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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_CORE_INCLUDE_VR_REQUEST_H_
#define VSHL_CORE_INCLUDE_VR_REQUEST_H_
#include <memory>
#include <list>
#include "interfaces/afb/IAFBApi.h"
#include "interfaces/utilities/logging/ILogger.h"
#include "interfaces/voiceagents/IVoiceAgent.h"
using namespace std;
namespace vshlcore {
namespace core {
/*
* This class implements the notion of a Voice Recognition Request.
* Each VR Request is currently mapped to one voice agent.
*/
class VRRequest {
public:
// API Verbs
static std::string VA_VERB_STARTLISTENING;
static std::string VA_VERB_SUBSCRIBETOCBLEVENTS;
static std::string VA_VERB_CANCEL;
// Create a VRRequest.
static unique_ptr<VRRequest> create(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::common::interfaces::IAFBApi> afbApi,
string requestId,
shared_ptr<vshlcore::common::interfaces::IVoiceAgent> voiceAgent);
// Destructor
~VRRequest();
// Invokes the underlying voiceagent's startlistening API.
// Returns true if started successfully. False otherwise.
bool startListening();
// Invokes the underlying voiceagent's subscribe to login events API.
// Returns true if successful, false otherwise.
bool subscribeToLoginEvents(std::list<std::string> *args);
// Cancels the voice recognition in the unlerlying voiceagent.
// Returns true if canceled successfully. False otherwise.
bool cancel();
private:
// Constructor
VRRequest(
shared_ptr<vshlcore::common::interfaces::ILogger> logger,
shared_ptr<vshlcore::common::interfaces::IAFBApi> afbApi,
const string requestId,
shared_ptr<vshlcore::common::interfaces::IVoiceAgent> voiceAgent);
// Binding API reference.
shared_ptr<vshlcore::common::interfaces::IAFBApi> mApi;
// Voice agent associated with this request
shared_ptr<vshlcore::common::interfaces::IVoiceAgent> mVoiceAgent;
// Request ID
string mRequestId;
// Logger
shared_ptr<vshlcore::common::interfaces::ILogger> mLogger;
};
} // namespace core
} // namespace vshl
#endif // VSHL_CORE_INCLUDE_VR_REQUEST_H_
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