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HHH-14745 Add FunctionContributor contract

This commit is contained in:
Karel Maesen 2021-07-24 17:46:43 +02:00 committed by Christian Beikov
parent 76df5a5f4b
commit 21dd7a35f1
3 changed files with 70 additions and 1 deletions
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24
hibernate-core/src/main/java/org/hibernate/boot/model/FunctionContributions.java Normal file
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@ -0,0 +1,24 @@
/*
* 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.boot.model;
import org.hibernate.query.sqm.function.SqmFunctionDescriptor;
/**
* Defines the target for contributing functions via {@link FunctionContributor}
*
* @author Karel Maesen
*/
public interface FunctionContributions {
/**
* Add the function under the specified name
* @param registrationKey the name under which to register the function
* @param function the function description
*/
void contributeFunction(String registrationKey, SqmFunctionDescriptor function);
}

34
hibernate-core/src/main/java/org/hibernate/boot/model/FunctionContributor.java Normal file
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@ -0,0 +1,34 @@
/*
* 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>.
*/
/*
* 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.boot.model;
import org.hibernate.query.sqm.function.SqmFunctionRegistry;
import org.hibernate.service.ServiceRegistry;
/**
* Contract for contributing functions
*
* @author Karel Maesen
*/
public interface FunctionContributor {
/**
* Contribute functions
*
* @param functionContributions The callback for contributing functions
* @param serviceRegistry The service registry
*/
void contributeTypes(FunctionContributions functionContributions, ServiceRegistry serviceRegistry);
}

13
hibernate-core/src/main/java/org/hibernate/query/spi/QueryEngine.java
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@ -7,6 +7,9 @@
package org.hibernate.query.spi;
import org.hibernate.Incubating;
import org.hibernate.boot.model.FunctionContributions;
import org.hibernate.boot.model.FunctionContributor;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.spi.BootstrapContext;
import org.hibernate.boot.spi.MetadataImplementor;
import org.hibernate.cfg.AvailableSettings;
@ -25,6 +28,7 @@ import org.hibernate.query.internal.QueryInterpretationCacheDisabledImpl;
import org.hibernate.query.internal.QueryInterpretationCacheStandardImpl;
import org.hibernate.query.named.NamedObjectRepository;
import org.hibernate.query.sqm.NodeBuilder;
import org.hibernate.query.sqm.function.SqmFunctionDescriptor;
import org.hibernate.query.sqm.function.SqmFunctionRegistry;
import org.hibernate.query.sqm.internal.SqmCreationOptionsStandard;
import org.hibernate.query.sqm.internal.SqmCriteriaNodeBuilder;
@ -127,6 +131,11 @@ public class QueryEngine {
userDefinedRegistry.overlay( sqmFunctionRegistry );
}
for ( FunctionContributor contributor : serviceRegistry.getService( ClassLoaderService.class )
.loadJavaServices( FunctionContributor.class ) ) {
contributor.contributeTypes( sqmFunctionRegistry::register, serviceRegistry );
}
final boolean showSQLFunctions = ConfigurationHelper.getBoolean(
AvailableSettings.SHOW_HQL_FUNCTIONS,
serviceRegistry.getService( ConfigurationService.class ).getSettings(),
@ -281,7 +290,9 @@ public class QueryEngine {
return new StandardSqmTranslatorFactory();
}
private static QueryInterpretationCache buildInterpretationCache(Supplier<StatisticsImplementor> statisticsSupplier, Map properties) {
private static QueryInterpretationCache buildInterpretationCache(
Supplier<StatisticsImplementor> statisticsSupplier,
Map properties) {
final boolean explicitUseCache = ConfigurationHelper.getBoolean(
AvailableSettings.QUERY_PLAN_CACHE_ENABLED,
properties,