/
SearchBuilder.java
2760 lines (2346 loc) 路 99.8 KB
/
SearchBuilder.java
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package ca.uhn.fhir.jpa.dao;
/*
* #%L
* HAPI FHIR JPA Server
* %%
* Copyright (C) 2014 - 2019 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 ca.uhn.fhir.context.*;
import ca.uhn.fhir.jpa.dao.data.IResourceIndexedCompositeStringUniqueDao;
import ca.uhn.fhir.jpa.dao.data.IResourceIndexedSearchParamUriDao;
import ca.uhn.fhir.jpa.dao.data.IResourceSearchViewDao;
import ca.uhn.fhir.jpa.dao.data.IResourceTagDao;
import ca.uhn.fhir.jpa.dao.index.IdHelperService;
import ca.uhn.fhir.jpa.dao.r4.MatchResourceUrlService;
import ca.uhn.fhir.jpa.entity.ResourceSearchView;
import ca.uhn.fhir.jpa.model.entity.*;
import ca.uhn.fhir.jpa.model.interceptor.api.HookParams;
import ca.uhn.fhir.jpa.model.interceptor.api.IInterceptorBroadcaster;
import ca.uhn.fhir.jpa.model.interceptor.api.Pointcut;
import ca.uhn.fhir.jpa.model.util.StringNormalizer;
import ca.uhn.fhir.jpa.searchparam.JpaRuntimeSearchParam;
import ca.uhn.fhir.jpa.searchparam.MatchUrlService;
import ca.uhn.fhir.jpa.searchparam.ResourceMetaParams;
import ca.uhn.fhir.jpa.searchparam.SearchParameterMap;
import ca.uhn.fhir.jpa.searchparam.extractor.ResourceIndexedSearchParams;
import ca.uhn.fhir.jpa.searchparam.registry.ISearchParamRegistry;
import ca.uhn.fhir.jpa.term.IHapiTerminologySvc;
import ca.uhn.fhir.jpa.term.VersionIndependentConcept;
import ca.uhn.fhir.jpa.util.BaseIterator;
import ca.uhn.fhir.jpa.util.ScrollableResultsIterator;
import ca.uhn.fhir.model.api.*;
import ca.uhn.fhir.model.base.composite.BaseCodingDt;
import ca.uhn.fhir.model.base.composite.BaseIdentifierDt;
import ca.uhn.fhir.model.base.composite.BaseQuantityDt;
import ca.uhn.fhir.model.primitive.IdDt;
import ca.uhn.fhir.model.primitive.InstantDt;
import ca.uhn.fhir.model.valueset.BundleEntrySearchModeEnum;
import ca.uhn.fhir.parser.DataFormatException;
import ca.uhn.fhir.rest.api.*;
import ca.uhn.fhir.rest.param.*;
import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
import ca.uhn.fhir.rest.server.exceptions.MethodNotAllowedException;
import ca.uhn.fhir.rest.server.exceptions.ResourceNotFoundException;
import ca.uhn.fhir.util.StopWatch;
import ca.uhn.fhir.util.UrlUtil;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.Validate;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.apache.commons.lang3.tuple.Pair;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hibernate.query.Query;
import org.hibernate.query.criteria.internal.CriteriaBuilderImpl;
import org.hibernate.query.criteria.internal.predicate.BooleanStaticAssertionPredicate;
import org.hl7.fhir.instance.model.api.IAnyResource;
import org.hl7.fhir.instance.model.api.IBaseResource;
import org.hl7.fhir.instance.model.api.IIdType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.*;
import java.math.BigDecimal;
import java.math.MathContext;
import java.util.*;
import java.util.Map.Entry;
import java.util.stream.Collectors;
import static org.apache.commons.lang3.StringUtils.*;
/**
* The SearchBuilder is responsible for actually forming the SQL query that handles
* searches for resources
*/
@Component
@Scope("prototype")
public class SearchBuilder implements ISearchBuilder {
private static final List<Long> EMPTY_LONG_LIST = Collections.unmodifiableList(new ArrayList<>());
private static final org.slf4j.Logger ourLog = org.slf4j.LoggerFactory.getLogger(SearchBuilder.class);
/**
* @see #loadResourcesByPid(Collection, List, Set, boolean, EntityManager, FhirContext, IDao)
* for an explanation of why we use the constant 800
*/
private static final int MAXIMUM_PAGE_SIZE = 800;
private static Long NO_MORE = -1L;
private static HandlerTypeEnum ourLastHandlerMechanismForUnitTest;
private static SearchParameterMap ourLastHandlerParamsForUnitTest;
private static String ourLastHandlerThreadForUnitTest;
private static boolean ourTrackHandlersForUnitTest;
private final boolean myDontUseHashesForSearch;
private final DaoConfig myDaoConfig;
@Autowired
protected IResourceTagDao myResourceTagDao;
@PersistenceContext(type = PersistenceContextType.TRANSACTION)
protected EntityManager myEntityManager;
@Autowired
private IResourceSearchViewDao myResourceSearchViewDao;
@Autowired
private FhirContext myContext;
@Autowired
private IdHelperService myIdHelperService;
@Autowired(required = false)
private IFulltextSearchSvc myFulltextSearchSvc;
@Autowired
private IResourceIndexedSearchParamUriDao myResourceIndexedSearchParamUriDao;
@Autowired
private ISearchParamRegistry mySearchParamRegistry;
@Autowired
private IHapiTerminologySvc myTerminologySvc;
@Autowired
private MatchResourceUrlService myMatchResourceUrlService;
@Autowired
private MatchUrlService myMatchUrlService;
@Autowired
private IResourceIndexedCompositeStringUniqueDao myResourceIndexedCompositeStringUniqueDao;
@Autowired
private IInterceptorBroadcaster myInterceptorBroadcaster;
private List<Long> myAlsoIncludePids;
private CriteriaBuilder myBuilder;
private BaseHapiFhirDao<?> myCallingDao;
private Map<JoinKey, Join<?, ?>> myIndexJoins = Maps.newHashMap();
private SearchParameterMap myParams;
private ArrayList<Predicate> myPredicates;
private String myResourceName;
private AbstractQuery<Long> myResourceTableQuery;
private Root<ResourceTable> myResourceTableRoot;
private Class<? extends IBaseResource> myResourceType;
private String mySearchUuid;
private int myFetchSize;
private Integer myMaxResultsToFetch;
private Set<Long> myPidSet;
/**
* Constructor
*/
SearchBuilder(BaseHapiFhirDao<?> theDao) {
myCallingDao = theDao;
myDaoConfig = theDao.getConfig();
myDontUseHashesForSearch = myDaoConfig.getDisableHashBasedSearches();
}
@Override
public void setMaxResultsToFetch(Integer theMaxResultsToFetch) {
myMaxResultsToFetch = theMaxResultsToFetch;
}
private void addPredicateComposite(String theResourceName, RuntimeSearchParam theParamDef, List<? extends IQueryParameterType> theNextAnd) {
// TODO: fail if missing is set for a composite query
IQueryParameterType or = theNextAnd.get(0);
if (!(or instanceof CompositeParam<?, ?>)) {
throw new InvalidRequestException("Invalid type for composite param (must be " + CompositeParam.class.getSimpleName() + ": " + or.getClass());
}
CompositeParam<?, ?> cp = (CompositeParam<?, ?>) or;
RuntimeSearchParam left = theParamDef.getCompositeOf().get(0);
IQueryParameterType leftValue = cp.getLeftValue();
myPredicates.add(createCompositeParamPart(theResourceName, myResourceTableRoot, left, leftValue));
RuntimeSearchParam right = theParamDef.getCompositeOf().get(1);
IQueryParameterType rightValue = cp.getRightValue();
myPredicates.add(createCompositeParamPart(theResourceName, myResourceTableRoot, right, rightValue));
}
private void addPredicateDate(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
Join<ResourceTable, ResourceIndexedSearchParamDate> join = createOrReuseJoin(JoinEnum.DATE, theParamName);
if (theList.get(0).getMissing() != null) {
Boolean missing = theList.get(0).getMissing();
addPredicateParamMissing(theResourceName, theParamName, missing, join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
Predicate p = createPredicateDate(nextOr, theResourceName, theParamName, myBuilder, join);
codePredicates.add(p);
}
Predicate orPredicates = myBuilder.or(toArray(codePredicates));
myPredicates.add(orPredicates);
}
private void addPredicateHas(List<List<? extends IQueryParameterType>> theHasParameters) {
for (List<? extends IQueryParameterType> nextOrList : theHasParameters) {
String targetResourceType = null;
String paramReference = null;
String parameterName = null;
String paramName = null;
List<QualifiedParamList> parameters = new ArrayList<>();
for (IQueryParameterType nextParam : nextOrList) {
HasParam next = (HasParam) nextParam;
targetResourceType = next.getTargetResourceType();
paramReference = next.getReferenceFieldName();
parameterName = next.getParameterName();
paramName = parameterName.replaceAll("\\..*", "");
parameters.add(QualifiedParamList.singleton(paramName, next.getValueAsQueryToken(myContext)));
}
if (paramName == null) {
continue;
}
RuntimeResourceDefinition targetResourceDefinition;
try {
targetResourceDefinition = myContext.getResourceDefinition(targetResourceType);
} catch (DataFormatException e) {
throw new InvalidRequestException("Invalid resource type: " + targetResourceType);
}
assert parameterName != null;
RuntimeSearchParam owningParameterDef = mySearchParamRegistry.getSearchParamByName(targetResourceDefinition, paramName);
if (owningParameterDef == null) {
throw new InvalidRequestException("Unknown parameter name: " + targetResourceType + ':' + parameterName);
}
owningParameterDef = mySearchParamRegistry.getSearchParamByName(targetResourceDefinition, paramReference);
if (owningParameterDef == null) {
throw new InvalidRequestException("Unknown parameter name: " + targetResourceType + ':' + paramReference);
}
RuntimeSearchParam paramDef = mySearchParamRegistry.getSearchParamByName(targetResourceDefinition, paramName);
IQueryParameterAnd<IQueryParameterOr<IQueryParameterType>> parsedParam = (IQueryParameterAnd<IQueryParameterOr<IQueryParameterType>>) ParameterUtil.parseQueryParams(myContext, paramDef, paramName, parameters);
ArrayList<IQueryParameterType> orValues = Lists.newArrayList();
for (IQueryParameterOr<IQueryParameterType> next : parsedParam.getValuesAsQueryTokens()) {
orValues.addAll(next.getValuesAsQueryTokens());
}
Subquery<Long> subQ = createLinkSubquery(true, parameterName, targetResourceType, orValues);
Join<ResourceTable, ResourceLink> join = myResourceTableRoot.join("myResourceLinksAsTarget", JoinType.LEFT);
Predicate pathPredicate = createResourceLinkPathPredicate(targetResourceType, paramReference, join);
Predicate pidPredicate = join.get("mySourceResourcePid").in(subQ);
Predicate andPredicate = myBuilder.and(pathPredicate, pidPredicate);
myPredicates.add(andPredicate);
}
}
private void addPredicateLanguage(List<List<? extends IQueryParameterType>> theList) {
for (List<? extends IQueryParameterType> nextList : theList) {
Set<String> values = new HashSet<>();
for (IQueryParameterType next : nextList) {
if (next instanceof StringParam) {
String nextValue = ((StringParam) next).getValue();
if (isBlank(nextValue)) {
continue;
}
values.add(nextValue);
} else {
throw new InternalErrorException("Lanugage parameter must be of type " + StringParam.class.getCanonicalName() + " - Got " + next.getClass().getCanonicalName());
}
}
if (values.isEmpty()) {
continue;
}
Predicate predicate = myResourceTableRoot.get("myLanguage").as(String.class).in(values);
myPredicates.add(predicate);
}
}
private void addPredicateNumber(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
Join<ResourceTable, ResourceIndexedSearchParamNumber> join = createOrReuseJoin(JoinEnum.NUMBER, theParamName);
if (theList.get(0).getMissing() != null) {
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing(), join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
if (nextOr instanceof NumberParam) {
NumberParam param = (NumberParam) nextOr;
BigDecimal value = param.getValue();
if (value == null) {
continue;
}
final Expression<BigDecimal> fromObj = join.get("myValue");
ParamPrefixEnum prefix = ObjectUtils.defaultIfNull(param.getPrefix(), ParamPrefixEnum.EQUAL);
String invalidMessageName = "invalidNumberPrefix";
Predicate predicateNumeric = createPredicateNumeric(theResourceName, theParamName, join, myBuilder, nextOr, prefix, value, fromObj, invalidMessageName);
Predicate predicateOuter = combineParamIndexPredicateWithParamNamePredicate(theResourceName, theParamName, join, predicateNumeric);
codePredicates.add(predicateOuter);
} else {
throw new IllegalArgumentException("Invalid token type: " + nextOr.getClass());
}
}
myPredicates.add(myBuilder.or(toArray(codePredicates)));
}
private void addPredicateParamMissing(String theResourceName, String theParamName, boolean theMissing) {
// if (myDontUseHashesForSearch) {
// Join<ResourceTable, SearchParamPresent> paramPresentJoin = myResourceTableRoot.join("mySearchParamPresents", JoinType.LEFT);
// Join<Object, Object> paramJoin = paramPresentJoin.join("mySearchParam", JoinType.LEFT);
//
// myPredicates.add(myBuilder.equal(paramJoin.get("myResourceName"), theResourceName));
// myPredicates.add(myBuilder.equal(paramJoin.get("myParamName"), theParamName));
// myPredicates.add(myBuilder.equal(paramPresentJoin.get("myPresent"), !theMissing));
// }
Join<ResourceTable, SearchParamPresent> paramPresentJoin = myResourceTableRoot.join("mySearchParamPresents", JoinType.LEFT);
Expression<Long> hashPresence = paramPresentJoin.get("myHashPresence").as(Long.class);
Long hash = SearchParamPresent.calculateHashPresence(theResourceName, theParamName, !theMissing);
myPredicates.add(myBuilder.equal(hashPresence, hash));
}
private void addPredicateParamMissing(String theResourceName, String theParamName, boolean theMissing, Join<ResourceTable, ? extends BaseResourceIndexedSearchParam> theJoin) {
myPredicates.add(myBuilder.equal(theJoin.get("myResourceType"), theResourceName));
myPredicates.add(myBuilder.equal(theJoin.get("myParamName"), theParamName));
myPredicates.add(myBuilder.equal(theJoin.get("myMissing"), theMissing));
}
private void addPredicateQuantity(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
Join<ResourceTable, ResourceIndexedSearchParamQuantity> join = createOrReuseJoin(JoinEnum.QUANTITY, theParamName);
if (theList.get(0).getMissing() != null) {
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing(), join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
Predicate singleCode = createPredicateQuantity(nextOr, theResourceName, theParamName, myBuilder, join);
codePredicates.add(singleCode);
}
myPredicates.add(myBuilder.or(toArray(codePredicates)));
}
/**
* Add reference predicate to the current search
*/
private void addPredicateReference(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
assert theParamName.contains(".") == false;
if (theList.get(0).getMissing() != null) {
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing());
return;
}
Join<ResourceTable, ResourceLink> join = createOrReuseJoin(JoinEnum.REFERENCE, theParamName);
List<Predicate> codePredicates = new ArrayList<>();
for (int orIdx = 0; orIdx < theList.size(); orIdx++) {
IQueryParameterType nextOr = theList.get(orIdx);
if (nextOr instanceof ReferenceParam) {
ReferenceParam ref = (ReferenceParam) nextOr;
if (isBlank(ref.getChain())) {
IIdType dt = new IdDt(ref.getBaseUrl(), ref.getResourceType(), ref.getIdPart(), null);
if (dt.hasBaseUrl()) {
if (myDaoConfig.getTreatBaseUrlsAsLocal().contains(dt.getBaseUrl())) {
dt = dt.toUnqualified();
} else {
ourLog.debug("Searching for resource link with target URL: {}", dt.getValue());
Predicate eq = myBuilder.equal(join.get("myTargetResourceUrl"), dt.getValue());
codePredicates.add(eq);
continue;
}
}
List<Long> targetPid;
try {
targetPid = myIdHelperService.translateForcedIdToPids(dt);
} catch (ResourceNotFoundException e) {
// Use a PID that will never exist
targetPid = Collections.singletonList(-1L);
}
for (Long next : targetPid) {
ourLog.debug("Searching for resource link with target PID: {}", next);
Predicate pathPredicate = createResourceLinkPathPredicate(theResourceName, theParamName, join);
Predicate pidPredicate = myBuilder.equal(join.get("myTargetResourcePid"), next);
codePredicates.add(myBuilder.and(pathPredicate, pidPredicate));
}
} else {
final List<Class<? extends IBaseResource>> resourceTypes;
String resourceId;
if (!ref.getValue().matches("[a-zA-Z]+/.*")) {
RuntimeSearchParam param = mySearchParamRegistry.getActiveSearchParam(theResourceName, theParamName);
resourceTypes = new ArrayList<>();
Set<String> targetTypes = param.getTargets();
if (targetTypes != null && !targetTypes.isEmpty()) {
for (String next : targetTypes) {
resourceTypes.add(myContext.getResourceDefinition(next).getImplementingClass());
}
}
if (resourceTypes.isEmpty()) {
RuntimeResourceDefinition resourceDef = myContext.getResourceDefinition(theResourceName);
RuntimeSearchParam searchParamByName = mySearchParamRegistry.getSearchParamByName(resourceDef, theParamName);
if (searchParamByName == null) {
throw new InternalErrorException("Could not find parameter " + theParamName);
}
String paramPath = searchParamByName.getPath();
if (paramPath.endsWith(".as(Reference)")) {
paramPath = paramPath.substring(0, paramPath.length() - ".as(Reference)".length()) + "Reference";
}
if (paramPath.contains(".extension(")) {
int startIdx = paramPath.indexOf(".extension(");
int endIdx = paramPath.indexOf(')', startIdx);
if (startIdx != -1 && endIdx != -1) {
paramPath = paramPath.substring(0, startIdx + 10) + paramPath.substring(endIdx + 1);
}
}
BaseRuntimeChildDefinition def = myContext.newTerser().getDefinition(myResourceType, paramPath);
if (def instanceof RuntimeChildChoiceDefinition) {
RuntimeChildChoiceDefinition choiceDef = (RuntimeChildChoiceDefinition) def;
resourceTypes.addAll(choiceDef.getResourceTypes());
} else if (def instanceof RuntimeChildResourceDefinition) {
RuntimeChildResourceDefinition resDef = (RuntimeChildResourceDefinition) def;
resourceTypes.addAll(resDef.getResourceTypes());
if (resourceTypes.size() == 1) {
if (resourceTypes.get(0).isInterface()) {
throw new InvalidRequestException("Unable to perform search for unqualified chain '" + theParamName + "' as this SearchParameter does not declare any target types. Add a qualifier of the form '" + theParamName + ":[ResourceType]' to perform this search.");
}
}
} else {
throw new ConfigurationException("Property " + paramPath + " of type " + myResourceName + " is not a resource: " + def.getClass());
}
}
if (resourceTypes.isEmpty()) {
for (BaseRuntimeElementDefinition<?> next : myContext.getElementDefinitions()) {
if (next instanceof RuntimeResourceDefinition) {
RuntimeResourceDefinition nextResDef = (RuntimeResourceDefinition) next;
resourceTypes.add(nextResDef.getImplementingClass());
}
}
}
resourceId = ref.getValue();
} else {
try {
RuntimeResourceDefinition resDef = myContext.getResourceDefinition(ref.getResourceType());
resourceTypes = new ArrayList<>(1);
resourceTypes.add(resDef.getImplementingClass());
resourceId = ref.getIdPart();
} catch (DataFormatException e) {
throw new InvalidRequestException("Invalid resource type: " + ref.getResourceType());
}
}
boolean foundChainMatch = false;
for (Class<? extends IBaseResource> nextType : resourceTypes) {
String chain = ref.getChain();
String remainingChain = null;
int chainDotIndex = chain.indexOf('.');
if (chainDotIndex != -1) {
remainingChain = chain.substring(chainDotIndex + 1);
chain = chain.substring(0, chainDotIndex);
}
RuntimeResourceDefinition typeDef = myContext.getResourceDefinition(nextType);
String subResourceName = typeDef.getName();
IFhirResourceDao<?> dao = myCallingDao.getDao(nextType);
if (dao == null) {
ourLog.debug("Don't have a DAO for type {}", nextType.getSimpleName());
continue;
}
int qualifierIndex = chain.indexOf(':');
String qualifier = null;
if (qualifierIndex != -1) {
qualifier = chain.substring(qualifierIndex);
chain = chain.substring(0, qualifierIndex);
}
boolean isMeta = ResourceMetaParams.RESOURCE_META_PARAMS.containsKey(chain);
RuntimeSearchParam param = null;
if (!isMeta) {
param = mySearchParamRegistry.getSearchParamByName(typeDef, chain);
if (param == null) {
ourLog.debug("Type {} doesn't have search param {}", nextType.getSimpleName(), param);
continue;
}
}
ArrayList<IQueryParameterType> orValues = Lists.newArrayList();
for (IQueryParameterType next : theList) {
String nextValue = next.getValueAsQueryToken(myContext);
IQueryParameterType chainValue = mapReferenceChainToRawParamType(remainingChain, param, theParamName, qualifier, nextType, chain, isMeta, nextValue);
if (chainValue == null) {
continue;
}
foundChainMatch = true;
orValues.add(chainValue);
}
Subquery<Long> subQ = createLinkSubquery(foundChainMatch, chain, subResourceName, orValues);
Predicate pathPredicate = createResourceLinkPathPredicate(theResourceName, theParamName, join);
Predicate pidPredicate = join.get("myTargetResourcePid").in(subQ);
Predicate andPredicate = myBuilder.and(pathPredicate, pidPredicate);
codePredicates.add(andPredicate);
}
if (!foundChainMatch) {
throw new InvalidRequestException(myContext.getLocalizer().getMessage(BaseHapiFhirResourceDao.class, "invalidParameterChain", theParamName + '.' + ref.getChain()));
}
myPredicates.add(myBuilder.or(toArray(codePredicates)));
return;
}
} else {
throw new IllegalArgumentException("Invalid token type (expecting ReferenceParam): " + nextOr.getClass());
}
}
myPredicates.add(myBuilder.or(toArray(codePredicates)));
}
private Subquery<Long> createLinkSubquery(boolean theFoundChainMatch, String theChain, String theSubResourceName, List<IQueryParameterType> theOrValues) {
Subquery<Long> subQ = myResourceTableQuery.subquery(Long.class);
Root<ResourceTable> subQfrom = subQ.from(ResourceTable.class);
subQ.select(subQfrom.get("myId").as(Long.class));
List<List<? extends IQueryParameterType>> andOrParams = new ArrayList<>();
andOrParams.add(theOrValues);
/*
* We're doing a chain call, so push the current query root
* and predicate list down and put new ones at the top of the
* stack and run a subquery
*/
Root<ResourceTable> stackRoot = myResourceTableRoot;
ArrayList<Predicate> stackPredicates = myPredicates;
Map<JoinKey, Join<?, ?>> stackIndexJoins = myIndexJoins;
myResourceTableRoot = subQfrom;
myPredicates = Lists.newArrayList();
myIndexJoins = Maps.newHashMap();
// Create the subquery predicates
myPredicates.add(myBuilder.equal(myResourceTableRoot.get("myResourceType"), theSubResourceName));
myPredicates.add(myBuilder.isNull(myResourceTableRoot.get("myDeleted")));
if (theFoundChainMatch) {
searchForIdsWithAndOr(theSubResourceName, theChain, andOrParams);
subQ.where(toArray(myPredicates));
}
/*
* Pop the old query root and predicate list back
*/
myResourceTableRoot = stackRoot;
myPredicates = stackPredicates;
myIndexJoins = stackIndexJoins;
return subQ;
}
private IQueryParameterType mapReferenceChainToRawParamType(String remainingChain, RuntimeSearchParam param, String theParamName, String qualifier, Class<? extends IBaseResource> nextType, String chain, boolean isMeta, String resourceId) {
IQueryParameterType chainValue;
if (remainingChain != null) {
if (param == null || param.getParamType() != RestSearchParameterTypeEnum.REFERENCE) {
ourLog.debug("Type {} parameter {} is not a reference, can not chain {}", nextType.getSimpleName(), chain, remainingChain);
return null;
}
chainValue = new ReferenceParam();
chainValue.setValueAsQueryToken(myContext, theParamName, qualifier, resourceId);
((ReferenceParam) chainValue).setChain(remainingChain);
} else if (isMeta) {
IQueryParameterType type = myMatchUrlService.newInstanceType(chain);
type.setValueAsQueryToken(myContext, theParamName, qualifier, resourceId);
chainValue = type;
} else {
chainValue = toParameterType(param, qualifier, resourceId);
}
return chainValue;
}
private void addPredicateResourceId(List<List<? extends IQueryParameterType>> theValues) {
for (List<? extends IQueryParameterType> nextValue : theValues) {
Set<Long> orPids = new HashSet<>();
for (IQueryParameterType next : nextValue) {
String value = next.getValueAsQueryToken(myContext);
if (value != null && value.startsWith("|")) {
value = value.substring(1);
}
IdDt valueAsId = new IdDt(value);
if (isNotBlank(value)) {
if (valueAsId.isIdPartValidLong()) {
orPids.add(valueAsId.getIdPartAsLong());
} else {
try {
BaseHasResource entity = myCallingDao.readEntity(valueAsId);
if (entity.getDeleted() == null) {
orPids.add(entity.getId());
}
} catch (ResourceNotFoundException e) {
/*
* This isn't an error, just means no result found
* that matches the ID the client provided
*/
}
}
}
}
if (orPids.size() > 0) {
Predicate nextPredicate = myResourceTableRoot.get("myId").as(Long.class).in(orPids);
myPredicates.add(nextPredicate);
} else {
// This will never match
Predicate nextPredicate = myBuilder.equal(myResourceTableRoot.get("myId").as(Long.class), -1);
myPredicates.add(nextPredicate);
}
}
}
private void addPredicateString(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
Join<ResourceTable, ResourceIndexedSearchParamString> join = createOrReuseJoin(JoinEnum.STRING, theParamName);
if (theList.get(0).getMissing() != null) {
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing(), join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
Predicate singleCode = createPredicateString(nextOr, theResourceName, theParamName, myBuilder, join);
codePredicates.add(singleCode);
}
myPredicates.add(myBuilder.or(toArray(codePredicates)));
}
private void addPredicateTag(List<List<? extends IQueryParameterType>> theList, String theParamName) {
TagTypeEnum tagType;
if (Constants.PARAM_TAG.equals(theParamName)) {
tagType = TagTypeEnum.TAG;
} else if (Constants.PARAM_PROFILE.equals(theParamName)) {
tagType = TagTypeEnum.PROFILE;
} else if (Constants.PARAM_SECURITY.equals(theParamName)) {
tagType = TagTypeEnum.SECURITY_LABEL;
} else {
throw new IllegalArgumentException("Param name: " + theParamName); // shouldn't happen
}
List<Pair<String, String>> notTags = Lists.newArrayList();
for (List<? extends IQueryParameterType> nextAndParams : theList) {
for (IQueryParameterType nextOrParams : nextAndParams) {
if (nextOrParams instanceof TokenParam) {
TokenParam param = (TokenParam) nextOrParams;
if (param.getModifier() == TokenParamModifier.NOT) {
if (isNotBlank(param.getSystem()) || isNotBlank(param.getValue())) {
notTags.add(Pair.of(param.getSystem(), param.getValue()));
}
}
}
}
}
/*
* We have a parameter of ResourceType?_tag:not=foo This means match resources that don't have the given tag(s)
*/
if (notTags.isEmpty() == false) {
// CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
// CriteriaQuery<Long> cq = builder.createQuery(Long.class);
// Root<ResourceTable> from = cq.from(ResourceTable.class);
// cq.select(from.get("myId").as(Long.class));
//
// Subquery<Long> subQ = cq.subquery(Long.class);
// Root<ResourceTag> subQfrom = subQ.from(ResourceTag.class);
// subQ.select(subQfrom.get("myResourceId").as(Long.class));
// Predicate subQname = builder.equal(subQfrom.get("myParamName"), theParamName);
// Predicate subQtype = builder.equal(subQfrom.get("myResourceType"), myResourceName);
// subQ.where(builder.and(subQtype, subQname));
//
// List<Predicate> predicates = new ArrayList<Predicate>();
// predicates.add(builder.not(builder.in(from.get("myId")).value(subQ)));
// predicates.add(builder.equal(from.get("myResourceType"), myResourceName));
// predicates.add(builder.isNull(from.get("myDeleted")));
// createPredicateResourceId(builder, cq, predicates, from.get("myId").as(Long.class));
}
for (List<? extends IQueryParameterType> nextAndParams : theList) {
boolean haveTags = false;
for (IQueryParameterType nextParamUncasted : nextAndParams) {
if (nextParamUncasted instanceof TokenParam) {
TokenParam nextParam = (TokenParam) nextParamUncasted;
if (isNotBlank(nextParam.getValue())) {
haveTags = true;
} else if (isNotBlank(nextParam.getSystem())) {
throw new InvalidRequestException("Invalid " + theParamName + " parameter (must supply a value/code and not just a system): " + nextParam.getValueAsQueryToken(myContext));
}
} else {
UriParam nextParam = (UriParam) nextParamUncasted;
if (isNotBlank(nextParam.getValue())) {
haveTags = true;
}
}
}
if (!haveTags) {
continue;
}
boolean paramInverted = false;
List<Pair<String, String>> tokens = Lists.newArrayList();
for (IQueryParameterType nextOrParams : nextAndParams) {
String code;
String system;
if (nextOrParams instanceof TokenParam) {
TokenParam nextParam = (TokenParam) nextOrParams;
code = nextParam.getValue();
system = nextParam.getSystem();
if (nextParam.getModifier() == TokenParamModifier.NOT) {
paramInverted = true;
}
} else {
UriParam nextParam = (UriParam) nextOrParams;
code = nextParam.getValue();
system = null;
}
if (isNotBlank(code)) {
tokens.add(Pair.of(system, code));
}
}
if (tokens.isEmpty()) {
continue;
}
if (paramInverted) {
ourLog.debug("Searching for _tag:not");
Subquery<Long> subQ = myResourceTableQuery.subquery(Long.class);
Root<ResourceTag> subQfrom = subQ.from(ResourceTag.class);
subQ.select(subQfrom.get("myResourceId").as(Long.class));
myPredicates.add(myBuilder.not(myBuilder.in(myResourceTableRoot.get("myId")).value(subQ)));
Subquery<Long> defJoin = subQ.subquery(Long.class);
Root<TagDefinition> defJoinFrom = defJoin.from(TagDefinition.class);
defJoin.select(defJoinFrom.get("myId").as(Long.class));
subQ.where(subQfrom.get("myTagId").as(Long.class).in(defJoin));
List<Predicate> orPredicates = createPredicateTagList(defJoinFrom, myBuilder, tagType, tokens);
defJoin.where(toArray(orPredicates));
continue;
}
Join<ResourceTable, ResourceTag> tagJoin = myResourceTableRoot.join("myTags", JoinType.LEFT);
From<ResourceTag, TagDefinition> defJoin = tagJoin.join("myTag");
List<Predicate> orPredicates = createPredicateTagList(defJoin, myBuilder, tagType, tokens);
myPredicates.add(myBuilder.or(toArray(orPredicates)));
}
}
private void addPredicateToken(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
if (theList.get(0).getMissing() != null) {
Join<ResourceTable, ResourceIndexedSearchParamToken> join = createOrReuseJoin(JoinEnum.TOKEN, theParamName);
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing(), join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
Join<ResourceTable, ResourceIndexedSearchParamToken> join = null;
List<IQueryParameterType> tokens = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
if (nextOr instanceof TokenParam) {
TokenParam id = (TokenParam) nextOr;
if (id.isText()) {
addPredicateString(theResourceName, theParamName, theList);
break;
}
}
if (join == null) {
join = createOrReuseJoin(JoinEnum.TOKEN, theParamName);
}
tokens.add(nextOr);
}
if (tokens.isEmpty()) {
return;
}
List<Predicate> singleCode = createPredicateToken(tokens, theResourceName, theParamName, myBuilder, join);
codePredicates.addAll(singleCode);
Predicate spPredicate = myBuilder.or(toArray(codePredicates));
myPredicates.add(spPredicate);
}
private void addPredicateUri(String theResourceName, String theParamName, List<? extends IQueryParameterType> theList) {
Join<ResourceTable, ResourceIndexedSearchParamUri> join = createOrReuseJoin(JoinEnum.URI, theParamName);
if (theList.get(0).getMissing() != null) {
addPredicateParamMissing(theResourceName, theParamName, theList.get(0).getMissing(), join);
return;
}
List<Predicate> codePredicates = new ArrayList<>();
for (IQueryParameterType nextOr : theList) {
if (nextOr instanceof UriParam) {
UriParam param = (UriParam) nextOr;
String value = param.getValue();
if (value == null) {
continue;
}
if (param.getQualifier() == UriParamQualifierEnum.ABOVE) {
/*
* :above is an inefficient query- It means that the user is supplying a more specific URL (say
* http://example.com/foo/bar/baz) and that we should match on any URLs that are less
* specific but otherwise the same. For example http://example.com and http://example.com/foo would both
* match.
*
* We do this by querying the DB for all candidate URIs and then manually checking each one. This isn't
* very efficient, but this is also probably not a very common type of query to do.
*
* If we ever need to make this more efficient, lucene could certainly be used as an optimization.
*/
ourLog.info("Searching for candidate URI:above parameters for Resource[{}] param[{}]", myResourceName, theParamName);
Collection<String> candidates = myResourceIndexedSearchParamUriDao.findAllByResourceTypeAndParamName(myResourceName, theParamName);
List<String> toFind = new ArrayList<>();
for (String next : candidates) {
if (value.length() >= next.length()) {
if (value.substring(0, next.length()).equals(next)) {
toFind.add(next);
}
}
}
if (toFind.isEmpty()) {
continue;
}
Predicate uriPredicate = join.get("myUri").as(String.class).in(toFind);
Predicate hashAndUriPredicate = combineParamIndexPredicateWithParamNamePredicate(theResourceName, theParamName, join, uriPredicate);
codePredicates.add(hashAndUriPredicate);
} else if (param.getQualifier() == UriParamQualifierEnum.BELOW) {
Predicate uriPredicate = myBuilder.like(join.get("myUri").as(String.class), createLeftMatchLikeExpression(value));
Predicate hashAndUriPredicate = combineParamIndexPredicateWithParamNamePredicate(theResourceName, theParamName, join, uriPredicate);
codePredicates.add(hashAndUriPredicate);
} else {
if (myDontUseHashesForSearch) {
Predicate predicate = myBuilder.equal(join.get("myUri").as(String.class), value);
codePredicates.add(predicate);
} else {
long hashUri = ResourceIndexedSearchParamUri.calculateHashUri(theResourceName, theParamName, value);
Predicate hashPredicate = myBuilder.equal(join.get("myHashUri"), hashUri);
codePredicates.add(hashPredicate);
}
}
} else {
throw new IllegalArgumentException("Invalid URI type: " + nextOr.getClass());
}
}
/*
* If we haven't found any of the requested URIs in the candidates, then we'll
* just add a predicate that can never match
*/
if (codePredicates.isEmpty()) {
Predicate predicate = myBuilder.isNull(join.get("myMissing").as(String.class));
myPredicates.add(predicate);
return;
}
Predicate orPredicate = myBuilder.or(toArray(codePredicates));
myPredicates.add(orPredicate);
}
private Predicate combineParamIndexPredicateWithParamNamePredicate(String theResourceName, String theParamName, From<?, ? extends BaseResourceIndexedSearchParam> theFrom, Predicate thePredicate) {
if (myDontUseHashesForSearch) {
Predicate resourceTypePredicate = myBuilder.equal(theFrom.get("myResourceType"), theResourceName);
Predicate paramNamePredicate = myBuilder.equal(theFrom.get("myParamName"), theParamName);
Predicate outerPredicate = myBuilder.and(resourceTypePredicate, paramNamePredicate, thePredicate);
return outerPredicate;
}
long hashIdentity = BaseResourceIndexedSearchParam.calculateHashIdentity(theResourceName, theParamName);
Predicate hashIdentityPredicate = myBuilder.equal(theFrom.get("myHashIdentity"), hashIdentity);
return myBuilder.and(hashIdentityPredicate, thePredicate);
}
private Predicate createCompositeParamPart(String theResourceName, Root<ResourceTable> theRoot, RuntimeSearchParam theParam, IQueryParameterType leftValue) {
Predicate retVal = null;
switch (theParam.getParamType()) {
case STRING: {
From<ResourceIndexedSearchParamString, ResourceIndexedSearchParamString> stringJoin = theRoot.join("myParamsString", JoinType.INNER);
retVal = createPredicateString(leftValue, theResourceName, theParam.getName(), myBuilder, stringJoin);
break;
}
case TOKEN: {
From<ResourceIndexedSearchParamToken, ResourceIndexedSearchParamToken> tokenJoin = theRoot.join("myParamsToken", JoinType.INNER);
List<IQueryParameterType> tokens = Collections.singletonList(leftValue);
List<Predicate> tokenPredicates = createPredicateToken(tokens, theResourceName, theParam.getName(), myBuilder, tokenJoin);
retVal = myBuilder.and(tokenPredicates.toArray(new Predicate[0]));
break;
}
case DATE: {
From<ResourceIndexedSearchParamDate, ResourceIndexedSearchParamDate> dateJoin = theRoot.join("myParamsDate", JoinType.INNER);
retVal = createPredicateDate(leftValue, theResourceName, theParam.getName(), myBuilder, dateJoin);
break;
}
case QUANTITY: {
From<ResourceIndexedSearchParamQuantity, ResourceIndexedSearchParamQuantity> dateJoin = theRoot.join("myParamsQuantity", JoinType.INNER);
retVal = createPredicateQuantity(leftValue, theResourceName, theParam.getName(), myBuilder, dateJoin);
break;