@java.lang.FunctionalInterface
interface MongoClientSettingsBuilderCustomizer

Callback interface that can be implemented by beans wishing to customize the MongoClientSettings.Builder used to construct the underlying com.mongodb.client.MongoClient before it is created.

Any beans of this type found in the application context are applied, in order, to the builder for the default connection source. This is the supported extension point for settings that cannot be expressed through grails.mongodb.* configuration — for example registering a driver com.mongodb.event.CommandListener for metrics/tracing, tuning the connection pool, or configuring read/write concerns programmatically.

 @Bean
 MongoClientSettingsBuilderCustomizer mongoMetrics(MeterRegistry registry) {
     return { builder -> builder.addCommandListener(new MongoMetricsCommandListener(registry)) }
 }
 

Mirrors the semantics of Spring Boot's MongoClientSettingsBuilderCustomizer.

Since:

7.2