Package io.micronaut.data.model.runtime

Interface PropertyAutoPopulator<T extends Annotation>

Type Parameters:
T - the populated annotation type
All Superinterfaces:
io.micronaut.core.order.Ordered
All Known Implementing Classes:
AutoTimestampEntityEventListener, VersionGeneratingEntityEventListener
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@Indexed(PropertyAutoPopulator.class) @Internal @FunctionalInterface public interface PropertyAutoPopulator<T extends Annotation> extends io.micronaut.core.order.Ordered
The interface allows automatically populating new values, potentially based on the previous value for AutoPopulated properties.

NOTE: Regarded as experimental and internal at this stage.

Since:
2.3.0
Author:
Denis Stepanov, graemerocher
See Also:

  • Field Summary

    Fields inherited from interface io.micronaut.core.order.Ordered

    HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

  • Method Summary

    Modifier and Type
    Method
    Description
    @NonNull Object
    populate(RuntimePersistentProperty<?> property, @Nullable Object previousValue)
    Auto-populating the property.

    Methods inherited from interface io.micronaut.core.order.Ordered

    getOrder

  • Method Details

    • populate

      @NonNull @NonNull Object populate(RuntimePersistentProperty<?> property, @Nullable @Nullable Object previousValue)
      Auto-populating the property.
      Parameters:
      property - the property to auto-populate
      previousValue - the previous value, if any
      Returns:
      new value