Package com.sap.cds.jdbc.hana.search

Class HanaSearchResolver

java.lang.Object

com.sap.cds.jdbc.generic.AbstractSearchResolver

com.sap.cds.jdbc.hana.search.HanaSearchResolver

All Implemented Interfaces:

SearchResolver

Direct Known Subclasses:

HanaSearchResolverUsingContains, HanaSearchResolverUsingScore

public abstract class HanaSearchResolver
extends AbstractSearchResolver

A SearchResolver implementation that renders a CONTAINS|SCORE function in an EXISTS subquery.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	HanaSearchResolver.SearchString

Field Summary

Fields inherited from class com.sap.cds.jdbc.generic.AbstractSearchResolver

config, locale, model

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HanaSearchResolver(DataStoreConfiguration config, CdsModel cdsModel, Locale locale)

Method Summary

Modifier and Type	Method	Description
static SearchResolver	forHexEngine(DataStoreConfiguration config, CdsModel cdsModel, Locale locale)
static HanaSearchResolver	forLegacyEngine(DataStoreConfiguration config, CdsModel cdsModel, Locale locale)
protected BigDecimal	fuzzinessThreshold()
protected boolean	fuzzySearch()
protected abstract void	handleLargeStringElement(Set<CqnElementRef> like, Map<CqnElementRef,CdsElement> scoreOrContains, CdsStructuredType targetType, CqnElementRef ref, CdsElement element)
protected abstract boolean	handleLocalizedElement(CdsStructuredType targetType, Set<CqnElementRef> like, Map<CqnElementRef,CdsElement> scoreOrContains, boolean languageGiven, CqnElementRef ref, CdsElement element)
protected abstract void	handleRegularElement(CdsStructuredType targetType, Set<CqnElementRef> like, Map<CqnElementRef,CdsElement> scoreOrContains, CqnElementRef ref, CdsElement element)
protected abstract void	handleToManyElements(CdsStructuredType targetType, Set<CqnElementRef> like, Map<CqnElementRef,CdsElement> scoreOrContains, boolean languageGiven, CqnElementRef ref, CdsElement element)
protected abstract boolean	needsPushToSubquery(CdsElement element)
protected void	resolve(CqnSelect select, CqnPredicate search, CdsStructuredType targetType, Collection<CqnElementRef> searchableRefs)
protected abstract CqnPredicate	searchToHana(Map<CqnElementRef,CdsElement> searchableRefs, CqnPredicate expression)
protected static HanaSearchResolver.SearchString	toSearchString(CqnPredicate expression, boolean fuzzy)

Methods inherited from class com.sap.cds.jdbc.generic.AbstractSearchResolver

addRefsViaLocalizedAssociation, allLocalizedElementsAreReachableViaLocalizedAssociation, anyRefViaCollectionAssociation, configuredSearchMode, defaultSearchMode, hasAliasedLocalizedElementsInView, isReachableViaLocalizedAssoc, isSearchable, localizedRef, navigatesToManyAssoc, pushDownToExistsSubquery, resolve, resolveUsingLocalizedAssociationWithLike, resolveUsingLocalizedViewWithLike, searchMode, wrapIntoInSubquery

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.sap.cds.jdbc.spi.SearchResolver

pushDownSearchToSubquery, resolve

Constructor Details

HanaSearchResolver

protected HanaSearchResolver(DataStoreConfiguration config,
 CdsModel cdsModel,
 Locale locale)

Method Details

forLegacyEngine

public static HanaSearchResolver forLegacyEngine(DataStoreConfiguration config,
 CdsModel cdsModel,
 Locale locale)

forHexEngine

public static SearchResolver forHexEngine(DataStoreConfiguration config,
 CdsModel cdsModel,
 Locale locale)

fuzzySearch

protected boolean fuzzySearch()

fuzzinessThreshold

protected BigDecimal fuzzinessThreshold()

resolve

protected void resolve(CqnSelect select,
 CqnPredicate search,
 CdsStructuredType targetType,
 Collection<CqnElementRef> searchableRefs)

Specified by:

resolve in class AbstractSearchResolver

handleLargeStringElement

protected abstract void handleLargeStringElement(Set<CqnElementRef> like,
 Map<CqnElementRef,CdsElement> scoreOrContains,
 CdsStructuredType targetType,
 CqnElementRef ref,
 CdsElement element)

handleLocalizedElement

protected abstract boolean handleLocalizedElement(CdsStructuredType targetType,
 Set<CqnElementRef> like,
 Map<CqnElementRef,CdsElement> scoreOrContains,
 boolean languageGiven,
 CqnElementRef ref,
 CdsElement element)

handleRegularElement

protected abstract void handleRegularElement(CdsStructuredType targetType,
 Set<CqnElementRef> like,
 Map<CqnElementRef,CdsElement> scoreOrContains,
 CqnElementRef ref,
 CdsElement element)

handleToManyElements

protected abstract void handleToManyElements(CdsStructuredType targetType,
 Set<CqnElementRef> like,
 Map<CqnElementRef,CdsElement> scoreOrContains,
 boolean languageGiven,
 CqnElementRef ref,
 CdsElement element)

toSearchString

protected static HanaSearchResolver.SearchString toSearchString(CqnPredicate expression,
 boolean fuzzy)

searchToHana

protected abstract CqnPredicate searchToHana(Map<CqnElementRef,CdsElement> searchableRefs,
 CqnPredicate expression)

needsPushToSubquery

protected abstract boolean needsPushToSubquery(CdsElement element)