001/*******************************************************************************
002 * Copyright (c) 2017 Red Hat Inc and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Red Hat Inc - initial API and implementation
011 *******************************************************************************/
012package org.eclipse.kapua.gateway.client;
013
014import static java.util.Objects.requireNonNull;
015
016import java.util.Optional;
017
018/**
019 * An interface to publish data
020 * 
021 * @param <X> base class of sender errors
022 */
023public interface Sender<X extends Throwable> {
024
025    public void send(Payload payload) throws X;
026
027    public default void send(final Payload.Builder payload) throws X {
028        send(payload.build());
029    }
030
031    public default <Y extends Throwable> Sender<Y> errors(final ErrorHandler<Y> errorHandler) {
032        return new Sender<Y>() {
033
034            @Override
035            public void send(final Payload payload) throws Y {
036                requireNonNull(payload);
037
038                try {
039                    Sender.this.send(payload);
040                } catch (final Throwable e) {
041                    errorHandler.handleError(e, Optional.of(payload));
042                }
043            }
044        };
045
046    }
047}