Add interface method for entering cook thread transactions

hecl/include/hecl/Database.hpp

@@ -99,6 +99,8 @@ public:
         std::vector<ExtractReport> childOpts;
     };
 
+    virtual void setThreadProject() {}
+
     virtual bool canExtract(const ExtractPassInfo& info, std::vector<ExtractReport>& reps)
     {(void)info;(void)reps;LogModule.report(logvisor::Error, "not implemented");return false;}
     virtual void doExtract(const ExtractPassInfo& info, FProgress progress)

hecl/lib/ClientProcess.cpp

@@ -42,6 +42,7 @@ void ClientProcess::BufferTransaction::run(BlenderToken& btok)
 
 void ClientProcess::CookTransaction::run(BlenderToken& btok)
 {
+    m_dataSpec->setThreadProject();
     m_returnResult = m_parent.syncCook(m_path, m_dataSpec, btok);
     m_complete = true;
 }