}
            }

            abstract void doInterpolate(Object target, InterpolateObjectAction ctx) throws IllegalAccessException;
        }

        static final class StringField extends CacheField {
            StringField(Field field) {
                super(field);
            }

            @Override
            void doInterpolate(Object target, InterpolateObjectAction ctx) throws IllegalAccessException {

		UIntField          uint
		UInt8Field         uint8
		UInt16Field        uint16
		UInt32Field        uint32
		UInt64Field        uint64
		Float32Field       float32
		Float64Field       float64
		StringField        string
		TimeField          time.Time
		TimePtrField       *time.Time
		EmbeddedStruct     `gorm:"embedded"`
		*EmbeddedPtrStruct `gorm:"embedded"`
	}

	currTime := time.Now()