com.lmax.disruptor.dsl.ExceptionHandlerWrapper Maven / Gradle / Ivy

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package com.lmax.disruptor.dsl;

import com.lmax.disruptor.ExceptionHandler;
import com.lmax.disruptor.ExceptionHandlers;

public class ExceptionHandlerWrapper implements ExceptionHandler
{
    private ExceptionHandler delegate;

    public void switchTo(final ExceptionHandler exceptionHandler)
    {
        this.delegate = exceptionHandler;
    }

    @Override
    public void handleEventException(final Throwable ex, final long sequence, final T event)
    {
        getExceptionHandler().handleEventException(ex, sequence, event);
    }

    @Override
    public void handleOnStartException(final Throwable ex)
    {
        getExceptionHandler().handleOnStartException(ex);
    }

    @Override
    public void handleOnShutdownException(final Throwable ex)
    {
        getExceptionHandler() .handleOnShutdownException(ex);
    }

    private ExceptionHandler getExceptionHandler()
    {
        ExceptionHandler handler = delegate;
        if (handler == null)
        {
            return ExceptionHandlers.defaultHandler();
        }
        return handler;
    }
}