Class FieldInitializer


  • public class FieldInitializer
    extends java.lang.Object
    Initialize a field with type instance if a default constructor can be found.

    If the given field is already initialized, then the actual instance is returned. This initializer doesn't work with inner classes, local classes, interfaces or abstract types.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
      static interface  FieldInitializer.ConstructorArgumentResolver
      Represents the strategy used to resolve actual instances to be given to a constructor given the argument types.
    • Constructor Summary

      Constructors 
      Constructor Description
      FieldInitializer​(java.lang.Object fieldOwner, java.lang.reflect.Field field)
      Prepare initializer with the given field on the given instance.
      FieldInitializer​(java.lang.Object fieldOwner, java.lang.reflect.Field field, FieldInitializer.ConstructorArgumentResolver argResolver)
      Prepare initializer with the given field on the given instance.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      FieldInitializationReport initialize()
      Initialize field if not initialized and return the actual instance.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • FieldInitializer

        public FieldInitializer​(java.lang.Object fieldOwner,
                                java.lang.reflect.Field field)
        Prepare initializer with the given field on the given instance.

        This constructor fail fast if the field type cannot be handled.

        Parameters:
        fieldOwner - Instance of the test.
        field - Field to be initialize.
      • FieldInitializer

        public FieldInitializer​(java.lang.Object fieldOwner,
                                java.lang.reflect.Field field,
                                FieldInitializer.ConstructorArgumentResolver argResolver)
        Prepare initializer with the given field on the given instance.

        This constructor fail fast if the field type cannot be handled.

        Parameters:
        fieldOwner - Instance of the test.
        field - Field to be initialize.
        argResolver - Constructor parameters resolver
    • Method Detail

      • initialize

        public FieldInitializationReport initialize()
        Initialize field if not initialized and return the actual instance.
        Returns:
        Actual field instance.