Examples with DataSourceBasedMultiTenantConnectionProviderImpl org.hibernate.engine.jdbc.connections.spi.DataSourceBasedMultiTenantConnectionProviderImpl used on opensource projects

Example 1 with DataSourceBasedMultiTenantConnectionProviderImpl

use of org.hibernate.engine.jdbc.connections.spi.DataSourceBasedMultiTenantConnectionProviderImpl in project hibernate-orm by hibernate.

the class MultiTenantConnectionProviderInitiator method initiateService.

@Override
@SuppressWarnings({ "unchecked" })
public MultiTenantConnectionProvider initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
    final MultiTenancyStrategy strategy = MultiTenancyStrategy.determineMultiTenancyStrategy(configurationValues);
    if (strategy == MultiTenancyStrategy.NONE || strategy == MultiTenancyStrategy.DISCRIMINATOR) {
        // nothing to do, but given the separate hierarchies have to handle this here.
        return null;
    }
    final Object configValue = configurationValues.get(AvailableSettings.MULTI_TENANT_CONNECTION_PROVIDER);
    if (configValue == null) {
        // if they also specified the data source *name*, then lets assume they want
        // DataSourceBasedMultiTenantConnectionProviderImpl
        final Object dataSourceConfigValue = configurationValues.get(AvailableSettings.DATASOURCE);
        if (dataSourceConfigValue != null && String.class.isInstance(dataSourceConfigValue)) {
            return new DataSourceBasedMultiTenantConnectionProviderImpl();
        }
        return null;
    }
    if (MultiTenantConnectionProvider.class.isInstance(configValue)) {
        return (MultiTenantConnectionProvider) configValue;
    } else {
        final Class<MultiTenantConnectionProvider> implClass;
        if (Class.class.isInstance(configValue)) {
            implClass = (Class) configValue;
        } else {
            final String className = configValue.toString();
            final ClassLoaderService classLoaderService = registry.getService(ClassLoaderService.class);
            try {
                implClass = classLoaderService.classForName(className);
            } catch (ClassLoadingException cle) {
                log.warn("Unable to locate specified class [" + className + "]", cle);
                throw new ServiceException("Unable to locate specified multi-tenant connection provider [" + className + "]");
            }
        }
        try {
            return implClass.newInstance();
        } catch (Exception e) {
            log.warn("Unable to instantiate specified class [" + implClass.getName() + "]", e);
            throw new ServiceException("Unable to instantiate specified multi-tenant connection provider [" + implClass.getName() + "]");
        }
    }
}