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remove unused interface QueryPlanCache

This commit is contained in:
Gavin King 2023-06-25 15:43:15 +02:00
parent d6ffb75251
commit f13b6cc16b
4 changed files with 4 additions and 48 deletions
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5
hibernate-core/src/main/java/org/hibernate/cfg/AvailableSettings.java
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@ -1593,7 +1593,7 @@ public interface AvailableSettings {
/** /**
* When enabled, specifies that {@linkplain QueryPlan query plans} should be * When enabled, specifies that {@linkplain QueryPlan query plans} should be
* {@linkplain org.hibernate.query.spi.QueryPlanCache cached}. * {@linkplain org.hibernate.query.spi.QueryInterpretationCache cached}.
* <p> * <p>
* By default, the query plan cache is disabled, unless one of the configuration * By default, the query plan cache is disabled, unless one of the configuration
* properties {@value #QUERY_PLAN_CACHE_MAX_SIZE} or * properties {@value #QUERY_PLAN_CACHE_MAX_SIZE} or
@ -1603,14 +1603,13 @@ public interface AvailableSettings {
/** /**
* The maximum number of entries in the * The maximum number of entries in the
* {@linkplain org.hibernate.query.spi.QueryPlanCache query plan cache} or
* {@linkplain org.hibernate.query.spi.QueryInterpretationCache * {@linkplain org.hibernate.query.spi.QueryInterpretationCache
* query interpretation cache}. * query interpretation cache}.
* <p> * <p>
* The default maximum is * The default maximum is
* {@value org.hibernate.query.spi.QueryEngine#DEFAULT_QUERY_PLAN_MAX_COUNT}. * {@value org.hibernate.query.spi.QueryEngine#DEFAULT_QUERY_PLAN_MAX_COUNT}.
* *
* @see org.hibernate.query.spi.QueryPlanCache * @see org.hibernate.query.spi.QueryInterpretationCache
*/ */
String QUERY_PLAN_CACHE_MAX_SIZE = "hibernate.query.plan_cache_max_size"; String QUERY_PLAN_CACHE_MAX_SIZE = "hibernate.query.plan_cache_max_size";

2
hibernate-core/src/main/java/org/hibernate/query/internal/QueryInterpretationCacheStandardImpl.java
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@ -45,7 +45,7 @@ public class QueryInterpretationCacheStandardImpl implements QueryInterpretation
private final Supplier<StatisticsImplementor> statisticsSupplier; private final Supplier<StatisticsImplementor> statisticsSupplier;
public QueryInterpretationCacheStandardImpl(int maxQueryPlanCount, Supplier<StatisticsImplementor> statisticsSupplier) { public QueryInterpretationCacheStandardImpl(int maxQueryPlanCount, Supplier<StatisticsImplementor> statisticsSupplier) {
log.debugf( "Starting QueryPlanCache(%s)", maxQueryPlanCount ); log.debugf( "Starting QueryInterpretationCache(%s)", maxQueryPlanCount );
this.queryPlanCache = new BoundedConcurrentHashMap<>( maxQueryPlanCount, 20, BoundedConcurrentHashMap.Eviction.LIRS ); this.queryPlanCache = new BoundedConcurrentHashMap<>( maxQueryPlanCount, 20, BoundedConcurrentHashMap.Eviction.LIRS );
this.hqlInterpretationCache = new BoundedConcurrentHashMap<>( maxQueryPlanCount, 20, BoundedConcurrentHashMap.Eviction.LIRS ); this.hqlInterpretationCache = new BoundedConcurrentHashMap<>( maxQueryPlanCount, 20, BoundedConcurrentHashMap.Eviction.LIRS );

1
hibernate-core/src/main/java/org/hibernate/query/spi/QueryInterpretationCache.java
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@ -16,6 +16,7 @@ import org.hibernate.query.sqm.tree.SqmStatement;
/** /**
* Cache for various parts of translating or interpreting queries. * Cache for various parts of translating or interpreting queries.
* *
* @see org.hibernate.cfg.AvailableSettings#QUERY_PLAN_CACHE_ENABLED
* @see org.hibernate.cfg.AvailableSettings#QUERY_PLAN_CACHE_MAX_SIZE * @see org.hibernate.cfg.AvailableSettings#QUERY_PLAN_CACHE_MAX_SIZE
* *
* @author Steve Ebersole * @author Steve Ebersole

44
hibernate-core/src/main/java/org/hibernate/query/spi/QueryPlanCache.java
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@ -1,44 +0,0 @@
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.query.spi;
import org.hibernate.query.sqm.tree.SqmStatement;
/**
* A cache for {@link QueryPlan}s used (and produced) by the translation
* and execution of a query.
*
* @see org.hibernate.cfg.AvailableSettings#QUERY_PLAN_CACHE_ENABLED
* @see org.hibernate.cfg.AvailableSettings#QUERY_PLAN_CACHE_MAX_SIZE
*
* @author Steve Ebersole
*/
public interface QueryPlanCache {
interface Key {
}
SelectQueryPlan getSelectQueryPlan(Key key);
void cacheSelectQueryPlan(Key key, SelectQueryPlan plan);
NonSelectQueryPlan getNonSelectQueryPlan(Key key);
void cacheNonSelectQueryPlan(Key key, NonSelectQueryPlan plan);
// todo (6.0) : create a SqmStatementCache ?
SqmStatement getSqmStatement(String queryString);
void cacheSqmStatement(String key, SqmStatement sqmStatement);
/**
* Close the cache when the SessionFactory is closed.
* <p>
* Note that depending on the cache strategy implementation chosen, clearing the cache might not reclaim all the
* memory.
* <p>
* Typically, when using LIRS, clearing the cache only invalidates the entries but the outdated entries are kept in
* memory until they are replaced by others. It is not considered a memory leak as the cache is bounded.
*/
void close();
}