Examples of com.google.common.util.concurrent.UncheckedExecutionException

Package com.google.common.util.concurrent

Examples of com.google.common.util.concurrent.UncheckedExecutionException

com.google.common.util.concurrent.UncheckedExecutionException
Unchecked variant of {@link java.util.concurrent.ExecutionException}. As with {@code ExecutionException}, the exception's {@linkplain #getCause() cause}comes from a failed task, possibly run in another thread.
{@code UncheckedExecutionException} is intended as an alternative to{@code ExecutionException} when the exception thrown by a task is anunchecked exception. This allows the client code to continue to distinguish between checked and unchecked exceptions, even when they come from other threads.
When wrapping an {@code Error} from another thread, prefer {@link ExecutionError}. @author fry@google.com (Charles Fry) @since Guava release 10


   @SuppressWarnings("serial")
   @DataProvider(name = "exceptions")
   public Object[][] createExceptions() {
      return new Object[][] { { new ExecutionException() {
      } }, { new UncheckedExecutionException() {
      } }, { new InvalidCacheLoadException("foo") } };
   }

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   @Test(expectedExceptions = UncheckedExecutionException.class)
   void testDoesntCatchOtherExceptions() {
      BackoffOnNotFoundWhenGetBucketACL backoff = new BackoffOnNotFoundWhenGetBucketACL(mock);


      expect(mock.getBucketACL("foo")).andThrow(new UncheckedExecutionException(new TimeoutException()));


      replay(mock);
      backoff.load("foo");
      verify(mock);
   }

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    public V getUnchecked(K key) {
      try {
        return get(key);
      } catch (ExecutionException e) {
        throw new UncheckedExecutionException(e.getCause());
      }
    }

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    @Override
    public V getUnchecked(K key) {
        try {
            return get(key);
        } catch (ExecutionException e) {
            throw new UncheckedExecutionException(e);
        }
    }

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      boolean completed = jobComplete.apply(job.getJobId());
      logger.trace("<< job(%s) complete(%s)", job, completed);
      AsyncJob<T> jobWithResult = client.getAsyncJobClient().<T> getAsyncJob(job.getJobId());
      checkState(completed, "job %s failed to complete in time %s", job.getJobId(), jobWithResult);
      if (jobWithResult.getError() != null)
         throw new UncheckedExecutionException(String.format("job %s failed with exception %s", job.getJobId(),
               jobWithResult.getError().toString())) {
         };
      return jobWithResult.getResult();
   }

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   public void testLoaderThrowsAuthorizationExceptionAndAlsoSetsExceptionTypeWhenInUncheckedExecutionException() {
      AtomicReference<AuthorizationException> authException = newReference();
      try {
         new SetAndThrowAuthorizationExceptionSupplierBackedLoader<String>(new Supplier<String>() {
            public String get() {
               throw new UncheckedExecutionException(new AuthorizationException());
            }
         }, authException).load("KEY");
      } finally {
         assertEquals(authException.get().getClass(), AuthorizationException.class);
      }

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   @Test(expectedExceptions = UncheckedExecutionException.class)
   void testDoesntCatchOtherExceptions() {
      BackoffOnNotFoundWhenGetBucketACL backoff = new BackoffOnNotFoundWhenGetBucketACL(mock);


      expect(mock.getBucketACL("foo")).andThrow(new UncheckedExecutionException(new TimeoutException()));


      replay(mock);
      backoff.load("foo");
      verify(mock);
   }

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   @SuppressWarnings("serial")
   @DataProvider(name = "exceptions")
   public Object[][] createExceptions() {
      return new Object[][] { { new ExecutionException() {
      } }, { new UncheckedExecutionException() {
      } }, { new InvalidCacheLoadException("foo") } };
   }

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      throw e;
    } catch (InterruptedException e) {
      Thread.currentThread().interrupt();
      throw new ExecutionException(e);
    } catch (RuntimeException e) {
      throw new UncheckedExecutionException(e);
    } catch (Exception e) {
      throw new ExecutionException(e);
    } catch (Error e) {
      throw new ExecutionError(e);
    } finally {

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      } catch (ExecutionException ee) {
        Throwable cause = ee.getCause();
        if (cause instanceof Error) {
          throw new ExecutionError((Error) cause);
        } else if (cause instanceof RuntimeException) {
          throw new UncheckedExecutionException(cause);
        }
        throw ee;
      } finally {
        postReadCleanup();
      }

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