rmqp_messageguard.h

// Copyright 2020-2023 Bloomberg Finance L.P.
// SPDX-License-Identifier: Apache-2.0
//
// 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.
 
#ifndef INCLUDED_RMQP_MESSAGEGUARD
#define INCLUDED_RMQP_MESSAGEGUARD
 
#include <rmqt_consumerack.h>
#include <rmqt_message.h>
 
#include <bsl_functional.h>
#include <bsl_memory.h>
 
namespace BloombergLP {
namespace rmqp {
class Consumer;
class MessageGuard;
 
typedef bsl::shared_ptr<MessageGuard> TransferrableMessageGuard;
 
 
class MessageGuard {
  public:
    typedef bsl::function<void(const rmqt::ConsumerAck&)> MessageGuardCallback;
 
    virtual ~MessageGuard();
 
    virtual const rmqt::Message& message() const = 0;
 
    virtual const rmqt::Envelope& envelope() const = 0;
 
    virtual void ack() = 0;
 
    virtual void nack(bool requeue = true) = 0;
 
    virtual Consumer* consumer() const = 0;
 
    virtual TransferrableMessageGuard transferOwnership() = 0;
 
  private:
    MessageGuard& operator=(const MessageGuard& other);
 
}; // class MessageGuard
 
} // namespace rmqp
} // namespace BloombergLP
 
#endif // ! INCLUDED_RMQP_MESSAGEGUARD