MS-390 Update resource construct function

Former-commit-id: 1f87f3e285798b2bf3dda78537fdb2b0fc7cc6ef

cpp/CHANGELOG.md

@@ -35,6 +35,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-383 - Modify condition variable usage in scheduler
 - MS-384 - Add global instance of ResourceMgr and Scheduler
 - MS-389 - Add clone interface in Task
+- MS-390 - Update resource construct function
 
 ## New Feature
 - MS-343 - Implement ResourceMgr

cpp/src/scheduler/ResourceFactory.cpp

@@ -12,13 +12,16 @@ namespace milvus {
 namespace engine {
 
 std::shared_ptr<Resource>
-ResourceFactory::Create(const std::string &name, const std::string &alias) {
+ResourceFactory::Create(const std::string &name,
+                        const std::string &alias,
+                        bool enable_loader,
+                        bool enable_executor) {
     if (name == "disk") {
-        return std::make_shared<DiskResource>(alias);
+        return std::make_shared<DiskResource>(alias, enable_loader, enable_executor);
     } else if (name == "cpu") {
-        return std::make_shared<CpuResource>(alias);
+        return std::make_shared<CpuResource>(alias, enable_loader, enable_executor);
     } else if (name == "gpu") {
-        return std::make_shared<GpuResource>(alias);
+        return std::make_shared<GpuResource>(alias, enable_loader, enable_executor);
     } else {
         return nullptr;
     }

cpp/src/scheduler/ResourceFactory.h

@@ -21,7 +21,10 @@ namespace engine {
 class ResourceFactory {
 public:
     static std::shared_ptr<Resource>
-    Create(const std::string &name, const std::string &alias = "");
+    Create(const std::string &name,
+           const std::string &alias = "",
+           bool enable_loader = true,
+           bool enable_executor = true);
 };
 
 

cpp/src/scheduler/resource/CpuResource.cpp

@@ -16,8 +16,8 @@ std::ostream &operator<<(std::ostream &out, const CpuResource &resource) {
     return out;
 }
 
-CpuResource::CpuResource(std::string name)
-    : Resource(std::move(name), ResourceType::CPU) {}
+CpuResource::CpuResource(std::string name, bool enable_loader, bool enable_executor)
+    : Resource(std::move(name), ResourceType::CPU, enable_loader, enable_executor) {}
 
 void CpuResource::LoadFile(TaskPtr task) {
     task->Load(LoadType::DISK2CPU, 0);
@@ -29,4 +29,4 @@ void CpuResource::Process(TaskPtr task) {
 
 }
 }
-}
\ No newline at end of file
+}

cpp/src/scheduler/resource/CpuResource.h

@@ -17,7 +17,7 @@ namespace engine {
 class CpuResource : public Resource {
 public:
     explicit
-    CpuResource(std::string name);
+    CpuResource(std::string name, bool enable_loader, bool enable_executor);
 
     inline std::string
     Dump() const override {

cpp/src/scheduler/resource/DiskResource.cpp

@@ -15,8 +15,8 @@ std::ostream &operator<<(std::ostream &out, const DiskResource &resource) {
     return out;
 }
 
-DiskResource::DiskResource(std::string name)
-    : Resource(std::move(name), ResourceType::DISK, true, false) {
+DiskResource::DiskResource(std::string name, bool enable_loader, bool enable_executor)
+    : Resource(std::move(name), ResourceType::DISK, enable_loader, enable_executor) {
 }
 
 void DiskResource::LoadFile(TaskPtr task) {

cpp/src/scheduler/resource/DiskResource.h

@@ -16,7 +16,7 @@ namespace engine {
 class DiskResource : public Resource {
 public:
     explicit
-    DiskResource(std::string name);
+    DiskResource(std::string name, bool enable_loader, bool enable_executor);
 
     inline std::string
     Dump() const override {

cpp/src/scheduler/resource/GpuResource.cpp

@@ -16,8 +16,8 @@ std::ostream &operator<<(std::ostream &out, const GpuResource &resource) {
     return out;
 }
 
-GpuResource::GpuResource(std::string name)
-    : Resource(std::move(name), ResourceType::GPU) {}
+GpuResource::GpuResource(std::string name, bool enable_loader, bool enable_executor)
+    : Resource(std::move(name), ResourceType::GPU, enable_loader, enable_executor) {}
 
 void GpuResource::LoadFile(TaskPtr task) {
     task->Load(LoadType::CPU2GPU, 0);

cpp/src/scheduler/resource/GpuResource.h

@@ -16,7 +16,7 @@ namespace engine {
 class GpuResource : public Resource {
 public:
     explicit
-    GpuResource(std::string name);
+    GpuResource(std::string name, bool enable_loader, bool enable_executor);
 
     inline std::string
     Dump() const override {

cpp/src/scheduler/resource/Resource.h

@@ -45,8 +45,30 @@ enum class RegisterType {
 class Resource : public Node, public std::enable_shared_from_this<Resource> {
 public:
     /*
-     * Event function MUST be a short function, never blocking;
+     * Start loader and executor if enable;
      */
+    void
+    Start();
+
+    /*
+     * Stop loader and executor, join it, blocking util thread exited;
+     */
+    void
+    Stop();
+
+    /*
+     * wake up loader;
+     */
+    void
+    WakeupLoader();
+
+    /*
+     * wake up executor;
+     */
+    void
+    WakeupExecutor();
+
+public:
     template<typename T>
     void Register_T(const RegisterType &type) {
         register_table_.emplace(type, [] { return std::make_shared<T>(); });
@@ -65,11 +87,17 @@ public:
         return type_;
     }
 
-    void
-    Start();
+    // TODO: better name?
+    inline bool
+    HasLoader() {
+        return enable_loader_;
+    }
 
-    void
-    Stop();
+    // TODO: better name?
+    inline bool
+    HasExecutor() {
+        return enable_executor_;
+    }
 
     TaskTable &
     task_table();
@@ -81,24 +109,11 @@ public:
 
     friend std::ostream &operator<<(std::ostream &out, const Resource &resource);
 
-public:
-    /*
-     * wake up loader;
-     */
-    void
-    WakeupLoader();
-
-    /*
-     * wake up executor;
-     */
-    void
-    WakeupExecutor();
-
 protected:
     Resource(std::string name,
              ResourceType type,
-             bool enable_loader = true,
-             bool enable_executor = true);
+             bool enable_loader,
+             bool enable_executor);
 
     // TODO: SearchContextPtr to TaskPtr
     /*