/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.common.client.api;
/**
* Callback interface for failed delivery of specific messages for which an error handler has been provided using the
* {@code MessageBuilder} API.
* <p>
* Errors can also be handled globally by subscribing a regular to the bus topic
* DefaultErrorCallback.CLIENT_ERROR_SUBJECT.
*
* @author Mike Brock
*/
public interface ErrorCallback<T> {
/**
* Called when an error occurs on the bus.
*
* @param message
* The message or request for which the failure occurred.
* @param throwable
* The exception thrown or null if not available
*
* @return boolean indicating whether or not the default error handling should be performed.
*/
public boolean error(T message, Throwable throwable);
}