Major - P3 If a property is synthetic (e.g. has no backing field) and is annotated with @BsonIgnore then it shouldn't require a codec for the property.
import org.bson.codecs.pojo.annotations.BsonIgnore; public class MyPojo { private final String stringField; MyPojo(final String stringField) { this.stringField = stringField; } public String getStringField() { return stringField; } @BsonIgnore public Object getSyntheticProperty() { return null; } }
With the above example there is no need for a Codec<Object>.
The ConventionAnnotationImpl needs updating, to handle for synthetic getters / setters.