Method apply

future-java/src/main/java/io/trane/future/Promise.java:38–64

Creates a promise that triggers the provided handlers in case it receives an interrupt. @param handlers the list of handlers to be triggered. @return the new promise instance.

(final List<? extends InterruptHandler> handlers)

   * @return          the new promise instance.
   */
  public static final <T> Promise<T> apply(final List<? extends InterruptHandler> handlers) {
    final Optional<?>[] savedContext = Local.save();
    if (savedContext.length == 0)
      return new Promise<T>() {
        @Override
        protected final Optional<?>[] getSavedContext() {
          return Local.EMPTY;
        }

        @Override
        protected final InterruptHandler getInterruptHandler() {
          return InterruptHandler.apply(handlers);
        }
      };
    else
      return new Promise<T>() {
        @Override
        protected final Optional<?>[] getSavedContext() {
          return savedContext;
        }

        @Override
        protected final InterruptHandler getInterruptHandler() {
          return InterruptHandler.apply(handlers);
        }
      };
  }

  /**
   * Creates a promise that triggers the provided handler in case it receives an