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The RabbitMQ Java client library allows Java applications to interface with RabbitMQ.

There is a newer version: 5.22.0

//   The contents of this file are subject to the Mozilla Public License
//   Version 1.1 (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.mozilla.org/MPL/
//
//   Software distributed under the License is distributed on an "AS IS"
//   basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
//   License for the specific language governing rights and limitations
//   under the License.
//
//   The Original Code is RabbitMQ.
//
//   The Initial Developers of the Original Code are LShift Ltd,
//   Cohesive Financial Technologies LLC, and Rabbit Technologies Ltd.
//
//   Portions created before 22-Nov-2008 00:00:00 GMT by LShift Ltd,
//   Cohesive Financial Technologies LLC, or Rabbit Technologies Ltd
//   are Copyright (C) 2007-2008 LShift Ltd, Cohesive Financial
//   Technologies LLC, and Rabbit Technologies Ltd.
//
//   Portions created by LShift Ltd are Copyright (C) 2007-2010 LShift
//   Ltd. Portions created by Cohesive Financial Technologies LLC are
//   Copyright (C) 2007-2010 Cohesive Financial Technologies
//   LLC. Portions created by Rabbit Technologies Ltd are Copyright
//   (C) 2007-2010 Rabbit Technologies Ltd.
//
//   All Rights Reserved.
//
//   Contributor(s): ______________________________________.
//

package com.rabbitmq.client;

import com.rabbitmq.client.impl.Method;

/**
 * Indicates that a {@link Method} object was supplied that was not
 * expected. For instance, {@link Channel#basicGet} throws this if it
 * receives anything other than {@link AMQP.Basic.GetOk} or
 * {@link AMQP.Basic.GetEmpty}, and {@link com.rabbitmq.client.impl.AMQImpl.DefaultMethodVisitor}
 * throws this as the default action within each visitor case.
 */
public class UnexpectedMethodError extends Error {
    private static final long serialVersionUID = 1L;
    private final Method _method;

    /**
     * Construct an UnexpecteMethodError with the given method parameter
     * @param method the unexpected method
     */
    public UnexpectedMethodError(Method method) {
        _method = method;
    }

    /**
     * Return a string representation of this error.
     * @return a string describing the error
     */
    public String toString() {
        return super.toString() + ": " + _method;
    }

    /**
     * Return the wrapped method.
     * @return the method whose appearance was "unexpected" and was deemed an error
     */
    public Method getMethod() {
        return _method;
    }
}