot generation slicing extensions simple ("+(implicit ? "implicit" : "not implicit")+") failed");
  } else 
    System.out.println("Snap shot generation slicing extensions simple ("+(implicit ? "implicit" : "not implicit")+") passed");
}