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comparison src/fschmidt/util/java/FutureValue.java @ 68:00520880ad02

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add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
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67:9d0fefce6985 68:00520880ad02
1 package fschmidt.util.java;
2
3 import java.util.concurrent.Callable;
4 import java.util.concurrent.ExecutionException;
5
6
7 public abstract class FutureValue<V> {
8
9 private final FastFuture<V> ft = new FastFuture<V>(new Callable<V>() {
10 public V call() throws Exception {
11 return compute();
12 }
13 });
14
15 public V get() throws ComputationException {
16 ft.run();
17 try {
18 return ft.get();
19 } catch(InterruptedException e) {
20 throw new ComputationException(e);
21 } catch(ExecutionException e) {
22 throw ComputationException.newInstance(e);
23 }
24 }
25
26 protected abstract V compute() throws Exception;
27 }