logic: added option to execute custom indexer commands in parallel

src/lib/data/indexer/TaskExecuteCustomCommands.h

@@ -1,6 +1,7 @@
 #ifndef TASK_EXECUTE_CUSTOM_COMMANDS_H
 #define TASK_EXECUTE_CUSTOM_COMMANDS_H
 
+#include <set>
 #include <vector>
 
 #include "FilePath.h"
@@ -10,6 +11,7 @@
 #include "MessageListener.h"
 
 class DialogView;
+class IndexerCommandCustom;
 class IndexerCommandProvider;
 class PersistentStorage;
 
@@ -22,6 +24,7 @@ public:
 		std::unique_ptr<IndexerCommandProvider> indexerCommandProvider,
 		std::shared_ptr<PersistentStorage> storage,
 		std::shared_ptr<DialogView> dialogView,
+		int indexerThreadCount,
 		const FilePath& projectDirectory);
 
 private:
@@ -32,13 +35,24 @@ private:
 
 	void handleMessage(MessageIndexingInterrupted* message) override;
 
+	void executeParallelIndexerCommands(int threadId, std::shared_ptr<Blackboard> blackboard);
+	void runIndexerCommand(std::shared_ptr<IndexerCommandCustom> indexerCommand, std::shared_ptr<Blackboard> blackboard);
+
 	std::unique_ptr<IndexerCommandProvider> m_indexerCommandProvider;
 	std::shared_ptr<PersistentStorage> m_storage;
 	std::shared_ptr<DialogView> m_dialogView;
+	const int m_indexerThreadCount;
 	const FilePath m_projectDirectory;
 
 	TimeStamp m_start;
 	bool m_interrupted = false;
+	int m_indexerCommandCount;
+	std::vector<std::shared_ptr<IndexerCommandCustom>> m_serialCommands;
+	std::vector<std::shared_ptr<IndexerCommandCustom>> m_parallelCommands;
+	std::mutex m_parallelCommandsMutex;
+	FilePath m_targetDatabaseFilePath;
+	std::set<FilePath> m_sourceDatabaseFilePaths;
+	std::mutex m_sourceDatabaseFilePathsMutex;
 };
 
 #endif // TASK_EXECUTE_CUSTOM_COMMANDS_H