From a2a3c6531152fc5e8b7fabb51e932caa7b8e94f5 Mon Sep 17 00:00:00 2001
From: Shauren <shauren.trinity@gmail.com>
Date: Wed, 9 Jul 2025 20:14:21 +0200
Subject: Core/Database: Add Empty and CancelAll functions to
 AsyncCallbackProcessor and enable callback concept check

(cherry picked from commit b4f7948dfbe991879dca39dc9b3d53056b8a9e81)
---
 src/server/database/Database/DatabaseEnvFwd.h | 7 ++++---
 src/server/database/Database/QueryCallback.h  | 2 ++
 src/server/database/Database/QueryHolder.h    | 2 ++
 src/server/database/Database/Transaction.h    | 2 ++
 4 files changed, 10 insertions(+), 3 deletions(-)

(limited to 'src/server/database/Database')

diff --git a/src/server/database/Database/DatabaseEnvFwd.h b/src/server/database/Database/DatabaseEnvFwd.h
index c92c8092775..6167e936f76 100644
--- a/src/server/database/Database/DatabaseEnvFwd.h
+++ b/src/server/database/Database/DatabaseEnvFwd.h
@@ -18,6 +18,7 @@
 #ifndef DatabaseEnvFwd_h__
 #define DatabaseEnvFwd_h__
 
+#include "AsyncCallbackProcessorFwd.h"
 #include <future>
 #include <memory>
 
@@ -48,9 +49,7 @@ using PreparedQueryResultFuture = std::future<PreparedQueryResult>;
 using PreparedQueryResultPromise = std::promise<PreparedQueryResult>;
 
 class QueryCallback;
-
-template<typename T>
-class AsyncCallbackProcessor;
+bool InvokeAsyncCallbackIfReady(QueryCallback& callback);
 
 using QueryCallbackProcessor = AsyncCallbackProcessor<QueryCallback>;
 
@@ -63,6 +62,7 @@ template<typename T>
 class Transaction;
 
 class TransactionCallback;
+bool InvokeAsyncCallbackIfReady(TransactionCallback& callback);
 
 template<typename T>
 using SQLTransaction = std::shared_ptr<Transaction<T>>;
@@ -83,6 +83,7 @@ using LoginDatabaseQueryHolder = SQLQueryHolder<LoginDatabaseConnection>;
 using WorldDatabaseQueryHolder = SQLQueryHolder<WorldDatabaseConnection>;
 
 class SQLQueryHolderCallback;
+bool InvokeAsyncCallbackIfReady(SQLQueryHolderCallback& callback);
 
 // mysql
 struct MySQLHandle;
diff --git a/src/server/database/Database/QueryCallback.h b/src/server/database/Database/QueryCallback.h
index 6cc315964b7..bfdb674e072 100644
--- a/src/server/database/Database/QueryCallback.h
+++ b/src/server/database/Database/QueryCallback.h
@@ -66,4 +66,6 @@ private:
     std::queue<QueryCallbackData, std::list<QueryCallbackData>> _callbacks;
 };
 
+inline bool InvokeAsyncCallbackIfReady(QueryCallback& callback) { return callback.InvokeIfReady(); }
+
 #endif // _QUERY_CALLBACK_H
diff --git a/src/server/database/Database/QueryHolder.h b/src/server/database/Database/QueryHolder.h
index 25687fedd81..3a461011c72 100644
--- a/src/server/database/Database/QueryHolder.h
+++ b/src/server/database/Database/QueryHolder.h
@@ -85,4 +85,6 @@ public:
     std::function<void(SQLQueryHolderBase const&)> m_callback;
 };
 
+inline bool InvokeAsyncCallbackIfReady(SQLQueryHolderCallback& callback) { return callback.InvokeIfReady(); }
+
 #endif
diff --git a/src/server/database/Database/Transaction.h b/src/server/database/Database/Transaction.h
index 2d1ba4da14f..7d7ae17dfca 100644
--- a/src/server/database/Database/Transaction.h
+++ b/src/server/database/Database/Transaction.h
@@ -120,4 +120,6 @@ public:
     std::function<void(bool)> m_callback;
 };
 
+inline bool InvokeAsyncCallbackIfReady(TransactionCallback& callback) { return callback.InvokeIfReady(); }
+
 #endif
-- 
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