Examples with Promise org.osgi.util.promise.Promise used on opensource projects

Example 21 with Promise

use of org.osgi.util.promise.Promise in project aries by apache.

the class PromiseImpl method delay.

@Override
public Promise<T> delay(final long milliseconds) {
    final PromiseImpl<T> p = new PromiseImpl<T>();
    then(new Success<T, T>() {

        @Override
        public Promise<T> call(final Promise<T> resolved) throws Exception {
            ses.schedule(new Runnable() {

                @Override
                public void run() {
                    try {
                        p.resolve(resolved.getValue());
                    } catch (IllegalStateException ise) {
                    // Someone else resolved our promise?
                    } catch (Exception e) {
                        p.fail(e);
                    }
                }
            }, milliseconds, MILLISECONDS);
            return null;
        }
    }, new Failure() {

        @Override
        public void fail(final Promise<?> resolved) throws Exception {
            ses.schedule(new Runnable() {

                @Override
                public void run() {
                    try {
                        p.fail(resolved.getFailure());
                    } catch (Exception e) {
                        p.fail(e);
                    }
                }
            }, milliseconds, MILLISECONDS);
        }
    });
    return p;
}