some very minor cleanups in o.h.e.t.jta.platform

Author: gavinking

hibernate-core/src/main/java/org/hibernate/boot/registry/selector/internal/DefaultJtaPlatformSelector.java

@@ -61,11 +61,6 @@ private static Class<? extends JtaPlatform> legacy(
 			case "org.hibernate.service.jta.platform.internal.JBossStandAloneJtaPlatform" -> {
 				return JBossStandAloneJtaPlatform.class;
 			}
-			//This one shouldn't be necessary as it matches the implementation FQN,
-			//but let's translate the existing code faithfully.
-			case "org.hibernate.engine.transaction.jta.platform.internal.WebSphereLibertyJtaPlatform" -> {
-				return WebSphereLibertyJtaPlatform.class;
-			}
 		}
 
 		//All other ones follow a pattern, beginning with the same prefix and ending with the same postfix,

hibernate-core/src/main/java/org/hibernate/engine/transaction/jta/platform/internal/AbstractJtaPlatform.java

@@ -11,17 +11,19 @@
 import jakarta.transaction.TransactionManager;
 import jakarta.transaction.UserTransaction;
 
-import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.engine.jndi.spi.JndiService;
 import org.hibernate.engine.transaction.internal.jta.JtaStatusHelper;
 import org.hibernate.engine.transaction.jta.platform.spi.JtaPlatform;
 import org.hibernate.engine.transaction.jta.platform.spi.JtaPlatformException;
-import org.hibernate.internal.util.config.ConfigurationHelper;
 import org.hibernate.service.ServiceRegistry;
 import org.hibernate.service.spi.Configurable;
 import org.hibernate.service.spi.ServiceRegistryAwareService;
 import org.hibernate.service.spi.ServiceRegistryImplementor;
 
+import static org.hibernate.cfg.TransactionSettings.JTA_CACHE_TM;
+import static org.hibernate.cfg.TransactionSettings.JTA_CACHE_UT;
+import static org.hibernate.internal.util.config.ConfigurationHelper.getBoolean;
+
 /**
  * @author Steve Ebersole
  */
@@ -43,7 +45,7 @@ private final class TransactionManagerBasedSynchronizationStrategy implements Jt
 		@Override
 		public void registerSynchronization(Synchronization synchronization) {
 			try {
-				AbstractJtaPlatform.this.getTransactionManager().getTransaction().registerSynchronization( synchronization );
+				getTransactionManager().getTransaction().registerSynchronization( synchronization );
 			}
 			catch (Exception e) {
 				throw new JtaPlatformException( "Could not access JTA Transaction to register synchronization", e );
@@ -52,7 +54,7 @@ public void registerSynchronization(Synchronization synchronization) {
 
 		@Override
 		public boolean canRegisterSynchronization() {
-			return JtaStatusHelper.isActive( AbstractJtaPlatform.this.getTransactionManager() );
+			return JtaStatusHelper.isActive( getTransactionManager() );
 		}
 	}
 
@@ -68,16 +70,8 @@ protected JndiService jndiService() {
 	protected abstract UserTransaction locateUserTransaction();
 
 	public void configure(Map<String, Object> configValues) {
-		cacheTransactionManager = ConfigurationHelper.getBoolean(
-				AvailableSettings.JTA_CACHE_TM,
-				configValues,
-				canCacheTransactionManagerByDefault()
-		);
-		cacheUserTransaction = ConfigurationHelper.getBoolean(
-				AvailableSettings.JTA_CACHE_UT,
-				configValues,
-				canCacheUserTransactionByDefault()
-		);
+		cacheTransactionManager = getBoolean( JTA_CACHE_TM, configValues, canCacheTransactionManagerByDefault() );
+		cacheUserTransaction = getBoolean( JTA_CACHE_UT, configValues, canCacheUserTransactionByDefault() );
 	}
 
 	protected boolean canCacheTransactionManagerByDefault() {
@@ -126,7 +120,9 @@ public UserTransaction retrieveUserTransaction() {
 			}
 			return userTransaction;
 		}
-		return locateUserTransaction();
+		else {
+			return locateUserTransaction();
+		}
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/engine/transaction/jta/platform/internal/JBossAppServerJtaPlatform.java

@@ -25,11 +25,6 @@ protected boolean canCacheUserTransactionByDefault() {
 		return true;
 	}
 
-	@Override
-	protected boolean canCacheTransactionManagerByDefault() {
-		return true;
-	}
-
 	@Override
 	protected TransactionManager locateTransactionManager() {
 		try {