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Java library for Azure Service Bus

There is a newer version: 3.6.7

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.

package com.microsoft.azure.servicebus.amqp;

import org.apache.qpid.proton.engine.BaseHandler;
import org.apache.qpid.proton.engine.Event;
import org.apache.qpid.proton.engine.Event.Type;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class LoggingHandler extends BaseHandler {
    private static final Logger TRACE_LOGGER = LoggerFactory.getLogger(LoggingHandler.class);
    
    @Override
    public void onUnhandled(Event event) {
        if (TRACE_LOGGER.isTraceEnabled() && event.getType() != Type.REACTOR_QUIESCED) { // Too may REACTOR_QUIESCED events will be raised
            TRACE_LOGGER.trace("Event raised by protonj: {}", event.toString());
        }
    }   
}