package ca.uhn.fhir.jpa.dao.dstu3;
/*
* #%L
* HAPI FHIR JPA Server
* %%
* Copyright (C) 2014 - 2017 University Health Network
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import static org.apache.commons.lang3.StringUtils.isBlank;
import static org.apache.commons.lang3.StringUtils.isNotBlank;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.apache.commons.lang3.time.DateUtils;
import org.hl7.fhir.dstu3.model.CodeType;
import org.hl7.fhir.dstu3.model.SearchParameter;
import org.hl7.fhir.instance.model.api.IBaseResource;
import org.hl7.fhir.instance.model.api.IIdType;
import org.springframework.beans.factory.annotation.Autowired;
import ca.uhn.fhir.context.RuntimeSearchParam;
import ca.uhn.fhir.context.RuntimeSearchParam.RuntimeSearchParamStatusEnum;
import ca.uhn.fhir.jpa.dao.BaseSearchParamRegistry;
import ca.uhn.fhir.jpa.dao.DaoConfig;
import ca.uhn.fhir.jpa.dao.IFhirResourceDao;
import ca.uhn.fhir.jpa.dao.SearchParameterMap;
import ca.uhn.fhir.jpa.util.StopWatch;
import ca.uhn.fhir.rest.method.RestSearchParameterTypeEnum;
import ca.uhn.fhir.rest.server.IBundleProvider;
public class SearchParamRegistryDstu3 extends BaseSearchParamRegistry {
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(SearchParamRegistryDstu3.class);
private volatile Map<String, Map<String, RuntimeSearchParam>> myActiveSearchParams;
@Autowired
private DaoConfig myDaoConfig;
private volatile long myLastRefresh;
@Autowired
private IFhirResourceDao<SearchParameter> mySpDao;
@Override
public void forceRefresh() {
synchronized (this) {
myLastRefresh = 0;
}
}
@Override
public Map<String, Map<String, RuntimeSearchParam>> getActiveSearchParams() {
refreshCacheIfNeccesary();
return myActiveSearchParams;
}
@Override
public Map<String, RuntimeSearchParam> getActiveSearchParams(String theResourceName) {
refreshCacheIfNeccesary();
return myActiveSearchParams.get(theResourceName);
}
private Map<String, RuntimeSearchParam> getSearchParamMap(Map<String, Map<String, RuntimeSearchParam>> searchParams, String theResourceName) {
Map<String, RuntimeSearchParam> retVal = searchParams.get(theResourceName);
if (retVal == null) {
retVal = new HashMap<String, RuntimeSearchParam>();
searchParams.put(theResourceName, retVal);
}
return retVal;
}
private void refreshCacheIfNeccesary() {
long refreshInterval = 60 * DateUtils.MILLIS_PER_MINUTE;
if (System.currentTimeMillis() - refreshInterval > myLastRefresh) {
synchronized (this) {
if (System.currentTimeMillis() - refreshInterval > myLastRefresh) {
StopWatch sw = new StopWatch();
Map<String, Map<String, RuntimeSearchParam>> searchParams = new HashMap<String, Map<String, RuntimeSearchParam>>();
for (Entry<String, Map<String, RuntimeSearchParam>> nextBuiltInEntry : getBuiltInSearchParams().entrySet()) {
for (RuntimeSearchParam nextParam : nextBuiltInEntry.getValue().values()) {
String nextResourceName = nextBuiltInEntry.getKey();
getSearchParamMap(searchParams, nextResourceName).put(nextParam.getName(), nextParam);
}
}
SearchParameterMap params = new SearchParameterMap();
params.setLoadSynchronous(true);
IBundleProvider allSearchParamsBp = mySpDao.search(params);
int size = allSearchParamsBp.size();
// Just in case..
if (size > 10000) {
ourLog.warn("Unable to support >10000 search params!");
size = 10000;
}
List<IBaseResource> allSearchParams = allSearchParamsBp.getResources(0, size);
for (IBaseResource nextResource : allSearchParams) {
SearchParameter nextSp = (SearchParameter) nextResource;
RuntimeSearchParam runtimeSp = toRuntimeSp(nextSp);
if (runtimeSp == null) {
continue;
}
int dotIdx = runtimeSp.getPath().indexOf('.');
if (dotIdx == -1) {
ourLog.warn("Can not determine resource type of {}", runtimeSp.getPath());
continue;
}
String resourceType = runtimeSp.getPath().substring(0, dotIdx);
Map<String, RuntimeSearchParam> searchParamMap = getSearchParamMap(searchParams, resourceType);
String name = runtimeSp.getName();
if (myDaoConfig.isDefaultSearchParamsCanBeOverridden() || !searchParamMap.containsKey(name)) {
searchParamMap.put(name, runtimeSp);
}
}
Map<String, Map<String, RuntimeSearchParam>> activeSearchParams = new HashMap<String, Map<String, RuntimeSearchParam>>();
for (Entry<String, Map<String, RuntimeSearchParam>> nextEntry : searchParams.entrySet()) {
for (RuntimeSearchParam nextSp : nextEntry.getValue().values()) {
String nextName = nextSp.getName();
if (nextSp.getStatus() != RuntimeSearchParamStatusEnum.ACTIVE) {
nextSp = null;
}
if (!activeSearchParams.containsKey(nextEntry.getKey())) {
activeSearchParams.put(nextEntry.getKey(), new HashMap<String, RuntimeSearchParam>());
}
if (activeSearchParams.containsKey(nextEntry.getKey())) {
ourLog.debug("Replacing existing/built in search param {}:{} with new one", nextEntry.getKey(), nextName);
}
if (nextSp != null) {
activeSearchParams.get(nextEntry.getKey()).put(nextName, nextSp);
} else {
activeSearchParams.get(nextEntry.getKey()).remove(nextName);
}
}
}
myActiveSearchParams = activeSearchParams;
myLastRefresh = System.currentTimeMillis();
ourLog.info("Refreshed search parameter cache in {}ms", sw.getMillis());
}
}
}
}
private RuntimeSearchParam toRuntimeSp(SearchParameter theNextSp) {
String name = theNextSp.getCode();
String description = theNextSp.getDescription();
String path = theNextSp.getExpression();
RestSearchParameterTypeEnum paramType = null;
RuntimeSearchParamStatusEnum status = null;
switch (theNextSp.getType()) {
case COMPOSITE:
paramType = RestSearchParameterTypeEnum.COMPOSITE;
break;
case DATE:
paramType = RestSearchParameterTypeEnum.DATE;
break;
case NUMBER:
paramType = RestSearchParameterTypeEnum.NUMBER;
break;
case QUANTITY:
paramType = RestSearchParameterTypeEnum.QUANTITY;
break;
case REFERENCE:
paramType = RestSearchParameterTypeEnum.REFERENCE;
break;
case STRING:
paramType = RestSearchParameterTypeEnum.STRING;
break;
case TOKEN:
paramType = RestSearchParameterTypeEnum.TOKEN;
break;
case URI:
paramType = RestSearchParameterTypeEnum.URI;
break;
case NULL:
break;
}
if (theNextSp.getStatus() != null) {
switch (theNextSp.getStatus()) {
case ACTIVE:
status = RuntimeSearchParamStatusEnum.ACTIVE;
break;
case DRAFT:
status = RuntimeSearchParamStatusEnum.DRAFT;
break;
case RETIRED:
status = RuntimeSearchParamStatusEnum.RETIRED;
break;
case NULL:
break;
}
}
Set<String> providesMembershipInCompartments = Collections.emptySet();
Set<String> targets = toStrings(theNextSp.getTarget());
if (isBlank(name) || isBlank(path) || paramType == null) {
return null;
}
IIdType id = theNextSp.getIdElement();
String uri = "";
RuntimeSearchParam retVal = new RuntimeSearchParam(id, uri, name, description, path, paramType, null, providesMembershipInCompartments, targets, status);
return retVal;
}
private Set<String> toStrings(List<CodeType> theTarget) {
HashSet<String> retVal = new HashSet<String>();
for (CodeType next : theTarget) {
if (isNotBlank(next.getValue())) {
retVal.add(next.getValue());
}
}
return retVal;
}
}