logic: improved indexer parallelization

* added task that injects into PersistentStorage parallel to indexer tasks.
* added Blackboard for Task classes

src/app/data/parser/cxx/TaskParseCxx.cpp

@@ -6,8 +6,9 @@
 
 #include "component/view/DialogView.h"
 #include "data/parser/cxx/CxxParser.h"
-#include "data/IntermediateStorage.h"
+#include "data/StorageProvider.h"
 #include "utility/file/FileRegister.h"
+#include "utility/scheduling/Blackboard.h"
 #include "utility/utility.h"
 
 std::vector<FilePath> TaskParseCxx::getSourceFilesFromCDB(const FilePath& compilationDatabasePath)
@@ -29,12 +30,12 @@ std::vector<FilePath> TaskParseCxx::getSourceFilesFromCDB(const FilePath& compil
 }
 
 TaskParseCxx::TaskParseCxx(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister,
 	const Parser::Arguments& arguments,
 	DialogView* dialogView
 )
-	: m_storage(storage)
+	: m_storageProvider(storageProvider)
 	, m_arguments(arguments)
 	, m_dialogView(dialogView)
 	, m_isCDB(false)
@@ -48,8 +49,15 @@ TaskParseCxx::TaskParseCxx(
 	m_parser = std::make_shared<CxxParser>(m_parserClient.get(), fileRegister);
 }
 
-void TaskParseCxx::doEnter()
+void TaskParseCxx::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
+	int indexerCount = 0;
+	if (blackboard->get("indexer_count", indexerCount))
+	{
+		indexerCount++;
+		blackboard->set("indexer_count", indexerCount);
+	}
+
 	if (m_isCDB)
 	{
 		std::string error;
@@ -64,20 +72,24 @@ void TaskParseCxx::doEnter()
 	}
 }
 
-Task::TaskState TaskParseCxx::doUpdate()
+Task::TaskState TaskParseCxx::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	FileRegister* fileRegister = m_parser->getFileRegister();
 
 	FilePath sourcePath = fileRegister->consumeSourceFile();
 
-	if (!sourcePath.empty())
+	if (sourcePath.empty())
+	{
+		return STATE_FAILURE;
+	}
+	else
 	{
 		m_dialogView->updateIndexingDialog(
 			fileRegister->getParsedSourceFilesCount(), fileRegister->getSourceFilesCount(), sourcePath.str()
 		);
 
-		m_storage->clear();
+		std::shared_ptr<IntermediateStorage> storage = m_storageProvider->popIndexerTarget();
-		m_parserClient->setStorage(m_storage);
+		m_parserClient->setStorage(storage);
 		m_parserClient->startParsingFile();
 
 		if (m_isCDB)
@@ -99,17 +111,24 @@ Task::TaskState TaskParseCxx::doUpdate()
 		if (!m_interrupted)
 		{
 			fileRegister->markThreadFilesParsed();
+			m_storageProvider->pushIndexerTarget(storage);
 		}
 	}
 
 	return (m_interrupted ? STATE_FAILURE : STATE_SUCCESS);
 }
 
-void TaskParseCxx::doExit()
+void TaskParseCxx::doExit(std::shared_ptr<Blackboard> blackboard)
 {
+	int indexerCount = 0;
+	if (blackboard->get("indexer_count", indexerCount))
+	{
+		indexerCount--;
+		blackboard->set("indexer_count", indexerCount);
+	}
 }
 
-void TaskParseCxx::doReset()
+void TaskParseCxx::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }
 

src/app/data/parser/cxx/TaskParseWrapper.cpp

@@ -4,6 +4,7 @@
 #include "data/PersistentStorage.h"
 #include "utility/file/FileRegister.h"
 #include "utility/messaging/type/MessageFinishedParsing.h"
+#include "utility/scheduling/Blackboard.h"
 #include "utility/utility.h"
 
 TaskParseWrapper::TaskParseWrapper(
@@ -29,21 +30,24 @@ void TaskParseWrapper::setTask(std::shared_ptr<Task> task)
 	}
 }
 
-void TaskParseWrapper::doEnter()
+void TaskParseWrapper::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
+	blackboard->set("indexer_count", 0);
 	m_dialogView->updateIndexingDialog(0, m_fileRegister->getSourceFilesCount(), "");
 
 	m_start = utility::durationStart();
 	m_storage->startParsing();
 }
 
-Task::TaskState TaskParseWrapper::doUpdate()
+Task::TaskState TaskParseWrapper::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
-	return m_taskRunner->update();
+	return m_taskRunner->update(blackboard);
 }
 
-void TaskParseWrapper::doExit()
+void TaskParseWrapper::doExit(std::shared_ptr<Blackboard> blackboard)
 {
+	blackboard->clear("indexer_count");
+
 	m_dialogView->showProgressDialog("Finish Indexing", "Optimizing database");
 
 	m_storage->optimizeMemory();
@@ -64,7 +68,7 @@ void TaskParseWrapper::doExit()
 	);
 }
 
-void TaskParseWrapper::doReset()
+void TaskParseWrapper::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 	m_taskRunner->reset();
 }

src/app/data/parser/java/TaskParseJava.cpp

@@ -3,19 +3,20 @@
 #include "component/view/DialogView.h"
 #include "data/parser/java/JavaParser.h"
 #include "data/parser/ParserClientImpl.h"
-#include "data/IntermediateStorage.h"
+#include "data/StorageProvider.h"
 #include "utility/file/FileRegister.h"
 #include "utility/messaging/type/MessageFinishedParsing.h"
+#include "utility/scheduling/Blackboard.h"
 #include "utility/text/TextAccess.h"
 #include "utility/utility.h"
 
 TaskParseJava::TaskParseJava(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister,
 	const Parser::Arguments& arguments,
 	DialogView* dialogView
 )
-	: m_storage(storage)
+	: m_storageProvider(storageProvider)
 	, m_fileRegister(fileRegister)
 	, m_arguments(arguments)
 	, m_dialogView(dialogView)
@@ -23,25 +24,35 @@ TaskParseJava::TaskParseJava(
 {
 }
 
-void TaskParseJava::doEnter()
+void TaskParseJava::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
+	int indexerCount = 0;
+	if (blackboard->get("indexer_count", indexerCount))
+	{
+		indexerCount++;
+		blackboard->set("indexer_count", indexerCount);
+	}
 }
 
-Task::TaskState TaskParseJava::doUpdate()
+Task::TaskState TaskParseJava::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	std::shared_ptr<ParserClientImpl> parserClient = std::make_shared<ParserClientImpl>();
 	std::shared_ptr<JavaParser> parser = std::make_shared<JavaParser>(parserClient.get());
 
 	FilePath sourcePath = m_fileRegister->consumeSourceFile();
 
-	if (!sourcePath.empty())
+	if (sourcePath.empty())
+	{
+		return STATE_FAILURE;
+	}
+	else
 	{
 		m_dialogView->updateIndexingDialog(
 			m_fileRegister->getParsedSourceFilesCount(), m_fileRegister->getSourceFilesCount(), sourcePath.str()
 		);
 
-		m_storage->clear();
+		std::shared_ptr<IntermediateStorage> storage = m_storageProvider->popIndexerTarget();
-		parserClient->setStorage(m_storage);
+		parserClient->setStorage(storage);
 		parserClient->startParsingFile();
 
 		parser->parseFile(sourcePath, TextAccess::createFromFile(sourcePath.str()), m_arguments);
@@ -49,17 +60,27 @@ Task::TaskState TaskParseJava::doUpdate()
 		parserClient->finishParsingFile();
 		parserClient->resetStorage();
 
-		m_fileRegister->markThreadFilesParsed(); // todo: rename to markThreadFilesProcessed
+		if (!m_interrupted)
+		{
+			m_fileRegister->markThreadFilesParsed(); // todo: rename to markThreadFilesProcessed
+			m_storageProvider->pushIndexerTarget(storage);
+		}
 	}
 
 	return (m_interrupted ? STATE_FAILURE : STATE_SUCCESS);
 }
 
-void TaskParseJava::doExit()
+void TaskParseJava::doExit(std::shared_ptr<Blackboard> blackboard)
 {
+	int indexerCount = 0;
+	if (blackboard->get("indexer_count", indexerCount))
+	{
+		indexerCount--;
+		blackboard->set("indexer_count", indexerCount);
+	}
 }
 
-void TaskParseJava::doReset()
+void TaskParseJava::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }
 

src/lib/CMakeLists.txt

@@ -188,14 +188,14 @@ add_files(
 	data/Storage.h
 	data/StorageCache.cpp
 	data/StorageCache.h
+	data/StorageProvider.cpp
+	data/StorageProvider.h
 	data/StorageTypes.h
 	data/StorageStats.h
 	data/TaskCleanStorage.cpp
 	data/TaskCleanStorage.h
 	data/TaskInjectStorage.cpp
 	data/TaskInjectStorage.h
-	data/TaskRepeatWhileUnparsedSourceFilesAvailable.cpp
-	data/TaskRepeatWhileUnparsedSourceFilesAvailable.h
 
 	settings/ApplicationSettings.cpp
 	settings/ApplicationSettings.h
@@ -306,6 +306,8 @@ add_files(
 	utility/messaging/MessageQueue.cpp
 	utility/messaging/MessageQueue.h
 
+	utility/scheduling/Blackboard.cpp
+	utility/scheduling/Blackboard.h
 	utility/scheduling/Task.cpp
 	utility/scheduling/Task.h
 	utility/scheduling/TaskDecorator.cpp
@@ -318,6 +320,8 @@ add_files(
 	utility/scheduling/TaskGroupSequential.h
 	utility/scheduling/TaskLambda.cpp
 	utility/scheduling/TaskLambda.h
+	utility/scheduling/TaskRepeatWhileSuccess.cpp
+	utility/scheduling/TaskRepeatWhileSuccess.h
 	utility/scheduling/TaskRunner.cpp
 	utility/scheduling/TaskRunner.h
 	utility/scheduling/TaskScheduler.cpp

src/lib/CxxProject.cpp

@@ -54,11 +54,11 @@ bool CxxProject::prepareRefresh()
 }
 
 std::shared_ptr<Task> CxxProject::createIndexerTask(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister)
 {
 	return std::make_shared<TaskParseCxx>(
-		storage,
+		storageProvider,
 		fileRegister,
 		getParserArguments(),
 		getDialogView()

src/lib/CxxProject.h

@@ -26,7 +26,7 @@ private:
 	virtual bool prepareRefresh();
 
 	virtual std::shared_ptr<Task> createIndexerTask(
-		std::shared_ptr<IntermediateStorage> storage,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<FileRegister> fileRegister);
 
 	virtual void updateFileManager(FileManager& fileManager);

src/lib/JavaProject.cpp

@@ -76,7 +76,7 @@ bool JavaProject::prepareIndexing()
 }
 
 std::shared_ptr<Task> JavaProject::createIndexerTask(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister)
 {
 	Parser::Arguments arguments;
@@ -98,7 +98,7 @@ std::shared_ptr<Task> JavaProject::createIndexerTask(
 	}
 
 	return std::make_shared<TaskParseJava>(
-		storage,
+		storageProvider,
 		fileRegister,
 		arguments,
 		getDialogView()

src/lib/JavaProject.h

@@ -26,7 +26,7 @@ private:
 	virtual bool prepareIndexing();
 
 	virtual std::shared_ptr<Task> createIndexerTask(
-		std::shared_ptr<IntermediateStorage> storage,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<FileRegister> fileRegister);
 
 	virtual void updateFileManager(FileManager& fileManager);

src/lib/Project.cpp

@@ -4,10 +4,10 @@
 #include "data/access/StorageAccessProxy.h"
 #include "data/parser/cxx/TaskParseWrapper.h"
 #include "data/parser/java/TaskParseJava.h"
+#include "data/StorageProvider.h"
 #include "data/PersistentStorage.h"
 #include "data/TaskCleanStorage.h"
 #include "data/TaskInjectStorage.h"
-#include "data/TaskRepeatWhileUnparsedSourceFilesAvailable.h"
 #include "settings/ApplicationSettings.h"
 #include "settings/ProjectSettings.h"
 
@@ -17,6 +17,7 @@
 #include "utility/messaging/type/MessageStatus.h"
 #include "utility/scheduling/TaskGroupSequential.h"
 #include "utility/scheduling/TaskGroupParallel.h"
+#include "utility/scheduling/TaskRepeatWhileSuccess.h"
 #include "utility/text/TextAccess.h"
 #include "utility/utility.h"
 #include "utility/utilityString.h"
@@ -310,7 +311,7 @@ bool Project::buildIndex(bool forceRefresh)
 		taskSequential->addTask(std::make_shared<TaskCleanStorage>(m_storage.get(), filesToClean, m_dialogView));
 	}
 
-	int indexerThreadCount = ApplicationSettings::getInstance()->getIndexerThreadCount();
+	const int indexerThreadCount = ApplicationSettings::getInstance()->getIndexerThreadCount();
 
 	std::shared_ptr<FileRegister> fileRegister = std::make_shared<FileRegister>(&m_fileManager, indexerThreadCount > 1);
 	fileRegister->setFilePaths(filesToParse);
@@ -325,22 +326,20 @@ bool Project::buildIndex(bool forceRefresh)
 	std::shared_ptr<TaskGroupParallel> taskParallelIndexing = std::make_shared<TaskGroupParallel>();
 	taskParserWrapper->setTask(taskParallelIndexing);
 
-	std::shared_ptr<std::mutex> storageMutex = std::make_shared<std::mutex>();
+	std::shared_ptr<StorageProvider> storageProvider = std::make_shared<StorageProvider>();
 
 	for (int i = 0; i < indexerThreadCount; i++)
 	{
-		std::shared_ptr<TaskRepeatWhileUnparsedSourceFilesAvailable> taskRepeat = std::make_shared<TaskRepeatWhileUnparsedSourceFilesAvailable>(fileRegister);
+		std::shared_ptr<TaskRepeatWhileSuccess> taskRepeat = std::make_shared<TaskRepeatWhileSuccess>();
 		taskParallelIndexing->addTask(taskRepeat);
-
+		taskRepeat->setTask(createIndexerTask(storageProvider, fileRegister));
-		std::shared_ptr<TaskGroupSequential> taskRepeatSequential = std::make_shared<TaskGroupSequential>();
-		taskRepeat->setTask(taskRepeatSequential);
-
-		std::shared_ptr<IntermediateStorage> intermediateStorage = std::make_shared<IntermediateStorage>();
-
-		taskRepeatSequential->addTask(createIndexerTask(intermediateStorage, fileRegister));
-		taskRepeatSequential->addTask(std::make_shared<TaskInjectStorage>(intermediateStorage, m_storage));
 	}
 
+	std::shared_ptr<TaskRepeatWhileSuccess> taskRepeat = std::make_shared<TaskRepeatWhileSuccess>();
+	taskParallelIndexing->addTask(taskRepeat);
+	taskRepeat->setTask(std::make_shared<TaskInjectStorage>(storageProvider, m_storage));
+
+
 	Task::dispatch(taskSequential);
 
 	return true;

src/lib/Project.h

@@ -12,7 +12,7 @@
 class DialogView;
 class FileRegister;
 class PersistentStorage;
-class IntermediateStorage;
+class StorageProvider;
 class ProjectSettings;
 class StorageAccessProxy;
 class Task;
@@ -63,7 +63,7 @@ private:
 	virtual bool prepareIndexing();
 	virtual bool prepareRefresh();
 	virtual std::shared_ptr<Task> createIndexerTask(
-		std::shared_ptr<IntermediateStorage> storage,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<FileRegister> fileRegister) = 0;
 	virtual void updateFileManager(FileManager& fileManager) = 0;
 

src/lib/data/IntermediateStorage.cpp

@@ -29,6 +29,11 @@ void IntermediateStorage::clear()
 	m_nextId = 1;
 }
 
+size_t IntermediateStorage::getSourceLocationCount() const
+{
+	return m_sourceLocations.size();
+}
+
 Id IntermediateStorage::addFile(const std::string& name, const std::string& filePath, const std::string& modificationTime)
 {
 	std::shared_ptr<StorageFile> file = std::make_shared<StorageFile>(0, name, filePath, modificationTime);

src/lib/data/IntermediateStorage.h

@@ -15,6 +15,7 @@ public:
 	virtual ~IntermediateStorage();
 
 	void clear();
+	size_t getSourceLocationCount() const;
 
 	virtual Id addFile(const std::string& name, const std::string& filePath, const std::string& modificationTime);
 	virtual Id addNode(int type, const std::string& serializedName, int definitionType);

src/lib/data/StorageProvider.cpp

@@ -0,0 +1,60 @@
+#include "data/StorageProvider.h"
+
+#include <iostream>
+
+int StorageProvider::getStorageCount() const
+{
+	std::lock_guard<std::mutex> lock(m_storagesMutex);
+	return m_storages.size();
+}
+
+void StorageProvider::pushIndexerTarget(std::shared_ptr<IntermediateStorage> storage)
+{
+	const std::size_t storageSize = storage->getSourceLocationCount();
+	std::list<std::shared_ptr<IntermediateStorage>>::iterator it;
+
+	std::lock_guard<std::mutex> lock(m_storagesMutex);
+	for (it = m_storages.begin(); it != m_storages.end(); it++)
+	{
+		if ((*it)->getSourceLocationCount() < storageSize)
+		{
+			break;
+		}
+	}
+	m_storages.insert(it, storage);
+}
+
+std::shared_ptr<IntermediateStorage> StorageProvider::popIndexerTarget()
+{
+	std::shared_ptr<IntermediateStorage> ret;
+	{
+		std::lock_guard<std::mutex> lock(m_storagesMutex);
+		if (m_storages.size() > 1)
+		{
+			std::list<std::shared_ptr<IntermediateStorage>>::iterator it = m_storages.begin();
+			it++;
+			ret = *it;
+			m_storages.erase(it);
+		}
+		else
+		{
+			ret = std::make_shared<IntermediateStorage>();
+		}
+	}
+	return ret;
+}
+
+std::shared_ptr<IntermediateStorage> StorageProvider::popInjectionSource()
+{
+	std::shared_ptr<IntermediateStorage> ret;
+	{
+		std::lock_guard<std::mutex> lock(m_storagesMutex);
+		if (!m_storages.empty())
+		{
+			ret = m_storages.front();
+			m_storages.pop_front();
+		}
+	}
+
+	return ret;
+}

src/lib/data/StorageProvider.h

@@ -0,0 +1,26 @@
+#ifndef STORAGE_PROVIDER_H
+#define STORAGE_PROVIDER_H
+
+#include <memory>
+#include <mutex>
+#include <list>
+#include "data/IntermediateStorage.h"
+
+class StorageProvider
+{
+public:
+	int getStorageCount() const;
+	void pushIndexerTarget(std::shared_ptr<IntermediateStorage> storage);
+
+	// always returns a usable storage
+	std::shared_ptr<IntermediateStorage> popIndexerTarget();
+
+	// returns empty shared_ptr if no storages available
+	std::shared_ptr<IntermediateStorage> popInjectionSource();
+
+private:
+	std::list<std::shared_ptr<IntermediateStorage>> m_storages; // larger storages are in front
+	mutable std::mutex m_storagesMutex;
+};
+
+#endif // STORAGE_PROVIDER_H

src/lib/data/TaskCleanStorage.cpp

@@ -12,12 +12,12 @@ TaskCleanStorage::TaskCleanStorage(
 {
 }
 
-void TaskCleanStorage::doEnter()
+void TaskCleanStorage::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 	m_dialogView->showProgressDialog("Clearing Files", std::to_string(m_filePaths.size()) + " Files");
 }
 
-Task::TaskState TaskCleanStorage::doUpdate()
+Task::TaskState TaskCleanStorage::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	m_storage->clearFileElements(m_filePaths);
 
@@ -26,11 +26,11 @@ Task::TaskState TaskCleanStorage::doUpdate()
 	return STATE_SUCCESS;
 }
 
-void TaskCleanStorage::doExit()
+void TaskCleanStorage::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 	m_dialogView->hideProgressDialog();
 }
 
-void TaskCleanStorage::doReset()
+void TaskCleanStorage::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }

src/lib/data/TaskCleanStorage.h

@@ -20,10 +20,10 @@ public:
 	);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	PersistentStorage* m_storage;
 	std::vector<FilePath> m_filePaths;

src/lib/data/TaskInjectStorage.cpp

@@ -1,30 +1,50 @@
 #include "data/TaskInjectStorage.h"
 
 #include "data/Storage.h"
+#include "data/StorageProvider.h"
+#include "utility/scheduling/Blackboard.h"
 
 TaskInjectStorage::TaskInjectStorage(
-	std::shared_ptr<Storage> source,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<Storage> target
 )
-	: m_source(source)
+	: m_storageProvider(storageProvider)
 	, m_target(target)
 {
 }
 
-void TaskInjectStorage::doEnter()
+void TaskInjectStorage::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-Task::TaskState TaskInjectStorage::doUpdate()
+Task::TaskState TaskInjectStorage::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
-	m_target->inject(m_source.get());
+	if (m_storageProvider->getStorageCount() > 0)
-	return STATE_SUCCESS;
+	{
+		std::shared_ptr<IntermediateStorage> source = m_storageProvider->popInjectionSource();
+		if (source)
+		{
+			m_target->inject(source.get());
+			return STATE_SUCCESS;
+		}
+	}
+
+	int indexerCount = 0;
+	if (blackboard->get("indexer_count", indexerCount))
+	{
+		if (indexerCount > 0)
+		{
+			return STATE_SUCCESS;
+		}
+	}
+
+	return STATE_FAILURE;
 }
 
-void TaskInjectStorage::doExit()
+void TaskInjectStorage::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskInjectStorage::doReset()
+void TaskInjectStorage::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }

src/lib/data/TaskInjectStorage.h

@@ -6,23 +6,24 @@
 #include "utility/scheduling/Task.h"
 
 class Storage;
+class StorageProvider;
 
 class TaskInjectStorage
 	: public Task
 {
 public:
 	TaskInjectStorage(
-		std::shared_ptr<Storage> source,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<Storage> target
 	);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
-	std::shared_ptr<Storage> m_source;
+	std::shared_ptr<StorageProvider> m_storageProvider;
 	std::shared_ptr<Storage> m_target;
 };
 

src/lib/data/TaskRepeatWhileUnparsedSourceFilesAvailable.cpp

@@ -1,47 +0,0 @@
-#include "data/TaskRepeatWhileUnparsedSourceFilesAvailable.h"
-
-#include "utility/file/FileRegister.h"
-
-TaskRepeatWhileUnparsedSourceFilesAvailable::TaskRepeatWhileUnparsedSourceFilesAvailable(
-	std::shared_ptr<FileRegister> fileRegister
-)
-	: m_fileRegister(fileRegister)
-{
-}
-
-void TaskRepeatWhileUnparsedSourceFilesAvailable::setTask(std::shared_ptr<Task> task)
-{
-	if (task)
-	{
-		m_taskRunner = std::make_shared<TaskRunner>(task);
-	}
-}
-
-void TaskRepeatWhileUnparsedSourceFilesAvailable::doEnter()
-{
-}
-
-Task::TaskState TaskRepeatWhileUnparsedSourceFilesAvailable::doUpdate()
-{
-	TaskState state = m_taskRunner->update();
-
-	if (state == Task::STATE_SUCCESS)
-	{
-		if(m_fileRegister->getUnparsedSourceFilePaths().size() != 0)
-		{
-			state = Task::STATE_RUNNING;
-			m_taskRunner->reset();
-		}
-	}
-
-	return state;
-}
-
-void TaskRepeatWhileUnparsedSourceFilesAvailable::doExit()
-{
-}
-
-void TaskRepeatWhileUnparsedSourceFilesAvailable::doReset()
-{
-	m_taskRunner->reset();
-}

src/lib/data/TaskRepeatWhileUnparsedSourceFilesAvailable.h

@@ -1,31 +0,0 @@
-#ifndef TASK_REPEAT_WHILE_UNPARSED_SOURCE_FILES_AVAILABLE_H
-#define TASK_REPEAT_WHILE_UNPARSED_SOURCE_FILES_AVAILABLE_H
-
-#include <vector>
-
-#include "utility/scheduling/TaskDecorator.h"
-#include "utility/scheduling/TaskRunner.h"
-
-class FileRegister;
-
-class TaskRepeatWhileUnparsedSourceFilesAvailable
-	: public TaskDecorator
-{
-public:
-	TaskRepeatWhileUnparsedSourceFilesAvailable(
-		std::shared_ptr<FileRegister> fileRegister
-	);
-
-	virtual void setTask(std::shared_ptr<Task> task);
-
-private:
-	virtual void doEnter();
-	virtual TaskState doUpdate();
-	virtual void doExit();
-	virtual void doReset();
-
-	std::shared_ptr<FileRegister> m_fileRegister;
-	std::shared_ptr<TaskRunner> m_taskRunner;
-};
-
-#endif // TASK_REPEAT_WHILE_UNPARSED_SOURCE_FILES_AVAILABLE_H

src/lib/data/parser/cxx/TaskParseCxx.h

@@ -2,7 +2,6 @@
 #define TASK_PARSE_CXX_H
 
 #include <memory>
-#include <mutex>
 #include <deque>
 
 #include "data/parser/Parser.h"
@@ -15,7 +14,7 @@
 class CxxParser;
 class DialogView;
 class FileRegister;
-class IntermediateStorage;
+class StorageProvider;
 
 namespace clang
 {
@@ -33,22 +32,21 @@ public:
 	static std::vector<FilePath> getSourceFilesFromCDB(const FilePath& compilationDatabasePath);
 
 	TaskParseCxx(
-		std::shared_ptr<IntermediateStorage> storage,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<FileRegister> fileRegister,
 		const Parser::Arguments& arguments,
 		DialogView* dialogView
 	);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	virtual void handleMessage(MessageInterruptTasks* message);
 
-	std::shared_ptr<IntermediateStorage> m_storage;
+	std::shared_ptr<StorageProvider> m_storageProvider;
-	std::shared_ptr<std::mutex> m_storageMutex;
 
 	const Parser::Arguments m_arguments;
 	DialogView* m_dialogView;

src/lib/data/parser/cxx/TaskParseWrapper.h

@@ -28,10 +28,10 @@ public:
 	virtual void setTask(std::shared_ptr<Task> task);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	PersistentStorage* m_storage;
 	std::shared_ptr<FileRegister> m_fileRegister;

src/lib/data/parser/java/TaskParseJava.h

@@ -10,7 +10,7 @@
 
 class DialogView;
 class FileRegister;
-class IntermediateStorage;
+class StorageProvider;
 
 class TaskParseJava
 	: public Task
@@ -18,21 +18,21 @@ class TaskParseJava
 {
 public:
 	TaskParseJava(
-		std::shared_ptr<IntermediateStorage> storage,
+		std::shared_ptr<StorageProvider> storageProvider,
 		std::shared_ptr<FileRegister> fileRegister,
 		const Parser::Arguments& arguments,
 		DialogView* dialogView
 	);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	virtual void handleMessage(MessageInterruptTasks* message);
 
-	std::shared_ptr<IntermediateStorage> m_storage;
+	std::shared_ptr<StorageProvider> m_storageProvider;
 	std::shared_ptr<FileRegister> m_fileRegister;
 	Parser::Arguments m_arguments;
 	DialogView* m_dialogView;

src/lib/utility/scheduling/Blackboard.cpp

@@ -0,0 +1,31 @@
+#include "utility/scheduling/Blackboard.h"
+
+Blackboard::Blackboard()
+{
+}
+
+Blackboard::Blackboard(std::shared_ptr<Blackboard> parent)
+	: m_parent(parent)
+{
+}
+
+Blackboard::~Blackboard()
+{
+}
+
+bool Blackboard::exists(const std::string& key)
+{
+	ItemMap::const_iterator it = m_values.find(key);
+	return (it != m_values.end());
+}
+
+bool Blackboard::clear(const std::string& key)
+{
+	ItemMap::const_iterator it = m_values.find(key);
+	if (it != m_values.end())
+	{
+		m_values.erase(it);
+		return true;
+	}
+	return false;
+}

src/lib/utility/scheduling/Blackboard.h

@@ -0,0 +1,85 @@
+#ifndef BLACKBOARD_H
+#define BLACKBOARD_H
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include "Utility/UtilityString.h"
+#include "utility/logging/logging.h"
+
+struct BlackboardItemBase
+{
+	virtual ~BlackboardItemBase()
+	{
+	}
+};
+
+template <typename T>
+struct BlackboardItem: public BlackboardItemBase
+{
+	BlackboardItem(const T &v)
+		: value(v)
+	{
+	}
+
+	virtual ~BlackboardItem()
+	{
+	}
+
+	T value;
+};
+
+class Blackboard
+{
+public:
+	Blackboard();
+	Blackboard(std::shared_ptr<Blackboard> parent);
+	~Blackboard();
+
+	template <typename T>
+	void set(const std::string& key, const T& value);
+
+	template <typename T>
+	bool get(const std::string& key, T& value);
+
+	bool exists(const std::string& key);
+	bool clear(const std::string& key);
+
+private:
+	typedef std::map<std::string, std::shared_ptr<BlackboardItemBase>> ItemMap;
+
+	std::shared_ptr<Blackboard> m_parent;
+	ItemMap m_values;
+};
+
+
+template <typename T>
+void Blackboard::set(const std::string& key, const T& value)
+{
+	m_values[key] = std::make_shared<BlackboardItem<T>>(value);
+}
+
+template <typename T>
+bool Blackboard::get(const std::string& key, T& value)
+{
+	ItemMap::const_iterator it = m_values.find(key);
+	if (it != m_values.end())
+	{
+		std::shared_ptr<BlackboardItem<T>> item = std::dynamic_pointer_cast<BlackboardItem<T>>(it->second);
+		if (item)
+		{
+			value = item->value;
+			return true;
+		}
+	}
+	if (m_parent)
+	{
+		return m_parent->get(key, value);
+	}
+
+	LOG_WARNING("Entry for \"" + key + "\" not found on blackboard.");
+	return false;
+}
+
+#endif // BLACKBOARD_H

src/lib/utility/scheduling/Task.cpp

@@ -23,28 +23,28 @@ Task::~Task()
 {
 }
 
-Task::TaskState Task::update()
+Task::TaskState Task::update(std::shared_ptr<Blackboard> blackboard)
 {
 	if (!m_enterCalled)
 	{
-		doEnter();
+		doEnter(blackboard);
 		m_enterCalled = true;
 	}
 
-	TaskState state = doUpdate();
+	TaskState state = doUpdate(blackboard);
 
 	if (state != STATE_RUNNING && !m_exitCalled)
 	{
-		doExit();
+		doExit(blackboard);
 		m_exitCalled = true;
 	}
 
 	return state;
 }
 
-void Task::reset()
+void Task::reset(std::shared_ptr<Blackboard> blackboard)
 {
-	doReset();
+	doReset(blackboard);
 	m_enterCalled = false;
 	m_exitCalled = false;
 }

src/lib/utility/scheduling/Task.h

@@ -3,6 +3,8 @@
 
 #include <memory>
 
+class Blackboard;
+
 class Task
 {
 public:
@@ -19,16 +21,14 @@ public:
 	Task();
 	virtual ~Task();
 
-//	virtual TaskState getState() const = 0;
+	TaskState update(std::shared_ptr<Blackboard> blackboard);
-
+	void reset(std::shared_ptr<Blackboard> blackboard);
-	TaskState update();
-	void reset();
 
 private:
-	virtual void doEnter() = 0;
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard) = 0;
-	virtual Task::TaskState doUpdate() = 0;
+	virtual Task::TaskState doUpdate(std::shared_ptr<Blackboard> blackboard) = 0;
-	virtual void doExit() = 0;
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard) = 0;
-	virtual void doReset() = 0;
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard) = 0;
 
 	bool m_enterCalled;
 	bool m_exitCalled;

src/lib/utility/scheduling/TaskGroupParallel.cpp

@@ -16,7 +16,7 @@ void TaskGroupParallel::addTask(std::shared_ptr<Task> task)
 	m_tasks.push_back(std::make_shared<TaskInfo>(std::make_shared<TaskRunner>(task)));
 }
 
-void TaskGroupParallel::doEnter()
+void TaskGroupParallel::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 	m_taskFailed = false;
 
@@ -26,14 +26,14 @@ void TaskGroupParallel::doEnter()
 		m_activeTaskCount = 0;
 		for (size_t i = 0; i < m_tasks.size(); i++)
 		{
-			m_tasks[i]->thread = std::make_shared<std::thread>(&TaskGroupParallel::processTaskThreaded, this, m_tasks[i]);
+			m_tasks[i]->thread = std::make_shared<std::thread>(&TaskGroupParallel::processTaskThreaded, this, m_tasks[i], blackboard);
 			m_tasks[i]->active = true;
 			m_activeTaskCount++;
 		}
 	}
 }
 
-Task::TaskState TaskGroupParallel::doUpdate()
+Task::TaskState TaskGroupParallel::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	if (m_tasks.size() != 0 && getActveTaskCount() > 0)
 	{
@@ -43,7 +43,7 @@ Task::TaskState TaskGroupParallel::doUpdate()
 	return (m_taskFailed ? STATE_FAILURE : STATE_SUCCESS);
 }
 
-void TaskGroupParallel::doExit()
+void TaskGroupParallel::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 	for (size_t i = 0; i < m_tasks.size(); i++)
 	{
@@ -52,7 +52,7 @@ void TaskGroupParallel::doExit()
 	}
 }
 
-void TaskGroupParallel::doReset()
+void TaskGroupParallel::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 	for (size_t i = 0; i < m_tasks.size(); i++)
 	{
@@ -60,14 +60,14 @@ void TaskGroupParallel::doReset()
 		if (!m_tasks[i]->active)
 		{
 			m_tasks[i]->thread->join();
-			m_tasks[i]->thread = std::make_shared<std::thread>(&TaskGroupParallel::processTaskThreaded, this, m_tasks[i]);
+			m_tasks[i]->thread = std::make_shared<std::thread>(&TaskGroupParallel::processTaskThreaded, this, m_tasks[i], blackboard);
 			m_tasks[i]->active = true;
 			m_activeTaskCount++;
 		}
 	}
 }
 
-void TaskGroupParallel::processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo)
+void TaskGroupParallel::processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo, std::shared_ptr<Blackboard> blackboard)
 {
 	ScopedFunctor functor([&](){
 		std::lock_guard<std::mutex> lock(m_activeTaskCountMutex);
@@ -77,7 +77,7 @@ void TaskGroupParallel::processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo)
 
 	while (true)
 	{
-		TaskState state = taskInfo->taskRunner->update();
+		TaskState state = taskInfo->taskRunner->update(blackboard);
 
 		if (state != STATE_RUNNING)
 		{

src/lib/utility/scheduling/TaskGroupParallel.h

@@ -29,12 +29,12 @@ private:
 		volatile bool active;
 	};
 
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
-	void processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo);
+	void processTaskThreaded(std::shared_ptr<TaskInfo> taskInfo, std::shared_ptr<Blackboard> blackboard);
 	int getActveTaskCount() const;
 
 	std::vector<std::shared_ptr<TaskInfo>> m_tasks;

src/lib/utility/scheduling/TaskGroupSequential.cpp

@@ -14,12 +14,12 @@ void TaskGroupSequential::addTask(std::shared_ptr<Task> task)
 	m_taskRunners.push_back(std::make_shared<TaskRunner>(task));
 }
 
-void TaskGroupSequential::doEnter()
+void TaskGroupSequential::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 	m_taskIndex = 0;
 }
 
-Task::TaskState TaskGroupSequential::doUpdate()
+Task::TaskState TaskGroupSequential::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	if (m_taskIndex >= int(m_taskRunners.size()))
 	{
@@ -30,7 +30,7 @@ Task::TaskState TaskGroupSequential::doUpdate()
 		return STATE_FAILURE;
 	}
 
-	TaskState state = m_taskRunners[m_taskIndex]->update();
+	TaskState state = m_taskRunners[m_taskIndex]->update(blackboard);
 
 	if (state == STATE_SUCCESS)
 	{
@@ -44,11 +44,11 @@ Task::TaskState TaskGroupSequential::doUpdate()
 	return STATE_RUNNING;
 }
 
-void TaskGroupSequential::doExit()
+void TaskGroupSequential::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskGroupSequential::doReset()
+void TaskGroupSequential::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 	for (size_t i = 0; i < m_taskRunners.size(); i++)
 	{

src/lib/utility/scheduling/TaskGroupSequential.h

@@ -14,10 +14,10 @@ public:
 	virtual void addTask(std::shared_ptr<Task> task);
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	std::vector<std::shared_ptr<TaskRunner>> m_taskRunners;
 	int m_taskIndex;

src/lib/utility/scheduling/TaskLambda.cpp

@@ -9,20 +9,20 @@ TaskLambda::~TaskLambda()
 {
 }
 
-void TaskLambda::doEnter()
+void TaskLambda::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-Task::TaskState TaskLambda::doUpdate()
+Task::TaskState TaskLambda::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	m_func();
 	return STATE_SUCCESS;
 }
 
-void TaskLambda::doExit()
+void TaskLambda::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskLambda::doReset()
+void TaskLambda::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }

src/lib/utility/scheduling/TaskLambda.h

@@ -13,10 +13,10 @@ public:
 	virtual ~TaskLambda();
 
 private:
-	virtual void doEnter();
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
-	virtual TaskState doUpdate();
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
-	virtual void doExit();
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
-	virtual void doReset();
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
 
 	std::function<void()> m_func;
 };

src/lib/utility/scheduling/TaskRepeatWhileSuccess.cpp

@@ -0,0 +1,39 @@
+#include "utility/scheduling/TaskRepeatWhileSuccess.h"
+
+TaskRepeatWhileSuccess::TaskRepeatWhileSuccess()
+{
+}
+
+void TaskRepeatWhileSuccess::setTask(std::shared_ptr<Task> task)
+{
+	if (task)
+	{
+		m_taskRunner = std::make_shared<TaskRunner>(task);
+	}
+}
+
+void TaskRepeatWhileSuccess::doEnter(std::shared_ptr<Blackboard> blackboard)
+{
+}
+
+Task::TaskState TaskRepeatWhileSuccess::doUpdate(std::shared_ptr<Blackboard> blackboard)
+{
+	TaskState state = m_taskRunner->update(blackboard);
+
+	if (state == Task::STATE_SUCCESS)
+	{
+		state = Task::STATE_RUNNING;
+		m_taskRunner->reset();
+	}
+
+	return state;
+}
+
+void TaskRepeatWhileSuccess::doExit(std::shared_ptr<Blackboard> blackboard)
+{
+}
+
+void TaskRepeatWhileSuccess::doReset(std::shared_ptr<Blackboard> blackboard)
+{
+	m_taskRunner->reset();
+}

src/lib/utility/scheduling/TaskRepeatWhileSuccess.h

@@ -0,0 +1,26 @@
+#ifndef TASK_REPEAT_WHILE_SUCCESS_H
+#define TASK_REPEAT_WHILE_SUCCESS_H
+
+#include <vector>
+
+#include "utility/scheduling/TaskDecorator.h"
+#include "utility/scheduling/TaskRunner.h"
+
+class TaskRepeatWhileSuccess
+	: public TaskDecorator
+{
+public:
+	TaskRepeatWhileSuccess();
+
+	virtual void setTask(std::shared_ptr<Task> task);
+
+private:
+	virtual void doEnter(std::shared_ptr<Blackboard> blackboard);
+	virtual TaskState doUpdate(std::shared_ptr<Blackboard> blackboard);
+	virtual void doExit(std::shared_ptr<Blackboard> blackboard);
+	virtual void doReset(std::shared_ptr<Blackboard> blackboard);
+
+	std::shared_ptr<TaskRunner> m_taskRunner;
+};
+
+#endif // TASK_REPEAT_WHILE_SUCCESS_H

src/lib/utility/scheduling/TaskRunner.cpp

@@ -10,20 +10,15 @@ TaskRunner::~TaskRunner()
 {
 }
 
-//Task::TaskState TaskRunner::getState() const
+Task::TaskState TaskRunner::update(std::shared_ptr<Blackboard> blackboard)
-//{
-//	return m_task->getState();
-//}
-
-Task::TaskState TaskRunner::update()
 {
 	if (m_reset)
 	{
-		m_task->reset();
+		m_task->reset(blackboard);
 		m_reset = false;
 	}
 
-	return m_task->update();
+	return m_task->update(blackboard);
 }
 
 void TaskRunner::reset()

src/lib/utility/scheduling/TaskRunner.h

@@ -11,9 +11,7 @@ public:
 	TaskRunner(std::shared_ptr<Task> task);
 	~TaskRunner();
 
-	//Task::TaskState getState() const;
+	Task::TaskState update(std::shared_ptr<Blackboard> blackboard);
-
-	Task::TaskState update();
 	void reset();
 
 private:

src/lib/utility/scheduling/TaskScheduler.cpp

@@ -5,6 +5,8 @@
 
 #include "utility/logging/logging.h"
 #include "utility/messaging/type/MessageStatus.h"
+#include "utility/scheduling/Blackboard.h"
+#include "utility/ScopedFunctor.h"
 
 std::shared_ptr<TaskScheduler> TaskScheduler::getInstance()
 {
@@ -140,15 +142,22 @@ void TaskScheduler::processTasks()
 	{
 		std::shared_ptr<TaskRunner> runner = m_taskRunners.front();
 
-		m_tasksMutex.unlock();
-
-		Task::TaskState state = runner->update();
-
-		m_tasksMutex.lock();
-
-		if (state != Task::STATE_RUNNING)
 		{
-			m_taskRunners.pop_front();
+			m_tasksMutex.unlock();
+			ScopedFunctor functor([this](){
+				m_tasksMutex.lock();
+			});
+
+			std::shared_ptr<Blackboard> blackboard = std::make_shared<Blackboard>();
+			while (true)
+			{
+				if (runner->update(blackboard) != Task::STATE_RUNNING)
+				{
+					break;
+				}
+			}
 		}
+
+		m_taskRunners.pop_front();
 	}
 }

src/test/TaskSchedulerTestSuite.h

@@ -3,6 +3,7 @@
 #include <chrono>
 #include <thread>
 
+#include "utility/scheduling/Blackboard.h"
 #include "utility/scheduling/Task.h"
 #include "utility/scheduling/TaskGroupSequential.h"
 #include "utility/scheduling/TaskScheduler.h"
@@ -144,9 +145,10 @@ public:
 private:
 	void executeTask(Task& task)
 	{
+		std::shared_ptr<Blackboard> blakboard = std::make_shared<Blackboard>();
 		while (true)
 		{
-			if (task.update() != Task::STATE_RUNNING)
+			if (task.update(blakboard) != Task::STATE_RUNNING)
 			{
 				return;
 			}
@@ -167,12 +169,12 @@ private:
 		{
 		}
 
-		virtual void doEnter()
+		virtual void doEnter(std::shared_ptr<Blackboard> blakboard)
 		{
 			enterCallOrder = ++orderCount;
 		}
 
-		virtual TaskState doUpdate()
+		virtual TaskState doUpdate(std::shared_ptr<Blackboard> blakboard)
 		{
 			updateCallOrder = ++orderCount;
 
@@ -191,12 +193,12 @@ private:
 			return returnState;
 		}
 
-		virtual void doExit()
+		virtual void doExit(std::shared_ptr<Blackboard> blakboard)
 		{
 			exitCallOrder = ++orderCount;
 		}
 
-		virtual void doReset()
+		virtual void doReset(std::shared_ptr<Blackboard> blakboard)
 		{
 			resetCallOrder = ++orderCount;
 		}
@@ -219,12 +221,12 @@ private:
 		{
 		}
 
-		virtual TaskState doUpdate()
+		virtual TaskState doUpdate(std::shared_ptr<Blackboard> blakboard)
 		{
 			subTask = std::make_shared<TestTask>(&orderCount, 1);
 			Task::dispatch(subTask);
 
-			return TestTask::doUpdate();
+			return TestTask::doUpdate(blakboard);
 		}
 
 		std::shared_ptr<TestTask> subTask;

src/trial/data/parser/cxx/TaskParseCxx.cpp

@@ -1,7 +1,7 @@
 #include "data/parser/cxx/TaskParseCxx.h"
 
 TaskParseCxx::TaskParseCxx(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister,
 	const Parser::Arguments& arguments,
 	DialogView* dialogView
@@ -14,20 +14,20 @@ std::vector<FilePath> TaskParseCxx::getSourceFilesFromCDB(const FilePath& compil
 	return std::vector<FilePath>();
 }
 
-void TaskParseCxx::doEnter()
+void TaskParseCxx::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-Task::TaskState TaskParseCxx::doUpdate()
+Task::TaskState TaskParseCxx::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	return STATE_SUCCESS;
 }
 
-void TaskParseCxx::doExit()
+void TaskParseCxx::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskParseCxx::doReset()
+void TaskParseCxx::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }
 

src/trial/data/parser/cxx/TaskParseWrapper.cpp

@@ -20,19 +20,19 @@ void TaskParseWrapper::setTask(std::shared_ptr<Task> task)
 {
 }
 
-void TaskParseWrapper::doEnter()
+void TaskParseWrapper::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-Task::TaskState TaskParseWrapper::doUpdate()
+Task::TaskState TaskParseWrapper::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	return STATE_SUCCESS;
 }
 
-void TaskParseWrapper::doExit()
+void TaskParseWrapper::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskParseWrapper::doReset()
+void TaskParseWrapper::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }

src/trial/data/parser/java/TaskParseJava.cpp

@@ -1,7 +1,7 @@
 #include "data/parser/java/TaskParseJava.h"
 
 TaskParseJava::TaskParseJava(
-	std::shared_ptr<IntermediateStorage> storage,
+	std::shared_ptr<StorageProvider> storageProvider,
 	std::shared_ptr<FileRegister> fileRegister,
 	const Parser::Arguments& arguments,
 	DialogView* dialogView
@@ -9,20 +9,20 @@ TaskParseJava::TaskParseJava(
 {
 }
 
-void TaskParseJava::doEnter()
+void TaskParseJava::doEnter(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-Task::TaskState TaskParseJava::doUpdate()
+Task::TaskState TaskParseJava::doUpdate(std::shared_ptr<Blackboard> blackboard)
 {
 	return STATE_SUCCESS;
 }
 
-void TaskParseJava::doExit()
+void TaskParseJava::doExit(std::shared_ptr<Blackboard> blackboard)
 {
 }
 
-void TaskParseJava::doReset()
+void TaskParseJava::doReset(std::shared_ptr<Blackboard> blackboard)
 {
 }