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- Added frontend search engine to cache frontend queries - Allowing frontend queries to be updated in place. - Tracking node registration transactions to allow incremental runtime checks of newly registered nodes. - Create public RegistryContainer interface and hide implementation to allow for further optimizations without changing public headers #jira UEAU-749 #rb Max.Hayes, Jimmy.Smith #preflight 606399a6e05c4e0001a0d173 #ROBOMERGE-SOURCE: CL 15868737 in //UE5/Release-5.0-EarlyAccess/... #ROBOMERGE-BOT: STARSHIP (Release-5.0-EarlyAccess -> Main) (v786-15839533) [CL 15868744 by phil popp in ue5-main branch]
76 lines
2.3 KiB
C++
76 lines
2.3 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 "MetasoundFrontend.h"
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namespace Metasound
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{
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namespace Frontend
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{
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using FRegistryTransactionID = int32;
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/** Returns an ID representing the beginning of the transaction history. */
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FRegistryTransactionID GetOriginRegistryTransactionID();
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/** Interface for a registry transaction. */
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class IRegistryTransaction
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{
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public:
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virtual ~IRegistryTransaction() = default;
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virtual TUniquePtr<IRegistryTransaction> Clone() const = 0;
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/** If a FNodeClassInfo added during the transaction, this will return
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* a non-null pointer to the FNodeClassInfo. */
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virtual const FNodeClassInfo* GetNodeClassInfo() const = 0;
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};
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using FRegistryTransactionPtr = TUniquePtr<IRegistryTransaction>;
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/** Create a node registration transaction. */
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FRegistryTransactionPtr MakeNodeRegistrationTransaction(const FNodeClassInfo& InInfo);
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/** Maintains a history of IRegistryTransactions. Calls are threadsafe (excluding
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* the constructor and destructor.)
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*/
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class FRegistryTransactionHistory
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{
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public:
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FRegistryTransactionHistory();
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/** Add a transaction to the history. Threadsafe.
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*
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* @return The transaction ID associated with the action. */
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FRegistryTransactionID Add(FRegistryTransactionPtr&& InRegistryTransaction);
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/** Add a transaction to the history. Threadsafe.
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*
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* @return The transaction ID associated with the action. */
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FRegistryTransactionID Add(const IRegistryTransaction& InRegistryTransaction);
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/** Gets the transaction ID of the most recent transaction. Threadsafe. */
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FRegistryTransactionID GetCurrent() const;
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/** Returns an array of transaction pointers. Threadsafe.
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*
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* @param InSince - All transactions occuring after this transaction ID will be returned.
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* @param OutCurrent - If not null, will be set to the most recent transaction ID returned.
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*/
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TArray<const IRegistryTransaction*> GetTransactions(FRegistryTransactionID InSince, FRegistryTransactionID* OutCurrent) const;
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private:
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mutable FCriticalSection RegistryTransactionMutex;
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FRegistryTransactionID Current;
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TMap<FRegistryTransactionID, int32> RegistryTransactionIndexMap;
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TArray<FRegistryTransactionPtr> RegistryTransactions;
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};
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}
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}
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