bmqpi_hosthealthmonitor.h

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// Copyright 2021-2023 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.
 
// bmqpi_hosthealthmonitor.h                                          -*-C++-*-
#ifndef INCLUDED_BMQPI_HOSTHEALTHMONITOR
#define INCLUDED_BMQPI_HOSTHEALTHMONITOR
 
 
// BMQ
 
#include <bmqt_hosthealthstate.h>
 
// BDE
#include <bdlmt_signaler.h>
#include <bsl_functional.h>
 
namespace BloombergLP {
namespace bmqpi {
 
// =======================
// class HostHealthMonitor
// =======================
 
class HostHealthMonitor {
  public:
    // TYPES
 
    typedef bsl::function<void(bmqt::HostHealthState::Enum)>
        HostHealthChangeFn;
 
  public:
    // CREATORS
 
    virtual ~HostHealthMonitor();
 
    // MANIPULATORS
 
    virtual bdlmt::SignalerConnection
    observeHostHealth(const HostHealthChangeFn& cb) = 0;
 
    // ACCESSORS
 
    virtual bmqt::HostHealthState::Enum hostState() const = 0;
};
 
}  // close package namespace
}  // close enterprise namespace
 
#endif