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feat: Add sneakyThrow for Java (#2218)

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He-Pin(kerr) 2025-09-19 22:44:53 +08:00 • committed by GitHub
parent 3969ae8276
commit 9b5e641246
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9
actor-tests/src/test/java/org/apache/pekko/japi/ThrowablesTest.java
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@ -29,4 +29,13 @@ public class ThrowablesTest {
Assert.assertTrue(Throwables.isFatal(new InterruptedException("fatal")));
Assert.assertTrue(Throwables.isFatal(new LinkageError("fatal")));
}
private void doSneakyThrow() {
Throwables.sneakyThrow(new Exception("sneaky"));
}
@Test
public void testSneakyThrow() {
Assert.assertThrows("sneaky", Exception.class, this::doSneakyThrow);
}
}

11
actor/src/main/scala/org/apache/pekko/japi/Throwables.scala
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@ -49,4 +49,15 @@ object Throwables {
* or false if it is to be considered non-fatal
*/
def isFatal(throwable: Throwable): Boolean = !isNonFatal(throwable)
/**
* Throws the given `Throwable`, without requiring the caller to declare it in a `throws` clause.
* @param t the `Throwable` to throw
* @throws T the type of the `Throwable` to throw
* @return never returns normally, but has return type `R` to allow usage in expressions
* @since 2.0.0
*/
def sneakyThrow[T <: Throwable, R](t: Throwable): R = {
throw t.asInstanceOf[T]
}
}