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o3de/Code/Tools/AssetProcessor/native/utilities/ApplicationManagerAPI.h

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C++

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
#ifndef ASSETPROCESSOR_APPLICATIONMANAGERAPI_H
#define ASSETPROCESSOR_APPLICATIONMANAGERAPI_H
#include <AzCore/EBus/EBus.h>
#include <AzCore/std/parallel/mutex.h>
#pragma once
namespace AssetProcessor
{
//! This class contains notifications broadcast by the Application Manager (Which manages the lifecycle of the application).
//! note, these events will be dispatched sequentially and safely from one specific thread (main UI thread), but may be
//! talking to an object on a different "unsafe" thread and thus appropriate thread safety should be observed by the listener.
class ApplicationManagerNotifications
: public AZ::EBusTraits
{
public:
//////////////////////////////////////////////////////////////////////////
/// Public API:
//! Invoked by the application when its time to shut down
//! Jobs must quit as soon as they can, with 'failed' status.
virtual void ApplicationShutdownRequested() = 0;
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
/// Bus Configuration
ApplicationManagerNotifications() = default;
~ApplicationManagerNotifications() = default;
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Multiple; // any number of connected listeners
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single; // no addressing used.
typedef AZStd::recursive_mutex MutexType; // protect bus addition and removal since listeners can disconnect
using Bus = AZ::EBus<ApplicationManagerNotifications>;
//////////////////////////////////////////////////////////////////////////
};
} // namespace AssetProcesor
#endif // ASSETPROCESSOR_APPLICATIONMANAGERAPI_H