Interface PropertyHandler

  • All Known Implementing Classes:
    DatePropertyHandler, StringEnumPropertyHandler

    public interface PropertyHandler
    Interface to define how implementations can interact with property handling when constructing a bean from a ResultSet. PropertyHandlers do the work of coercing a value into the target type required.
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      java.lang.Object apply​(java.lang.Class<?> parameter, java.lang.Object value)
      Do the work required to store value into something of type parameter.
      boolean match​(java.lang.Class<?> parameter, java.lang.Object value)
      Test whether this PropertyHandler wants to handle setting value into something of type parameter.
    • Method Detail

      • match

        boolean match​(java.lang.Class<?> parameter,
                      java.lang.Object value)
        Test whether this PropertyHandler wants to handle setting value into something of type parameter.
        Parameters:
        parameter - The type of the target parameter.
        value - The value to be set.
        Returns:
        true is this property handler can/wants to handle this value; false otherwise.
      • apply

        java.lang.Object apply​(java.lang.Class<?> parameter,
                               java.lang.Object value)
        Do the work required to store value into something of type parameter. This method is called only if this handler responded true after a call to match(Class, Object).
        Parameters:
        parameter - The type of the target parameter.
        value - The value to be set.
        Returns:
        The converted value or the original value if something doesn't work out.