How to use

ConnectionProviderInitiator

in

org.hibernate.engine.jdbc.connections.internal

private static void resolveIsolationSetting(Map<String, String> properties, AgroalConnectionFactoryConfigurationSupplier cf) {
  Integer isolation = ConnectionProviderInitiator.extractIsolation( properties );
  if ( isolation != null ) {
    // Agroal resolves transaction isolation from the 'nice' name
    String isolationString = ConnectionProviderInitiator.toIsolationNiceName( isolation );
    cf.jdbcTransactionIsolation( AgroalConnectionFactoryConfiguration.TransactionIsolation.valueOf( isolationString ) );
  }
}

    final Class providerClass = (Class) explicitSetting;
    LOG.instantiatingExplicitConnectionProvider( providerClass.getName() );
    return instantiateExplicitConnectionProvider( providerClass );
      );
      try {
        return instantiateExplicitConnectionProvider( providerClass );
final Class<? extends ConnectionProvider> singleRegisteredProvider = getSingleRegisteredProvider( strategySelector );
if ( singleRegisteredProvider != null ) {
  try {
  if ( c3p0ConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateC3p0Provider( strategySelector );
  if ( proxoolConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateProxoolProvider( strategySelector );
  if ( hikariConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateHikariProvider( strategySelector );
  if ( viburConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateViburProvider( strategySelector );
  if ( agroalConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateAgroalProvider( strategySelector );

private static void copyIsolationSetting(Map props, Properties hikariProps) {
  final Integer isolation = ConnectionProviderInitiator.extractIsolation( props );
  if ( isolation != null ) {
    hikariProps.put(
        "transactionIsolation",
        ConnectionProviderInitiator.toIsolationConnectionConstantName( isolation )
    );
  }
}

final Properties connectionProps = ConnectionProviderInitiator.getConnectionProperties( configurationValues );
connectionCreatorBuilder.setAutoCommit( autoCommit );
final Integer isolation = ConnectionProviderInitiator.extractIsolation( configurationValues );
if ( isolation != null ) {
  log.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );

/**
 * @deprecated Use {@link ConnectionProviderInitiator#toIsolationNiceName} instead
 */
@Deprecated
public static String isolationLevelToString(int isolation) {
  return ConnectionProviderInitiator.toIsolationNiceName( isolation );
}

@Override
public void configure(Map configurationValues) {
  Properties connectionSettings = new Properties();
  transferSetting( Environment.DRIVER, configurationValues, connectionSettings );
  transferSetting( Environment.URL, configurationValues, connectionSettings );
  transferSetting( Environment.USER, configurationValues, connectionSettings );
  transferSetting( Environment.PASS, configurationValues, connectionSettings );
  transferSetting( Environment.ISOLATION, configurationValues, connectionSettings );
  Properties passThroughSettings = ConnectionProviderInitiator.getConnectionProperties( configurationValues );
  if ( passThroughSettings != null ) {
    for ( String setting : passThroughSettings.stringPropertyNames() ) {
      transferSetting( Environment.CONNECTION_PREFIX + '.' + setting, configurationValues, connectionSettings );
    }
  }
  connectionSettings.setProperty( Environment.AUTOCOMMIT, "false" );
  delegate = new DriverManagerConnectionProviderImpl();
  delegate.configure( connectionSettings );
}

final String jdbcDriverClass = (String) props.get( Environment.DRIVER );
final String jdbcUrl = (String) props.get( Environment.URL );
final Properties connectionProps = ConnectionProviderInitiator.getConnectionProperties( props );
isolation = ConnectionProviderInitiator.extractIsolation( props );
LOG.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );

private static void copyIsolationSetting(Map props, Properties hikariProps) {
  final Integer isolation = ConnectionProviderInitiator.extractIsolation( props );
  if ( isolation != null ) {
    hikariProps.put(
        "transactionIsolation",
        ConnectionProviderInitiator.toIsolationConnectionConstantName( isolation )
    );
  }
}

/**
 * @deprecated Use {@link ConnectionProviderInitiator#toIsolationNiceName} instead
 */
@Deprecated
public static String isolationLevelToString(int isolation) {
  return ConnectionProviderInitiator.toIsolationNiceName( isolation );
}

ConnectionProviderInitiator.getConnectionProperties(configurationValues);

final Properties connectionProps = ConnectionProviderInitiator.getConnectionProperties( configurationValues );
connectionCreatorBuilder.setAutoCommit( autoCommit );
final Integer isolation = ConnectionProviderInitiator.extractIsolation( configurationValues );
if ( isolation != null ) {
  log.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );

isolation = ConnectionProviderInitiator.extractIsolation( props );
LOG.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );

    final Class providerClass = (Class) explicitSetting;
    LOG.instantiatingExplicitConnectionProvider( providerClass.getName() );
    return instantiateExplicitConnectionProvider( providerClass );
      );
      try {
        return instantiateExplicitConnectionProvider( providerClass );
final Class<? extends ConnectionProvider> singleRegisteredProvider = getSingleRegisteredProvider( strategySelector );
if ( singleRegisteredProvider != null ) {
  try {
  if ( c3p0ConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateC3p0Provider( strategySelector );
  if ( proxoolConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateProxoolProvider( strategySelector );
  if ( hikariConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateHikariProvider( strategySelector );
  if ( viburConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateViburProvider( strategySelector );
  if ( agroalConfigDefined( configurationValues ) ) {
    connectionProvider = instantiateAgroalProvider( strategySelector );

final String jdbcDriverClass = (String) props.get( Environment.DRIVER );
final String jdbcUrl = (String) props.get( Environment.URL );
final Properties connectionProps = ConnectionProviderInitiator.getConnectionProperties( props );
isolation = ConnectionProviderInitiator.extractIsolation( props );
LOG.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );

private static void resolveIsolationSetting(Map<String, String> properties, AgroalConnectionFactoryConfigurationSupplier cf) {
  Integer isolation = ConnectionProviderInitiator.extractIsolation( properties );
  if ( isolation != null ) {
    // Agroal resolves transaction isolation from the 'nice' name
    String isolationString = ConnectionProviderInitiator.toIsolationNiceName( isolation );
    cf.jdbcTransactionIsolation( AgroalConnectionFactoryConfiguration.TransactionIsolation.valueOf( isolationString ) );
  }
}

isolation = ConnectionProviderInitiator.extractIsolation( props );
LOG.jdbcIsolationLevel( ConnectionProviderInitiator.toIsolationNiceName( isolation ) );