if (configProperties != null) {
if (mdb.getActivationConfig() == null) {
mdb.setActivationConfig(activationConfig);
}
final Properties properties = activationConfig.toProperties();
for (final ActivationConfigProperty property : configProperties) {
if (!properties.containsKey(property.propertyName())) {
activationConfig.addProperty(property.propertyName(), property.propertyValue());
}
}