Consistent use of AvailableSettings instead of Environment

Issue: SPR-14548

spring-orm/src/main/java/org/springframework/orm/hibernate5/LocalSessionFactoryBuilder.java

@@ -42,7 +42,6 @@ import org.hibernate.boot.MetadataSources;
 import org.hibernate.boot.registry.BootstrapServiceRegistryBuilder;
 import org.hibernate.cfg.AvailableSettings;
 import org.hibernate.cfg.Configuration;
-import org.hibernate.cfg.Environment;
 import org.hibernate.context.spi.CurrentTenantIdentifierResolver;
 import org.hibernate.engine.jdbc.connections.spi.MultiTenantConnectionProvider;
 import org.hibernate.engine.spi.SessionFactoryImplementor;
@@ -138,9 +137,9 @@ public class LocalSessionFactoryBuilder extends Configuration {
 	public LocalSessionFactoryBuilder(DataSource dataSource, ResourceLoader resourceLoader, MetadataSources metadataSources) {
 		super(metadataSources);
 
-		getProperties().put(Environment.CURRENT_SESSION_CONTEXT_CLASS, SpringSessionContext.class.getName());
+		getProperties().put(AvailableSettings.CURRENT_SESSION_CONTEXT_CLASS, SpringSessionContext.class.getName());
 		if (dataSource != null) {
-			getProperties().put(Environment.DATASOURCE, dataSource);
+			getProperties().put(AvailableSettings.DATASOURCE, dataSource);
 		}
 
 		// Hibernate 5.1/5.2: manually enforce connection release mode ON_CLOSE (the former default)

spring-orm/src/main/java/org/springframework/orm/jpa/vendor/HibernateJpaVendorAdapter.java

@@ -23,7 +23,6 @@ import javax.persistence.EntityManagerFactory;
 import javax.persistence.spi.PersistenceProvider;
 
 import org.hibernate.cfg.AvailableSettings;
-import org.hibernate.cfg.Environment;
 import org.hibernate.dialect.DB2Dialect;
 import org.hibernate.dialect.DerbyTenSevenDialect;
 import org.hibernate.dialect.H2Dialect;
@@ -108,20 +107,20 @@ public class HibernateJpaVendorAdapter extends AbstractJpaVendorAdapter {
 		Map<String, Object> jpaProperties = new HashMap<>();
 
 		if (getDatabasePlatform() != null) {
-			jpaProperties.put(Environment.DIALECT, getDatabasePlatform());
+			jpaProperties.put(AvailableSettings.DIALECT, getDatabasePlatform());
 		}
 		else if (getDatabase() != null) {
 			Class<?> databaseDialectClass = determineDatabaseDialectClass(getDatabase());
 			if (databaseDialectClass != null) {
-				jpaProperties.put(Environment.DIALECT, databaseDialectClass.getName());
+				jpaProperties.put(AvailableSettings.DIALECT, databaseDialectClass.getName());
 			}
 		}
 
 		if (isGenerateDdl()) {
-			jpaProperties.put(Environment.HBM2DDL_AUTO, "update");
+			jpaProperties.put(AvailableSettings.HBM2DDL_AUTO, "update");
 		}
 		if (isShowSql()) {
-			jpaProperties.put(Environment.SHOW_SQL, "true");
+			jpaProperties.put(AvailableSettings.SHOW_SQL, "true");
 		}
 
 		if (this.jpaDialect.prepareConnection) {