failure = new Failure(t); } catch (Throwable oomMostLikely) { failure = Failure.FALLBACK_INSTANCE;
/** * Sets the failed result of this {@code Future} unless this {@code Future} has already been * cancelled or set (including {@linkplain #setFuture set asynchronously}). When a call to this * method returns, the {@code Future} is guaranteed to be {@linkplain #isDone done} <b>only if</b> * the call was accepted (in which case it returns {@code true}). If it returns {@code false}, the * {@code Future} may have previously been set asynchronously, in which case its result may not be * known yet. That result, though not yet known, cannot by overridden by a call to a {@code set*} * method, only by a call to {@link #cancel}. * * @param throwable the exception to be used as the failed result * @return true if the attempt was accepted, completing the {@code Future} */ protected boolean setException(Throwable throwable) { Object valueToSet = new Failure(Preconditions.checkNotNull(throwable)); if (ATOMIC_HELPER.casValue(this, null, valueToSet)) { complete(); return true; } return false; }