src/share/classes/java/util/function/DoubleBlock.java
Print this page
rev 6189 : 8004015: Add Extends and deaults for basic functional interface types
Summary: Adds the appropriate extends and default methods for core functional interfaces used by the JSR335 libraries.
Reviewed-by: duke
@@ -26,16 +26,28 @@
/**
* An operation upon a {@code double} input value. The operation may modify
* external state.
*
- * <p/>This is the primitive type specialization of {@link Block} for
- * {@code double} and also may be used as a {@code Block<Double>}.
+ * <p>This is the primitive type specialization of {@link Block} for
+ * {@code double} and also may be used as a {@code Block<Double>}. When used as
+ * a {@code Block} the default {@code accept} implementation provided by this
+ * interface does not accept null parameters.
*
* @since 1.8
*/
-public interface DoubleBlock {
+public interface DoubleBlock extends Block<Double> {
+
+ /**
+ * {@inheritDoc}
+ *
+ * @param t {@inheritDoc}, must be non-null
+ */
+ @Override
+ public default void accept(Double t) {
+ accept((double)t);
+ }
/**
* Use the {@code double} input value in an operation which may modify
* external state.
*