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HHH-13993 Bootstrap analysis: avoid initializing many Dialect classes

This commit is contained in:
Sanne Grinovero 2020-04-24 22:21:01 +01:00
parent fcc5c150c0
commit bbdefc2487
5 changed files with 409 additions and 114 deletions
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281
hibernate-core/src/main/java/org/hibernate/boot/registry/selector/internal/DefaultDialectSelector.java Normal file
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@ -0,0 +1,281 @@
/*
* 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.registry.selector.internal;
import java.util.Objects;
import org.hibernate.dialect.CUBRIDDialect;
import org.hibernate.dialect.Cache71Dialect;
import org.hibernate.dialect.DB2390Dialect;
import org.hibernate.dialect.DB2390V8Dialect;
import org.hibernate.dialect.DB2400Dialect;
import org.hibernate.dialect.DB2400V7R3Dialect;
import org.hibernate.dialect.DB2Dialect;
import org.hibernate.dialect.DerbyTenFiveDialect;
import org.hibernate.dialect.DerbyTenSevenDialect;
import org.hibernate.dialect.DerbyTenSixDialect;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.FirebirdDialect;
import org.hibernate.dialect.FrontBaseDialect;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.dialect.HANAColumnStoreDialect;
import org.hibernate.dialect.HANARowStoreDialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.InformixDialect;
import org.hibernate.dialect.Ingres10Dialect;
import org.hibernate.dialect.Ingres9Dialect;
import org.hibernate.dialect.IngresDialect;
import org.hibernate.dialect.InterbaseDialect;
import org.hibernate.dialect.JDataStoreDialect;
import org.hibernate.dialect.MckoiDialect;
import org.hibernate.dialect.MimerSQLDialect;
import org.hibernate.dialect.MySQL57Dialect;
import org.hibernate.dialect.MySQL57InnoDBDialect;
import org.hibernate.dialect.MySQL5Dialect;
import org.hibernate.dialect.MySQL5InnoDBDialect;
import org.hibernate.dialect.MySQL8Dialect;
import org.hibernate.dialect.Oracle10gDialect;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.Oracle9iDialect;
import org.hibernate.dialect.PointbaseDialect;
import org.hibernate.dialect.PostgreSQL81Dialect;
import org.hibernate.dialect.PostgreSQL82Dialect;
import org.hibernate.dialect.PostgreSQL9Dialect;
import org.hibernate.dialect.PostgresPlusDialect;
import org.hibernate.dialect.ProgressDialect;
import org.hibernate.dialect.SAPDBDialect;
import org.hibernate.dialect.SQLServer2005Dialect;
import org.hibernate.dialect.SQLServer2008Dialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.dialect.Sybase11Dialect;
import org.hibernate.dialect.SybaseASE157Dialect;
import org.hibernate.dialect.SybaseASE15Dialect;
import org.hibernate.dialect.SybaseAnywhereDialect;
import org.hibernate.dialect.TeradataDialect;
import org.hibernate.dialect.TimesTenDialect;
public class DefaultDialectSelector implements LazyServiceResolver<Dialect> {
@Override
public Class<? extends Dialect> resolve(final String name) {
Objects.requireNonNull( name);
if ( name.isEmpty() ) {
return null;
}
//Let's organize all string matches in groups by first letter:
final char n = name.charAt( 0 );
switch ( n ) {
case 'C': return caseC( name );
case 'D': return caseD( name );
case 'F': return caseF( name );
case 'H': return caseH( name );
case 'I': return caseI( name );
case 'J': return caseJ( name );
case 'M': return caseM( name );
case 'O': return caseO( name );
case 'P': return caseP( name );
case 'S': return caseS( name );
case 'T': return caseT( name );
}
return null;
}
private static Class<? extends Dialect> caseC(final String name) {
if ( name.equals( "Cache71" ) ) {
return Cache71Dialect.class;
}
if ( name.equals( "CUBRID" ) ) {
return CUBRIDDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseD(final String name) {
if ( name.equals( "DB2" ) ) {
return DB2Dialect.class;
}
if ( name.equals( "DB2390" ) ) {
return DB2390Dialect.class;
}
if ( name.equals( "DB2390V8" ) ) {
return DB2390V8Dialect.class;
}
if ( name.equals( "DB2400" ) ) {
return DB2400Dialect.class;
}
if ( name.equals( "DB2400V7R3" ) ) {
return DB2400V7R3Dialect.class;
}
if ( name.equals( "DerbyTenFive" ) ) {
return DerbyTenFiveDialect.class;
}
if ( name.equals( "DerbyTenSix" ) ) {
return DerbyTenSixDialect.class;
}
if ( name.equals( "DerbyTenSeven" ) ) {
return DerbyTenSevenDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseF(final String name) {
if ( name.equals( "Firebird" ) ) {
return FirebirdDialect.class;
}
if ( name.equals( "FrontBase" ) ) {
return FrontBaseDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseH(final String name) {
if ( name.equals( "H2" ) ) {
return H2Dialect.class;
}
if ( name.equals( "HANAColumnStore" ) ) {
return HANAColumnStoreDialect.class;
}
if ( name.equals( "HANARowStore" ) ) {
return HANARowStoreDialect.class;
}
if ( name.equals( "HSQL" ) ) {
return HSQLDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseI(final String name) {
if ( name.equals( "Informix" ) ) {
return InformixDialect.class;
}
if ( name.equals( "Ingres" ) ) {
return IngresDialect.class;
}
if ( name.equals( "Ingres9" ) ) {
return Ingres9Dialect.class;
}
if ( name.equals( "Ingres10" ) ) {
return Ingres10Dialect.class;
}
if ( name.equals( "Interbase" ) ) {
return InterbaseDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseJ(final String name) {
if ( name.equals( "JDataStore" ) ) {
return JDataStoreDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseM(final String name) {
if ( name.equals( "Mckoi" ) ) {
return MckoiDialect.class;
}
if ( name.equals( "MimerSQL" ) ) {
return MimerSQLDialect.class;
}
if ( name.equals( "MySQL5" ) ) {
return MySQL5Dialect.class;
}
if ( name.equals( "MySQL5InnoDB" ) ) {
return MySQL5InnoDBDialect.class;
}
if ( name.equals( "MySQL57InnoDB" ) ) {
return MySQL57InnoDBDialect.class;
}
if ( name.equals( "MySQL57" ) ) {
return MySQL57Dialect.class;
}
if ( name.equals( "MySQL8" ) ) {
return MySQL8Dialect.class;
}
return null;
}
private static Class<? extends Dialect> caseO(final String name) {
if ( name.equals( "Oracle8i" ) ) {
return Oracle8iDialect.class;
}
if ( name.equals( "Oracle9i" ) ) {
return Oracle9iDialect.class;
}
if ( name.equals( "Oracle10g" ) ) {
return Oracle10gDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseP(final String name) {
if ( name.equals( "Pointbase" ) ) {
return PointbaseDialect.class;
}
if ( name.equals( "PostgresPlus" ) ) {
return PostgresPlusDialect.class;
}
if ( name.equals( "PostgreSQL81" ) ) {
return PostgreSQL81Dialect.class;
}
if ( name.equals( "PostgreSQL82" ) ) {
return PostgreSQL82Dialect.class;
}
if ( name.equals( "PostgreSQL9" ) ) {
return PostgreSQL9Dialect.class;
}
if ( name.equals( "Progress" ) ) {
return ProgressDialect.class;
}
return null;
}
private static Class<? extends Dialect> caseS(final String name) {
if ( name.equals( "SAPDB" ) ) {
return SAPDBDialect.class;
}
if ( name.equals( "SQLServer" ) ) {
return SQLServerDialect.class;
}
if ( name.equals( "SQLServer2005" ) ) {
return SQLServer2005Dialect.class;
}
if ( name.equals( "SQLServer2008" ) ) {
return SQLServer2008Dialect.class;
}
if ( name.equals( "Sybase11" ) ) {
return Sybase11Dialect.class;
}
if ( name.equals( "SybaseAnywhere" ) ) {
return SybaseAnywhereDialect.class;
}
if ( name.equals( "Sybase11" ) ) {
return Sybase11Dialect.class;
}
if ( name.equals( "SybaseAnywhere" ) ) {
return SybaseAnywhereDialect.class;
}
if ( name.equals( "SybaseASE15" ) ) {
return SybaseASE15Dialect.class;
}
if ( name.equals( "SybaseASE157" ) ) {
return SybaseASE157Dialect.class;
}
return null;
}
private static Class<? extends Dialect> caseT(final String name) {
if ( name.equals( "Teradata" ) ) {
return TeradataDialect.class;
}
if ( name.equals( "TimesTen" ) ) {
return TimesTenDialect.class;
}
return null;
}
}

14
hibernate-core/src/main/java/org/hibernate/boot/registry/selector/internal/LazyServiceResolver.java Normal file
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@ -0,0 +1,14 @@
/*
* 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.registry.selector.internal;
@FunctionalInterface
public interface LazyServiceResolver<T> {
Class<? extends T> resolve(String name);
}

113
hibernate-core/src/main/java/org/hibernate/boot/registry/selector/internal/StrategySelectorBuilder.java
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@ -23,55 +23,7 @@ import org.hibernate.boot.registry.selector.spi.StrategySelector;
import org.hibernate.cache.internal.DefaultCacheKeysFactory;
import org.hibernate.cache.internal.SimpleCacheKeysFactory;
import org.hibernate.cache.spi.CacheKeysFactory;
import org.hibernate.dialect.CUBRIDDialect;
import org.hibernate.dialect.Cache71Dialect;
import org.hibernate.dialect.DB2390Dialect;
import org.hibernate.dialect.DB2390V8Dialect;
import org.hibernate.dialect.DB2400Dialect;
import org.hibernate.dialect.DB2400V7R3Dialect;
import org.hibernate.dialect.DB2Dialect;
import org.hibernate.dialect.DerbyTenFiveDialect;
import org.hibernate.dialect.DerbyTenSevenDialect;
import org.hibernate.dialect.DerbyTenSixDialect;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.FirebirdDialect;
import org.hibernate.dialect.FrontBaseDialect;
import org.hibernate.dialect.H2Dialect;
import org.hibernate.dialect.HANAColumnStoreDialect;
import org.hibernate.dialect.HANARowStoreDialect;
import org.hibernate.dialect.HSQLDialect;
import org.hibernate.dialect.InformixDialect;
import org.hibernate.dialect.Ingres10Dialect;
import org.hibernate.dialect.Ingres9Dialect;
import org.hibernate.dialect.IngresDialect;
import org.hibernate.dialect.InterbaseDialect;
import org.hibernate.dialect.JDataStoreDialect;
import org.hibernate.dialect.MckoiDialect;
import org.hibernate.dialect.MimerSQLDialect;
import org.hibernate.dialect.MySQL57Dialect;
import org.hibernate.dialect.MySQL57InnoDBDialect;
import org.hibernate.dialect.MySQL8Dialect;
import org.hibernate.dialect.MySQL5Dialect;
import org.hibernate.dialect.MySQL5InnoDBDialect;
import org.hibernate.dialect.Oracle10gDialect;
import org.hibernate.dialect.Oracle8iDialect;
import org.hibernate.dialect.Oracle9iDialect;
import org.hibernate.dialect.PointbaseDialect;
import org.hibernate.dialect.PostgreSQL81Dialect;
import org.hibernate.dialect.PostgreSQL82Dialect;
import org.hibernate.dialect.PostgreSQL9Dialect;
import org.hibernate.dialect.PostgresPlusDialect;
import org.hibernate.dialect.ProgressDialect;
import org.hibernate.dialect.SAPDBDialect;
import org.hibernate.dialect.SQLServer2005Dialect;
import org.hibernate.dialect.SQLServer2008Dialect;
import org.hibernate.dialect.SQLServerDialect;
import org.hibernate.dialect.Sybase11Dialect;
import org.hibernate.dialect.SybaseASE157Dialect;
import org.hibernate.dialect.SybaseASE15Dialect;
import org.hibernate.dialect.SybaseAnywhereDialect;
import org.hibernate.dialect.TeradataDialect;
import org.hibernate.dialect.TimesTenDialect;
import org.hibernate.engine.transaction.jta.platform.internal.AtomikosJtaPlatform;
import org.hibernate.engine.transaction.jta.platform.internal.BitronixJtaPlatform;
import org.hibernate.engine.transaction.jta.platform.internal.BorlandEnterpriseServerJtaPlatform;
@ -90,10 +42,6 @@ import org.hibernate.engine.transaction.jta.platform.internal.WebSphereJtaPlatfo
import org.hibernate.engine.transaction.jta.platform.internal.WebSphereLibertyJtaPlatform;
import org.hibernate.engine.transaction.jta.platform.internal.WeblogicJtaPlatform;
import org.hibernate.engine.transaction.jta.platform.spi.JtaPlatform;
import org.hibernate.event.internal.EntityCopyAllowedLoggedObserver;
import org.hibernate.event.internal.EntityCopyAllowedObserver;
import org.hibernate.event.internal.EntityCopyNotAllowedObserver;
import org.hibernate.event.spi.EntityCopyObserver;
import org.hibernate.hql.spi.id.MultiTableBulkIdStrategy;
import org.hibernate.hql.spi.id.global.GlobalTemporaryTableBulkIdStrategy;
import org.hibernate.hql.spi.id.local.LocalTemporaryTableBulkIdStrategy;
@ -163,7 +111,7 @@ public class StrategySelectorBuilder {
final StrategySelectorImpl strategySelector = new StrategySelectorImpl( classLoaderService );
// build the baseline...
addDialects( strategySelector );
strategySelector.registerStrategyLazily( Dialect.class, new DefaultDialectSelector() );
addJtaPlatforms( strategySelector );
addTransactionCoordinatorBuilders( strategySelector );
addMultiTableBulkIdStrategies( strategySelector );
@ -196,65 +144,6 @@ public class StrategySelectorBuilder {
}
}
private void addDialects(StrategySelectorImpl strategySelector) {
addDialect( strategySelector, Cache71Dialect.class );
addDialect( strategySelector, CUBRIDDialect.class );
addDialect( strategySelector, DB2Dialect.class );
addDialect( strategySelector, DB2390Dialect.class );
addDialect( strategySelector, DB2390V8Dialect.class );
addDialect( strategySelector, DB2400Dialect.class );
addDialect( strategySelector, DB2400V7R3Dialect.class );
addDialect( strategySelector, DerbyTenFiveDialect.class );
addDialect( strategySelector, DerbyTenSixDialect.class );
addDialect( strategySelector, DerbyTenSevenDialect.class );
addDialect( strategySelector, FirebirdDialect.class );
addDialect( strategySelector, FrontBaseDialect.class );
addDialect( strategySelector, H2Dialect.class );
addDialect( strategySelector, HANAColumnStoreDialect.class );
addDialect( strategySelector, HANARowStoreDialect.class );
addDialect( strategySelector, HSQLDialect.class );
addDialect( strategySelector, InformixDialect.class );
addDialect( strategySelector, IngresDialect.class );
addDialect( strategySelector, Ingres9Dialect.class );
addDialect( strategySelector, Ingres10Dialect.class );
addDialect( strategySelector, InterbaseDialect.class );
addDialect( strategySelector, JDataStoreDialect.class );
addDialect( strategySelector, MckoiDialect.class );
addDialect( strategySelector, MimerSQLDialect.class );
addDialect( strategySelector, MySQL5Dialect.class );
addDialect( strategySelector, MySQL5InnoDBDialect.class );
addDialect( strategySelector, MySQL57InnoDBDialect.class );
addDialect( strategySelector, MySQL57Dialect.class );
addDialect( strategySelector, MySQL8Dialect.class );
addDialect( strategySelector, Oracle8iDialect.class );
addDialect( strategySelector, Oracle9iDialect.class );
addDialect( strategySelector, Oracle10gDialect.class );
addDialect( strategySelector, PointbaseDialect.class );
addDialect( strategySelector, PostgresPlusDialect.class );
addDialect( strategySelector, PostgreSQL81Dialect.class );
addDialect( strategySelector, PostgreSQL82Dialect.class );
addDialect( strategySelector, PostgreSQL9Dialect.class );
addDialect( strategySelector, ProgressDialect.class );
addDialect( strategySelector, SAPDBDialect.class );
addDialect( strategySelector, SQLServerDialect.class );
addDialect( strategySelector, SQLServer2005Dialect.class );
addDialect( strategySelector, SQLServer2008Dialect.class );
addDialect( strategySelector, Sybase11Dialect.class );
addDialect( strategySelector, SybaseAnywhereDialect.class );
addDialect( strategySelector, SybaseASE15Dialect.class );
addDialect( strategySelector, SybaseASE157Dialect.class );
addDialect( strategySelector, TeradataDialect.class );
addDialect( strategySelector, TimesTenDialect.class );
}
private void addDialect(StrategySelectorImpl strategySelector, Class<? extends Dialect> dialectClass) {
String simpleName = dialectClass.getSimpleName();
if ( simpleName.endsWith( "Dialect" ) ) {
simpleName = simpleName.substring( 0, simpleName.length() - "Dialect".length() );
}
strategySelector.registerStrategyImplementor( Dialect.class, simpleName, dialectClass );
}
private void addJtaPlatforms(StrategySelectorImpl strategySelector) {
addJtaPlatforms(
strategySelector,

31
hibernate-core/src/main/java/org/hibernate/boot/registry/selector/internal/StrategySelectorImpl.java
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@ -13,7 +13,9 @@ import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Function;
import org.hibernate.HibernateException;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.boot.registry.classloading.spi.ClassLoadingException;
import org.hibernate.boot.registry.selector.spi.StrategyCreator;
@ -28,10 +30,10 @@ import org.jboss.logging.Logger;
* @author Steve Ebersole
*/
public class StrategySelectorImpl implements StrategySelector {
private static final Logger log = Logger.getLogger( StrategySelectorImpl.class );
public static final StrategyCreator STANDARD_STRATEGY_CREATOR = strategyClass -> {
private static final StrategyCreator STANDARD_STRATEGY_CREATOR = strategyClass -> {
try {
return strategyClass.newInstance();
}
@ -43,8 +45,14 @@ public class StrategySelectorImpl implements StrategySelector {
}
};
//Map based approach: most suited for explicit registrations from integrators
private final Map<Class,Map<String,Class>> namedStrategyImplementorByStrategyMap = new ConcurrentHashMap<>();
//"Lazy" approach: more efficient as we aim to not initialize all implementation classes;
//this is preferable for internal services such as Dialect, as we have a significant amount of them, making
//it worthwhile to try be a bit more efficient about them.
private final Map<Class, LazyServiceResolver> lazyStrategyImplementorByStrategyMap = new ConcurrentHashMap<>();
private final ClassLoaderService classLoaderService;
/**
@ -56,6 +64,13 @@ public class StrategySelectorImpl implements StrategySelector {
this.classLoaderService = classLoaderService;
}
public <T> void registerStrategyLazily(Class<T> strategy, LazyServiceResolver<T> resolver) {
LazyServiceResolver previous = lazyStrategyImplementorByStrategyMap.put( strategy, resolver );
if ( previous != null ) {
throw new HibernateException( "Detected a second LazyServiceResolver replacing an existing LazyServiceResolver implementation for strategy " + strategy.getName() );
}
}
@Override
public <T> void registerStrategyImplementor(Class<T> strategy, String name, Class<? extends T> implementation) {
Map<String,Class> namedStrategyImplementorMap = namedStrategyImplementorByStrategyMap.get( strategy );
@ -125,6 +140,14 @@ public class StrategySelectorImpl implements StrategySelector {
}
}
LazyServiceResolver lazyServiceResolver = lazyStrategyImplementorByStrategyMap.get( strategy );
if ( lazyServiceResolver != null ) {
Class resolve = lazyServiceResolver.resolve( name );
if ( resolve != null ) {
return resolve;
}
}
try {
return classLoaderService.classForName( name );
}
@ -177,6 +200,10 @@ public class StrategySelectorImpl implements StrategySelector {
@Override
@SuppressWarnings("unchecked")
public Collection getRegisteredStrategyImplementors(Class strategy) {
LazyServiceResolver lazyServiceResolver = lazyStrategyImplementorByStrategyMap.get( strategy );
if ( lazyServiceResolver != null ) {
throw new StrategySelectionException( "Can't use this method on for strategy types which are embedded in the core library" );
}
final Map<String, Class> registrations = namedStrategyImplementorByStrategyMap.get( strategy );
if ( registrations == null ) {
return Collections.emptySet();

84
hibernate-core/src/test/java/org/hibernate/test/strategyselectors/DefaultDialectSelectorTest.java Normal file
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@ -0,0 +1,84 @@
/*
* 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.test.strategyselectors;
import org.hibernate.boot.registry.selector.internal.DefaultDialectSelector;
import org.hibernate.dialect.*;
import org.junit.Assert;
import org.junit.Test;
public class DefaultDialectSelectorTest {
private DefaultDialectSelector strategySelector = new DefaultDialectSelector();
@Test
public void verifyAllDialectNamingResolve() {
testDialectNamingResolution( Cache71Dialect.class );
testDialectNamingResolution( CUBRIDDialect.class );
testDialectNamingResolution( DB2Dialect.class );
testDialectNamingResolution( DB2390Dialect.class );
testDialectNamingResolution( DB2390V8Dialect.class );
testDialectNamingResolution( DB2400Dialect.class );
testDialectNamingResolution( DB2400V7R3Dialect.class );
testDialectNamingResolution( DerbyTenFiveDialect.class );
testDialectNamingResolution( DerbyTenSixDialect.class );
testDialectNamingResolution( DerbyTenSevenDialect.class );
testDialectNamingResolution( FirebirdDialect.class );
testDialectNamingResolution( FrontBaseDialect.class );
testDialectNamingResolution( H2Dialect.class );
testDialectNamingResolution( HANAColumnStoreDialect.class );
testDialectNamingResolution( HANARowStoreDialect.class );
testDialectNamingResolution( HSQLDialect.class );
testDialectNamingResolution( InformixDialect.class );
testDialectNamingResolution( IngresDialect.class );
testDialectNamingResolution( Ingres9Dialect.class );
testDialectNamingResolution( Ingres10Dialect.class );
testDialectNamingResolution( InterbaseDialect.class );
testDialectNamingResolution( JDataStoreDialect.class );
testDialectNamingResolution( MckoiDialect.class );
testDialectNamingResolution( MimerSQLDialect.class );
testDialectNamingResolution( MySQL5Dialect.class );
testDialectNamingResolution( MySQL5InnoDBDialect.class );
testDialectNamingResolution( MySQL57InnoDBDialect.class );
testDialectNamingResolution( MySQL57Dialect.class );
testDialectNamingResolution( MySQL8Dialect.class );
testDialectNamingResolution( Oracle8iDialect.class );
testDialectNamingResolution( Oracle9iDialect.class );
testDialectNamingResolution( Oracle10gDialect.class );
testDialectNamingResolution( PointbaseDialect.class );
testDialectNamingResolution( PostgresPlusDialect.class );
testDialectNamingResolution( PostgreSQL81Dialect.class );
testDialectNamingResolution( PostgreSQL82Dialect.class );
testDialectNamingResolution( PostgreSQL9Dialect.class );
testDialectNamingResolution( ProgressDialect.class );
testDialectNamingResolution( SAPDBDialect.class );
testDialectNamingResolution( SQLServerDialect.class );
testDialectNamingResolution( SQLServer2005Dialect.class );
testDialectNamingResolution( SQLServer2008Dialect.class );
testDialectNamingResolution( Sybase11Dialect.class );
testDialectNamingResolution( SybaseAnywhereDialect.class );
testDialectNamingResolution( SybaseASE15Dialect.class );
testDialectNamingResolution( SybaseASE157Dialect.class );
testDialectNamingResolution( TeradataDialect.class );
testDialectNamingResolution( TimesTenDialect.class );
}
private void testDialectNamingResolution(final Class<?> dialectClass) {
String simpleName = dialectClass.getSimpleName();
if ( simpleName.endsWith( "Dialect" ) ) {
simpleName = simpleName.substring( 0, simpleName.length() - "Dialect".length() );
}
Class<? extends Dialect> aClass = strategySelector.resolve( simpleName );
Assert.assertNotNull( aClass );
Assert.assertEquals( dialectClass, aClass );
}
}