rmqp_consumer.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_CONSUMER
#define INCLUDED_RMQP_CONSUMER
 
#include <rmqp_messageguard.h>
#include <rmqp_topologyupdate.h>
#include <rmqt_future.h>
#include <rmqt_message.h>
#include <rmqt_result.h>
#include <rmqt_topology.h>
#include <rmqt_topologyupdate.h>
 
#include <bsl_functional.h>
 
namespace BloombergLP {
namespace rmqp {
 
 
class Consumer {
  public:
    // TYPES
 
    typedef bsl::function<void(rmqp::MessageGuard&)> ConsumerFunc;
 
    // CREATORS
    Consumer();
 
    virtual rmqt::Future<> cancel() = 0;
 
    virtual rmqt::Future<> drain() = 0;
 
    virtual rmqt::Result<>
    cancelAndDrain(const bsls::TimeInterval& timeout) = 0;
 
    virtual rmqt::Future<>
    updateTopologyAsync(const rmqt::TopologyUpdate& topologyUpdate) = 0;
 
    virtual ~Consumer();
 
  private:
    Consumer(const Consumer&) BSLS_KEYWORD_DELETED;
    Consumer& operator=(const Consumer&) BSLS_KEYWORD_DELETED;
 
}; // class Consumer
 
} // namespace rmqp
} // namespace BloombergLP
 
#endif // ! INCLUDED_RMQP_CONSUMER