/*
* Copyright 2011 LMAX Ltd.
*
* 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 com.lmax.disruptor.dsl;
import com.lmax.disruptor.BatchEventProcessor;
import com.lmax.disruptor.EventHandler;
import com.lmax.disruptor.ExceptionHandler;
/**
* A support class used as part of setting an exception handler for a specific event handler.
* For example:
* <pre><code>disruptorWizard.handleExceptionsIn(eventHandler).with(exceptionHandler);</code></pre>
*
* @param <T> the type of event being handled.
*/
public class ExceptionHandlerSetting<T>
{
private final EventHandler<T> eventHandler;
private final EventProcessorRepository<T> eventProcessorRepository;
ExceptionHandlerSetting(final EventHandler<T> eventHandler,
final EventProcessorRepository<T> eventProcessorRepository)
{
this.eventHandler = eventHandler;
this.eventProcessorRepository = eventProcessorRepository;
}
/**
* Specify the {@link ExceptionHandler} to use with the event handler.
*
* @param exceptionHandler the exception handler to use.
*/
public void with(ExceptionHandler exceptionHandler)
{
((BatchEventProcessor<?>)eventProcessorRepository.getEventProcessorFor(eventHandler)).setExceptionHandler(exceptionHandler);
eventProcessorRepository.getBarrierFor(eventHandler).alert();
}
}