Package org.springframework.data.projection

Interface ProjectionInformation

All Known Implementing Classes:
SpelAwareProxyProjectionFactory.SpelAwareProjectionInformation
public interface ProjectionInformation
Information about a projection type.
Since:
1.12
Author:
Oliver Gierke

  • Method Summary

    Modifier and Type
    Method
    Description
    List<PropertyDescriptor>
    getInputProperties()
    Returns the properties that will be consumed by the projection type.
    Class<?>
    getType()
    Returns the projection type.
    default boolean
    hasInputProperties()
    Returns whether the projection has input properties.
    boolean
    isClosed()
    Returns whether supplying values for the properties returned via getInputProperties() is sufficient to create a working proxy instance.

  • Method Details

    • getType

      Class<?> getType()
      Returns the projection type.
      Returns:
      will never be null.

    • getInputProperties

      List<PropertyDescriptor> getInputProperties()
      Returns the properties that will be consumed by the projection type.
      Returns:
      will never be null.

    • hasInputProperties

      default boolean hasInputProperties()
      Returns whether the projection has input properties. Projections without input types are typically open projections that do not follow Java's property accessor naming.
      Returns:
      Since:
      3.3.5

    • isClosed

      boolean isClosed()
      Returns whether supplying values for the properties returned via getInputProperties() is sufficient to create a working proxy instance. This will usually be used to determine whether the projection uses any dynamically resolved properties.
      Returns: