| Package | Description | 
|---|---|
| org.springframework.util.function | Useful generic  java.util.functionhelper classes. | 
| Modifier and Type | Method and Description | 
|---|---|
| static <T> SingletonSupplier<T> | SingletonSupplier. of(Supplier<T> supplier)Build a  SingletonSupplierwith the given supplier. | 
| static <T> SingletonSupplier<T> | SingletonSupplier. of(T instance)Build a  SingletonSupplierwith the given singleton instance. | 
| static <T> SingletonSupplier<T> | SingletonSupplier. ofNullable(Supplier<T> supplier)Build a  SingletonSupplierwith the given supplier. | 
| static <T> SingletonSupplier<T> | SingletonSupplier. ofNullable(T instance)Build a  SingletonSupplierwith the given singleton instance. |