OnJava8-Examples/concurrent/CompletableUtilities.java
2020-10-07 13:35:40 -06:00

28 lines
802 B
Java

// concurrent/CompletableUtilities.java
// (c)2020 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
package onjava;
import java.util.concurrent.*;
public class CompletableUtilities {
// Get and show value stored in a CF:
public static void showr(CompletableFuture<?> c) {
try {
System.out.println(c.get());
} catch(InterruptedException
| ExecutionException e) {
throw new RuntimeException(e);
}
}
// For CF operations that have no value:
public static void voidr(CompletableFuture<Void> c) {
try {
c.get(); // Returns void
} catch(InterruptedException
| ExecutionException e) {
throw new RuntimeException(e);
}
}
}