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/*
* Copyright 2018-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file 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 VSHL_CAPABILITIES_CORE_MESSAGECHANNEL_H_
#define VSHL_CAPABILITIES_CORE_MESSAGECHANNEL_H_
#include <memory>
#include "capabilities/core/include/PublisherForwarder.h"
#include "capabilities/core/include/SubscriberForwarder.h"
#include "interfaces/afb/IAFBApi.h"
#include "interfaces/capabilities/ICapability.h"
#include "interfaces/utilities/logging/ILogger.h"
using namespace std;
namespace vshlcapabilities {
namespace capabilities {
namespace core {
/*
* MessageChannel has one end as publisher forwarder and the other end
* as subscriber forwarder.
*/
class MessageChannel {
public:
// Create a MessageChannel.
static std::shared_ptr<MessageChannel>
create(shared_ptr<vshlcapabilities::common::interfaces::ILogger> logger,
shared_ptr<vshlcapabilities::common::interfaces::IAFBApi> afbApi,
shared_ptr<vshlcapabilities::common::interfaces::ICapability> capability);
// Sends the message
bool publish(const string action, json_object* payload);
// Subscribe
bool subscribe(vshlcapabilities::common::interfaces::IAFBRequest &request,
const string action);
// Destructor
virtual ~MessageChannel() = default;
private:
// Constructor
MessageChannel(shared_ptr<vshlcapabilities::common::interfaces::ILogger> logger,
shared_ptr<vshlcapabilities::common::interfaces::IAFBApi> afbApi,
shared_ptr<vshlcapabilities::common::interfaces::ICapability> capability);
// Forwarders
shared_ptr<PublisherForwarder> mPublisherForwarder;
shared_ptr<SubscriberForwarder> mSubscriberForwarder;
};
} // namespace core
} // namespace capabilities
} // namespace vshl
#endif // VSHL_CAPABILITIES_CORE_MESSAGECHANNEL_H_
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