org.hl7.fhir.dstu2.terminologies.ValueSetExpanderSimple Maven / Gradle / Ivy
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package org.hl7.fhir.dstu2.terminologies;
/*
Copyright (c) 2011+, HL7, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.io.FileNotFoundException;
import java.io.IOException;
/*
Copyright (c) 2011+, HL7, Inc
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of HL7 nor the names of its contributors may be used to
endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.NotImplementedException;
import org.hl7.fhir.dstu2.model.DateTimeType;
import org.hl7.fhir.dstu2.model.Factory;
import org.hl7.fhir.dstu2.model.PrimitiveType;
import org.hl7.fhir.dstu2.model.Type;
import org.hl7.fhir.dstu2.model.UriType;
import org.hl7.fhir.dstu2.model.ValueSet;
import org.hl7.fhir.dstu2.model.ValueSet.ConceptDefinitionComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ConceptReferenceComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ConceptSetComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ConceptSetFilterComponent;
import org.hl7.fhir.dstu2.model.ValueSet.FilterOperator;
import org.hl7.fhir.dstu2.model.ValueSet.ValueSetComposeComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ValueSetExpansionComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ValueSetExpansionContainsComponent;
import org.hl7.fhir.dstu2.model.ValueSet.ValueSetExpansionParameterComponent;
import org.hl7.fhir.dstu2.utils.IWorkerContext;
import org.hl7.fhir.dstu2.utils.ToolingExtensions;
import org.hl7.fhir.exceptions.TerminologyServiceException;
import org.hl7.fhir.utilities.Utilities;
public class ValueSetExpanderSimple implements ValueSetExpander {
private IWorkerContext context;
private List codes = new ArrayList();
private Map map = new HashMap();
private ValueSet focus;
private ValueSetExpanderFactory factory;
public ValueSetExpanderSimple(IWorkerContext context, ValueSetExpanderFactory factory) {
super();
this.context = context;
this.factory = factory;
}
@Override
public ValueSetExpansionOutcome expand(ValueSet source) {
try {
focus = source.copy();
focus.setExpansion(new ValueSet.ValueSetExpansionComponent());
focus.getExpansion().setTimestampElement(DateTimeType.now());
focus.getExpansion().setIdentifier(Factory.createUUID());
handleDefine(source, focus.getExpansion().getParameter());
if (source.hasCompose())
handleCompose(source.getCompose(), focus.getExpansion().getParameter());
for (ValueSetExpansionContainsComponent c : codes) {
if (map.containsKey(key(c))) {
focus.getExpansion().getContains().add(c);
}
}
return new ValueSetExpansionOutcome(focus, null);
} catch (Exception e) {
// well, we couldn't expand, so we'll return an interface to a checker that can
// check membership of the set
// that might fail too, but it might not, later.
return new ValueSetExpansionOutcome(new ValueSetCheckerSimple(source, factory, context), e.getMessage());
}
}
private void handleCompose(ValueSetComposeComponent compose, List params)
throws TerminologyServiceException, ETooCostly, FileNotFoundException, IOException {
for (UriType imp : compose.getImport())
importValueSet(imp.getValue(), params);
for (ConceptSetComponent inc : compose.getInclude())
includeCodes(inc, params);
for (ConceptSetComponent inc : compose.getExclude())
excludeCodes(inc, params);
}
private void importValueSet(String value, List params)
throws ETooCostly, TerminologyServiceException, FileNotFoundException, IOException {
if (value == null)
throw new TerminologyServiceException("unable to find value set with no identity");
ValueSet vs = context.fetchResource(ValueSet.class, value);
if (vs == null)
throw new TerminologyServiceException("Unable to find imported value set " + value);
ValueSetExpansionOutcome vso = factory.getExpander().expand(vs);
if (vso.getService() != null)
throw new TerminologyServiceException("Unable to expand imported value set " + value);
if (vs.hasVersion())
if (!existsInParams(params, "version", new UriType(vs.getUrl() + "?version=" + vs.getVersion())))
params.add(new ValueSetExpansionParameterComponent().setName("version")
.setValue(new UriType(vs.getUrl() + "?version=" + vs.getVersion())));
for (ValueSetExpansionParameterComponent p : vso.getValueset().getExpansion().getParameter()) {
if (!existsInParams(params, p.getName(), p.getValue()))
params.add(p);
}
for (ValueSetExpansionContainsComponent c : vso.getValueset().getExpansion().getContains()) {
addCode(c.getSystem(), c.getCode(), c.getDisplay());
}
}
private boolean existsInParams(List params, String name, Type value) {
for (ValueSetExpansionParameterComponent p : params) {
if (p.getName().equals(name) && PrimitiveType.compareDeep(p.getValue(), value, false))
return true;
}
return false;
}
private void includeCodes(ConceptSetComponent inc, List params)
throws TerminologyServiceException, ETooCostly {
if (context.supportsSystem(inc.getSystem())) {
addCodes(context.expandVS(inc), params);
return;
}
ValueSet cs = context.fetchCodeSystem(inc.getSystem());
if (cs == null)
throw new TerminologyServiceException("unable to find code system " + inc.getSystem().toString());
if (cs.hasVersion())
if (!existsInParams(params, "version", new UriType(cs.getUrl() + "?version=" + cs.getVersion())))
params.add(new ValueSetExpansionParameterComponent().setName("version")
.setValue(new UriType(cs.getUrl() + "?version=" + cs.getVersion())));
if (inc.getConcept().size() == 0 && inc.getFilter().size() == 0) {
// special case - add all the code system
for (ConceptDefinitionComponent def : cs.getCodeSystem().getConcept()) {
addCodeAndDescendents(inc.getSystem(), def);
}
}
for (ConceptReferenceComponent c : inc.getConcept()) {
addCode(inc.getSystem(), c.getCode(),
Utilities.noString(c.getDisplay()) ? getCodeDisplay(cs, c.getCode()) : c.getDisplay());
}
if (inc.getFilter().size() > 1)
throw new TerminologyServiceException("Multiple filters not handled yet"); // need to and them, and this isn't
// done yet. But this shouldn't arise
// in non loinc and snomed value sets
if (inc.getFilter().size() == 1) {
ConceptSetFilterComponent fc = inc.getFilter().get(0);
if ("concept".equals(fc.getProperty()) && fc.getOp() == FilterOperator.ISA) {
// special: all non-abstract codes in the target code system under the value
ConceptDefinitionComponent def = getConceptForCode(cs.getCodeSystem().getConcept(), fc.getValue());
if (def == null)
throw new TerminologyServiceException(
"Code '" + fc.getValue() + "' not found in system '" + inc.getSystem() + "'");
addCodeAndDescendents(inc.getSystem(), def);
} else
throw new NotImplementedException("not done yet");
}
}
private void addCodes(ValueSetExpansionComponent expand, List params)
throws ETooCostly {
if (expand.getContains().size() > 500)
throw new ETooCostly("Too many codes to display (>" + Integer.toString(expand.getContains().size()) + ")");
for (ValueSetExpansionParameterComponent p : expand.getParameter()) {
if (!existsInParams(params, p.getName(), p.getValue()))
params.add(p);
}
for (ValueSetExpansionContainsComponent c : expand.getContains()) {
addCode(c.getSystem(), c.getCode(), c.getDisplay());
}
}
private void addCodeAndDescendents(String system, ConceptDefinitionComponent def) {
if (!ToolingExtensions.hasDeprecated(def)) {
if (!def.hasAbstractElement() || !def.getAbstract())
addCode(system, def.getCode(), def.getDisplay());
for (ConceptDefinitionComponent c : def.getConcept())
addCodeAndDescendents(system, c);
}
}
private void excludeCodes(ConceptSetComponent inc, List params)
throws TerminologyServiceException {
ValueSet cs = context.fetchCodeSystem(inc.getSystem().toString());
if (cs == null)
throw new TerminologyServiceException("unable to find value set " + inc.getSystem().toString());
if (inc.getConcept().size() == 0 && inc.getFilter().size() == 0) {
// special case - add all the code system
// for (ConceptDefinitionComponent def : cs.getDefine().getConcept()) {
//!!!! addCodeAndDescendents(inc.getSystem(), def);
// }
}
for (ConceptReferenceComponent c : inc.getConcept()) {
// we don't need to check whether the codes are valid here- they can't have
// gotten into this list if they aren't valid
map.remove(key(inc.getSystem(), c.getCode()));
}
if (inc.getFilter().size() > 0)
throw new NotImplementedException("not done yet");
}
private String getCodeDisplay(ValueSet cs, String code) throws TerminologyServiceException {
ConceptDefinitionComponent def = getConceptForCode(cs.getCodeSystem().getConcept(), code);
if (def == null)
throw new TerminologyServiceException(
"Unable to find code '" + code + "' in code system " + cs.getCodeSystem().getSystem());
return def.getDisplay();
}
private ConceptDefinitionComponent getConceptForCode(List clist, String code) {
for (ConceptDefinitionComponent c : clist) {
if (code.equals(c.getCode()))
return c;
ConceptDefinitionComponent v = getConceptForCode(c.getConcept(), code);
if (v != null)
return v;
}
return null;
}
private void handleDefine(ValueSet vs, List list) {
if (vs.hasVersion())
list.add(new ValueSetExpansionParameterComponent().setName("version")
.setValue(new UriType(vs.getUrl() + "?version=" + vs.getVersion())));
if (vs.hasCodeSystem()) {
// simple case: just generate the return
for (ConceptDefinitionComponent c : vs.getCodeSystem().getConcept())
addDefinedCode(vs, vs.getCodeSystem().getSystem(), c);
}
}
private String key(ValueSetExpansionContainsComponent c) {
return key(c.getSystem(), c.getCode());
}
private String key(String uri, String code) {
return "{" + uri + "}" + code;
}
private void addDefinedCode(ValueSet vs, String system, ConceptDefinitionComponent c) {
if (!ToolingExtensions.hasDeprecated(c)) {
if (!c.hasAbstractElement() || !c.getAbstract()) {
addCode(system, c.getCode(), c.getDisplay());
}
for (ConceptDefinitionComponent g : c.getConcept())
addDefinedCode(vs, vs.getCodeSystem().getSystem(), g);
}
}
private void addCode(String system, String code, String display) {
ValueSetExpansionContainsComponent n = new ValueSet.ValueSetExpansionContainsComponent();
n.setSystem(system);
n.setCode(code);
n.setDisplay(display);
String s = key(n);
if (!map.containsKey(s)) {
codes.add(n);
map.put(s, n);
}
}
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