org.hibernate.reactive.loader.hql.impl

Class ReactiveQueryLoader<T>

java.lang.Object

org.hibernate.loader.Loader

org.hibernate.loader.BasicLoader

org.hibernate.loader.hql.QueryLoader

org.hibernate.reactive.loader.hql.impl.ReactiveQueryLoader<T>

All Implemented Interfaces:

CachingReactiveLoader<T>, ReactiveLoader, ReactiveLoaderBasedLoader

public class ReactiveQueryLoader<T>
extends org.hibernate.loader.hql.QueryLoader
implements CachingReactiveLoader<T>, ReactiveLoaderBasedLoader

A reactive QueryLoader for HQL queries.

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.loader.Loader

org.hibernate.loader.Loader.SqlStatementWrapper

Field Summary

Fields inherited from class org.hibernate.loader.BasicLoader

NO_SUFFIX

Fields inherited from class org.hibernate.loader.Loader

LOG, SELECT, SELECT_DISTINCT

Fields inherited from interface org.hibernate.reactive.loader.CachingReactiveLoader

LOG

Constructor Summary

Constructors

Constructor and Description
ReactiveQueryLoader(org.hibernate.hql.internal.ast.QueryTranslatorImpl queryTranslator, org.hibernate.engine.spi.SessionFactoryImplementor factory, org.hibernate.hql.internal.ast.tree.SelectClause selectClause)

Method Summary

Modifier and Type	Method and Description
boolean	areResultSetRowsTransformedImmediately()
void	bindToPreparedStatement(java.sql.PreparedStatement adaptor, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.dialect.pagination.LimitHandler limitHandler, org.hibernate.engine.spi.SharedSessionContractImplementor session)
void	createSubselects(java.util.List keys, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.engine.spi.SharedSessionContractImplementor session)
void	endCollectionLoad(java.lang.Object resultSetId, org.hibernate.engine.spi.SharedSessionContractImplementor session, org.hibernate.persister.collection.CollectionPersister collectionPersister)
org.hibernate.persister.collection.CollectionPersister[]	getCollectionPersisters()
java.util.List<java.lang.Object>	getReactiveResultFromQueryCache(org.hibernate.engine.spi.SharedSessionContractImplementor session, org.hibernate.engine.spi.QueryParameters queryParameters, java.util.Set<java.io.Serializable> querySpaces, org.hibernate.type.Type[] resultTypes, org.hibernate.cache.spi.QueryResultsCache queryCache, org.hibernate.cache.spi.QueryKey key)
ReactiveResultSetProcessor	getReactiveResultSetProcessor()
java.util.List<java.lang.Object>	getResultList(java.util.List results, org.hibernate.transform.ResultTransformer resultTransformer)
java.lang.String[]	getResultRowAliases()
java.util.List<java.lang.Object>	getRowsFromResultSet(java.sql.ResultSet rs, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.engine.spi.SharedSessionContractImplementor session, boolean returnProxies, org.hibernate.transform.ResultTransformer forcedResultTransformer, int maxRows, java.util.List<java.lang.Object> hydratedObjects, java.util.List<org.hibernate.engine.spi.EntityKey[]> subselectResultKeys)
boolean[]	includeInResultRow()
boolean	isSubselectLoadingEnabled()
Parameters	parameters()
java.lang.String	preprocessSQL(java.lang.String sql, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.engine.spi.SessionFactoryImplementor factory, java.util.List<org.hibernate.loader.spi.AfterLoadAction> afterLoadActions) Used by query loaders to add stuff like locking and hints/comments
java.util.List<java.lang.Object>	processResultSet(java.sql.ResultSet resultSet, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.engine.spi.SharedSessionContractImplementor session, boolean returnProxies, org.hibernate.transform.ResultTransformer forcedResultTransformer, int maxRows, java.util.List<org.hibernate.loader.spi.AfterLoadAction> afterLoadActions)
void	putReactiveResultInQueryCache(org.hibernate.engine.spi.SharedSessionContractImplementor session, org.hibernate.engine.spi.QueryParameters queryParameters, org.hibernate.type.Type[] resultTypes, org.hibernate.cache.spi.QueryResultsCache queryCache, org.hibernate.cache.spi.QueryKey key, java.util.List<java.lang.Object> cachableList)
java.util.concurrent.CompletionStage<java.util.List<T>>	reactiveList(org.hibernate.engine.spi.SharedSessionContractImplementor session, org.hibernate.engine.spi.QueryParameters queryParameters)
protected java.util.concurrent.CompletionStage<java.util.List<T>>	reactiveList(org.hibernate.engine.spi.SharedSessionContractImplementor session, org.hibernate.engine.spi.QueryParameters queryParameters, java.util.Set<java.io.Serializable> querySpaces, org.hibernate.type.Type[] resultTypes) Return the query results, using the query cache, called by subclasses that implement cacheable queries
org.hibernate.transform.ResultTransformer	resolveResultTransformer(org.hibernate.transform.ResultTransformer resultTransformer)

Methods inherited from class org.hibernate.loader.hql.QueryLoader

applyLocks, applyPostLoadLocks, bindParameterValues, buildHolderInstantiator, checkQuery, getAggregatedSelectExpression, getAliases, getCollectionOwners, getCollectionSuffixes, getEntityEagerPerPropertyFetches, getEntityEagerPropertyFetches, getEntityPersisters, getLockModes, getNamedParameterLocs, getOwnerAssociationTypes, getOwners, getQueryIdentifier, getResultColumnOrRow, getResultRow, getSqlAliasSuffixes, getSQLString, getSuffixes, hasSelectNew, iterate, list, needsFetchingScroll, scroll, upgradeLocks, validateScrollability

Methods inherited from class org.hibernate.loader.BasicLoader

generateSuffixes, generateSuffixes, getCollectionAliases, getEntityAliases, postInstantiate

Methods inherited from class org.hibernate.loader.Loader

autoDiscoverTypes, bindNamedParameters, bindPositionalParameters, bindPreparedStatement, checkScrollability, createCacheableResultTransformer, determineFollowOnLockMode, doList, doQueryAndInitializeNonLazyCollections, doQueryAndInitializeNonLazyCollections, executeQueryStatement, executeQueryStatement, extractKeysFromResultSet, generateQueryKey, getCompositeKeyManyToOneTargetIndices, getEntityPersister, getFactory, getLimitHandler, getOptionalObjectKey, getResultFromQueryCache, getResultSet, getResultSet, handleEmptyCollections, hasSubselectLoadableCollections, instanceAlreadyLoaded, instanceNotYetLoaded, isSingleRowLoader, list, loadCollection, loadCollectionBatch, loadCollectionSubselect, loadEntity, loadEntity, loadEntityBatch, loadEntityBatch, loadSequentialRowsForward, loadSequentialRowsReverse, loadSingleRow, prepareQueryStatement, preprocessResultSet, processDistinctKeyword, putResultInQueryCache, registerNonExists, scroll, shouldUseFollowOnLocking, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.reactive.loader.CachingReactiveLoader

cacheableResultTransformer, doReactiveList, queryKey, reactiveListIgnoreQueryCache, reactiveListUsingQueryCache, toParameterArray, transform

Methods inherited from interface org.hibernate.reactive.loader.ReactiveLoaderBasedLoader

getEntityPersisters, getFactory

Methods inherited from interface org.hibernate.reactive.loader.ReactiveLoader

discoverTypes, doReactiveQueryAndInitializeNonLazyCollections, doReactiveQueryAndInitializeNonLazyCollections, executeReactiveQueryStatement, isPostgresSQL, limitHandler, reactiveProcessResultSet

Constructor Detail

ReactiveQueryLoader

public ReactiveQueryLoader(org.hibernate.hql.internal.ast.QueryTranslatorImpl queryTranslator,
                           org.hibernate.engine.spi.SessionFactoryImplementor factory,
                           org.hibernate.hql.internal.ast.tree.SelectClause selectClause)

Method Detail

parameters

public Parameters parameters()

Specified by:

parameters in interface ReactiveLoader

reactiveList

public java.util.concurrent.CompletionStage<java.util.List<T>> reactiveList(org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                                                            org.hibernate.engine.spi.QueryParameters queryParameters)
                                                                     throws org.hibernate.HibernateException

Throws:

org.hibernate.HibernateException

reactiveList

protected java.util.concurrent.CompletionStage<java.util.List<T>> reactiveList(org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                                                               org.hibernate.engine.spi.QueryParameters queryParameters,
                                                                               java.util.Set<java.io.Serializable> querySpaces,
                                                                               org.hibernate.type.Type[] resultTypes)
                                                                        throws org.hibernate.HibernateException

Return the query results, using the query cache, called by subclasses that implement cacheable queries

Throws:

org.hibernate.HibernateException

See Also:

Loader.list(SharedSessionContractImplementor, QueryParameters, Set, Type[])

processResultSet

public java.util.List<java.lang.Object> processResultSet(java.sql.ResultSet resultSet,
                                                         org.hibernate.engine.spi.QueryParameters queryParameters,
                                                         org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                                         boolean returnProxies,
                                                         org.hibernate.transform.ResultTransformer forcedResultTransformer,
                                                         int maxRows,
                                                         java.util.List<org.hibernate.loader.spi.AfterLoadAction> afterLoadActions)

Overrides:

processResultSet in class org.hibernate.loader.Loader

getReactiveResultSetProcessor

public ReactiveResultSetProcessor getReactiveResultSetProcessor()

Specified by:

getReactiveResultSetProcessor in interface ReactiveLoader

preprocessSQL

public java.lang.String preprocessSQL(java.lang.String sql,
                                      org.hibernate.engine.spi.QueryParameters queryParameters,
                                      org.hibernate.engine.spi.SessionFactoryImplementor factory,
                                      java.util.List<org.hibernate.loader.spi.AfterLoadAction> afterLoadActions)

Description copied from interface: ReactiveLoader

Used by query loaders to add stuff like locking and hints/comments

Specified by:

preprocessSQL in interface ReactiveLoader

Overrides:

preprocessSQL in class org.hibernate.loader.Loader

See Also:

Loader.preprocessSQL(String, QueryParameters, SessionFactoryImplementor, List)

includeInResultRow

public boolean[] includeInResultRow()

Specified by:

includeInResultRow in interface CachingReactiveLoader<T>

Overrides:

includeInResultRow in class org.hibernate.loader.hql.QueryLoader

getReactiveResultFromQueryCache

public java.util.List<java.lang.Object> getReactiveResultFromQueryCache(org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                                                        org.hibernate.engine.spi.QueryParameters queryParameters,
                                                                        java.util.Set<java.io.Serializable> querySpaces,
                                                                        org.hibernate.type.Type[] resultTypes,
                                                                        org.hibernate.cache.spi.QueryResultsCache queryCache,
                                                                        org.hibernate.cache.spi.QueryKey key)

Specified by:

getReactiveResultFromQueryCache in interface CachingReactiveLoader<T>

putReactiveResultInQueryCache

public void putReactiveResultInQueryCache(org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                          org.hibernate.engine.spi.QueryParameters queryParameters,
                                          org.hibernate.type.Type[] resultTypes,
                                          org.hibernate.cache.spi.QueryResultsCache queryCache,
                                          org.hibernate.cache.spi.QueryKey key,
                                          java.util.List<java.lang.Object> cachableList)

Specified by:

putReactiveResultInQueryCache in interface CachingReactiveLoader<T>

resolveResultTransformer

public org.hibernate.transform.ResultTransformer resolveResultTransformer(org.hibernate.transform.ResultTransformer resultTransformer)

Specified by:

resolveResultTransformer in interface CachingReactiveLoader<T>

Overrides:

resolveResultTransformer in class org.hibernate.loader.hql.QueryLoader

getResultRowAliases

public java.lang.String[] getResultRowAliases()

Specified by:

getResultRowAliases in interface CachingReactiveLoader<T>

Overrides:

getResultRowAliases in class org.hibernate.loader.hql.QueryLoader

areResultSetRowsTransformedImmediately

public boolean areResultSetRowsTransformedImmediately()

Specified by:

areResultSetRowsTransformedImmediately in interface CachingReactiveLoader<T>

Overrides:

areResultSetRowsTransformedImmediately in class org.hibernate.loader.Loader

getResultList

public java.util.List<java.lang.Object> getResultList(java.util.List results,
                                                      org.hibernate.transform.ResultTransformer resultTransformer)
                                               throws org.hibernate.QueryException

Specified by:

getResultList in interface CachingReactiveLoader<T>

Overrides:

getResultList in class org.hibernate.loader.hql.QueryLoader

Throws:

org.hibernate.QueryException

bindToPreparedStatement

public void bindToPreparedStatement(java.sql.PreparedStatement adaptor,
                                    org.hibernate.engine.spi.QueryParameters queryParameters,
                                    org.hibernate.dialect.pagination.LimitHandler limitHandler,
                                    org.hibernate.engine.spi.SharedSessionContractImplementor session)
                             throws java.sql.SQLException

Specified by:

bindToPreparedStatement in interface CachingReactiveLoader<T>

Throws:

java.sql.SQLException

getCollectionPersisters

public org.hibernate.persister.collection.CollectionPersister[] getCollectionPersisters()

Specified by:

getCollectionPersisters in interface ReactiveLoaderBasedLoader

Overrides:

getCollectionPersisters in class org.hibernate.loader.hql.QueryLoader

isSubselectLoadingEnabled

public boolean isSubselectLoadingEnabled()

Specified by:

isSubselectLoadingEnabled in interface ReactiveLoaderBasedLoader

Overrides:

isSubselectLoadingEnabled in class org.hibernate.loader.hql.QueryLoader

getRowsFromResultSet

public java.util.List<java.lang.Object> getRowsFromResultSet(java.sql.ResultSet rs,
                                                             org.hibernate.engine.spi.QueryParameters queryParameters,
                                                             org.hibernate.engine.spi.SharedSessionContractImplementor session,
                                                             boolean returnProxies,
                                                             org.hibernate.transform.ResultTransformer forcedResultTransformer,
                                                             int maxRows,
                                                             java.util.List<java.lang.Object> hydratedObjects,
                                                             java.util.List<org.hibernate.engine.spi.EntityKey[]> subselectResultKeys)
                                                      throws java.sql.SQLException

Specified by:

getRowsFromResultSet in interface ReactiveLoaderBasedLoader

Overrides:

getRowsFromResultSet in class org.hibernate.loader.Loader

Throws:

java.sql.SQLException

createSubselects

public void createSubselects(java.util.List keys,
                             org.hibernate.engine.spi.QueryParameters queryParameters,
                             org.hibernate.engine.spi.SharedSessionContractImplementor session)

Specified by:

createSubselects in interface ReactiveLoaderBasedLoader

Overrides:

createSubselects in class org.hibernate.loader.Loader

endCollectionLoad

public void endCollectionLoad(java.lang.Object resultSetId,
                              org.hibernate.engine.spi.SharedSessionContractImplementor session,
                              org.hibernate.persister.collection.CollectionPersister collectionPersister)

Specified by:

endCollectionLoad in interface ReactiveLoaderBasedLoader

Overrides:

endCollectionLoad in class org.hibernate.loader.Loader