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#rnx #rb none #ROBOMERGE-OWNER: ryan.durand #ROBOMERGE-AUTHOR: ryan.durand #ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900 #ROBOMERGE-BOT: (v613-10869866) [CL 10870549 by ryan durand in Main branch]
85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "IMessageSubscription.h"
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class IMessageReceiver;
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/**
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* Implements a message subscription.
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*
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* Message subscriptions are used by the message router to determine where to
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* dispatch published messages to. Message subscriptions are created per message
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* type.
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*/
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class FMessageSubscription
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: public IMessageSubscription
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{
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public:
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/**
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* Creates and initializes a new instance.
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*
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* @param InSubscriber The message subscriber.
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* @param InMessageType The type of messages to subscribe to.
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* @param InReceivingThread The thread on which to receive messages on.
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* @param InScopeRange The message scope range to subscribe to.
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*/
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FMessageSubscription(const TSharedRef<IMessageReceiver, ESPMode::ThreadSafe>& InSubscriber, const FName& InMessageType, const FMessageScopeRange& InScopeRange)
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: Enabled(true)
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, MessageType(InMessageType)
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, ScopeRange(InScopeRange)
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, Subscriber(InSubscriber)
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{ }
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public:
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//~ IMessageSubscription interface
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virtual void Disable() override
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{
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Enabled = false;
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}
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virtual void Enable() override
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{
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Enabled = true;
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}
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virtual FName GetMessageType() override
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{
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return MessageType;
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}
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virtual const FMessageScopeRange& GetScopeRange() override
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{
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return ScopeRange;
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}
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virtual const TWeakPtr<IMessageReceiver, ESPMode::ThreadSafe>& GetSubscriber() override
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{
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return Subscriber;
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}
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virtual bool IsEnabled() override
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{
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return Enabled;
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}
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private:
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/** Holds a flag indicating whether this subscription is enabled. */
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bool Enabled;
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/** Holds the type of subscribed messages. */
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FName MessageType;
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/** Holds the range of message scopes to subscribe to. */
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FMessageScopeRange ScopeRange;
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/** Holds the subscriber. */
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TWeakPtr<IMessageReceiver, ESPMode::ThreadSafe> Subscriber;
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};
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