MS-364 Modify tasktableitem in tasktable

Former-commit-id: 79ac92b18cc3842d6ccaceb6bdd50ff636ca80ab

cpp/CHANGELOG.md

@@ -19,6 +19,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-357 - Add minimum schedule function
 - MS-359 - Add cost test in new scheduler
 - MS-361 - Add event in resource
+- MS-364 - Modify tasktableitem in tasktable
 
 ## New Feature
 - MS-343 - Implement ResourceMgr

cpp/src/scheduler/Scheduler.cpp

@@ -21,7 +21,7 @@ push_task(ResourcePtr &self, ResourcePtr &other) {
         auto indexes = PickToMove(self_task_table, cache, 1);
         for (auto index : indexes) {
             if (self_task_table.Move(index)) {
-                auto task = self_task_table.Get(index).task;
+                auto task = self_task_table.Get(index)->task;
                 other_task_table.Put(task);
                 // TODO: mark moved future
                 other->WakeupLoader();

cpp/src/scheduler/TaskTable.cpp

@@ -27,7 +27,7 @@ TaskTable::Put(std::vector<TaskPtr> &tasks) {
 }
 
 
-TaskTableItem &
+TaskTableItemPtr
 TaskTable::Get(uint64_t index) {
     return table_[index];
 }
@@ -46,9 +46,9 @@ bool
 TaskTable::Move(uint64_t index) {
     auto &task = table_[index];
 
-    std::lock_guard<std::mutex> lock(task.mutex);
-    if (task.state == TaskTableItemState::START) {
-        task.state = TaskTableItemState::LOADING;
+    std::lock_guard<std::mutex> lock(task->mutex);
+    if (task->state == TaskTableItemState::START) {
+        task->state = TaskTableItemState::LOADING;
         return true;
     }
     return false;

cpp/src/scheduler/TaskTable.h

@@ -31,7 +31,7 @@ struct TaskTableItem {
     TaskTableItem() : id(0), state(TaskTableItemState::INVALID), mutex(), priority(0) {}
 
     TaskTableItem(const TaskTableItem &src)
-    : id(src.id), state(src.state), mutex(), priority(src.priority) {}
+        : id(src.id), state(src.state), mutex(), priority(src.priority) {}
 
     uint64_t id; // auto increment from 0;
     // TODO: add tag into task
@@ -42,6 +42,8 @@ struct TaskTableItem {
     uint8_t priority; // just a number, meaningless;
 };
 
+using TaskTableItemPtr = std::shared_ptr<TaskTableItem>;
+
 class TaskTable {
 public:
     TaskTable() = default;
@@ -65,7 +67,7 @@ public:
     /*
      * Return task table item reference;
      */
-    TaskTableItem &
+    TaskTableItemPtr
     Get(uint64_t index);
 
     /*
@@ -75,7 +77,7 @@ public:
      */
     void
     Clear();
-    
+
     /*
      * Return true if task table empty, otherwise false;
      */
@@ -83,11 +85,11 @@ public:
     Empty() {
         return table_.empty();
     }
-    
+
     /*
      * Return size of task table;
      */
-    inline size_t 
+    inline size_t
     Size() {
         return table_.size();
     }
@@ -154,7 +156,7 @@ public:
 
 private:
     // TODO: map better ?
-    std::deque<TaskTableItem> table_;
+    std::deque<TaskTableItemPtr> table_;
 };
 
 

cpp/src/scheduler/resource/Resource.cpp

@@ -46,7 +46,7 @@ TaskPtr Resource::pick_task_load() {
     for (auto index : indexes) {
         // try to set one task loading, then return
         if (task_table_.Load(index))
-            return task_table_.Get(index).task;
+            return task_table_.Get(index)->task;
         // else try next
     }
     return nullptr;
@@ -57,7 +57,7 @@ TaskPtr Resource::pick_task_execute() {
     for (auto index : indexes) {
         // try to set one task executing, then return
         if (task_table_.Execute(index))
-            return task_table_.Get(index).task;
+            return task_table_.Get(index)->task;
         // else try next
     }
     return nullptr;

cpp/unittest/scheduler/cost_test.cpp

@@ -13,14 +13,14 @@ protected:
             auto task = std::make_shared<XSearchTask>();
             table_.Put(task);
         }
-        table_.Get(0).state = TaskTableItemState::INVALID;
-        table_.Get(1).state = TaskTableItemState::START;
-        table_.Get(2).state = TaskTableItemState::LOADING;
-        table_.Get(3).state = TaskTableItemState::LOADED;
-        table_.Get(4).state = TaskTableItemState::EXECUTING;
-        table_.Get(5).state = TaskTableItemState::EXECUTED;
-        table_.Get(6).state = TaskTableItemState::MOVING;
-        table_.Get(7).state = TaskTableItemState::MOVED;
+        table_.Get(0)->state = TaskTableItemState::INVALID;
+        table_.Get(1)->state = TaskTableItemState::START;
+        table_.Get(2)->state = TaskTableItemState::LOADING;
+        table_.Get(3)->state = TaskTableItemState::LOADED;
+        table_.Get(4)->state = TaskTableItemState::EXECUTING;
+        table_.Get(5)->state = TaskTableItemState::EXECUTED;
+        table_.Get(6)->state = TaskTableItemState::MOVING;
+        table_.Get(7)->state = TaskTableItemState::MOVED;
     }
 
 

cpp/unittest/scheduler/tasktable_test.cpp

@@ -58,19 +58,19 @@ protected:
 
 TEST_F(TaskTableBaseTest, put_task) {
     empty_table_.Put(task1_);
-    ASSERT_EQ(empty_table_.Get(0).task, task1_);
+    ASSERT_EQ(empty_table_.Get(0)->task, task1_);
 }
 
 TEST_F(TaskTableBaseTest, put_invalid_test) {
     empty_table_.Put(invalid_task_);
-    ASSERT_EQ(empty_table_.Get(0).task, invalid_task_);
+    ASSERT_EQ(empty_table_.Get(0)->task, invalid_task_);
 }
 
 TEST_F(TaskTableBaseTest, put_batch) {
     std::vector<TaskPtr> tasks{task1_, task2_};
     empty_table_.Put(tasks);
-    ASSERT_EQ(empty_table_.Get(0).task, task1_);
-    ASSERT_EQ(empty_table_.Get(1).task, task2_);
+    ASSERT_EQ(empty_table_.Get(0)->task, task1_);
+    ASSERT_EQ(empty_table_.Get(1)->task, task2_);
 }
 
 TEST_F(TaskTableBaseTest, put_empty_batch) {
@@ -89,14 +89,14 @@ protected:
             table1_.Put(task);
         }
 
-        table1_.Get(0).state = TaskTableItemState::INVALID;
-        table1_.Get(1).state = TaskTableItemState::START;
-        table1_.Get(2).state = TaskTableItemState::LOADING;
-        table1_.Get(3).state = TaskTableItemState::LOADED;
-        table1_.Get(4).state = TaskTableItemState::EXECUTING;
-        table1_.Get(5).state = TaskTableItemState::EXECUTED;
-        table1_.Get(6).state = TaskTableItemState::MOVING;
-        table1_.Get(7).state = TaskTableItemState::MOVED;
+        table1_.Get(0)->state = TaskTableItemState::INVALID;
+        table1_.Get(1)->state = TaskTableItemState::START;
+        table1_.Get(2)->state = TaskTableItemState::LOADING;
+        table1_.Get(3)->state = TaskTableItemState::LOADED;
+        table1_.Get(4)->state = TaskTableItemState::EXECUTING;
+        table1_.Get(5)->state = TaskTableItemState::EXECUTED;
+        table1_.Get(6)->state = TaskTableItemState::MOVING;
+        table1_.Get(7)->state = TaskTableItemState::MOVED;
     }
 
     TaskTable table1_;
@@ -106,22 +106,22 @@ TEST_F(TaskTableAdvanceTest, load) {
     table1_.Load(1);
     table1_.Loaded(2);
 
-    ASSERT_EQ(table1_.Get(1).state, TaskTableItemState::LOADING);
-    ASSERT_EQ(table1_.Get(2).state, TaskTableItemState::LOADED);
+    ASSERT_EQ(table1_.Get(1)->state, TaskTableItemState::LOADING);
+    ASSERT_EQ(table1_.Get(2)->state, TaskTableItemState::LOADED);
 }
 
 TEST_F(TaskTableAdvanceTest, execute) {
     table1_.Execute(3);
     table1_.Executed(4);
 
-    ASSERT_EQ(table1_.Get(3).state, TaskTableItemState::EXECUTING);
-    ASSERT_EQ(table1_.Get(4).state, TaskTableItemState::EXECUTED);
+    ASSERT_EQ(table1_.Get(3)->state, TaskTableItemState::EXECUTING);
+    ASSERT_EQ(table1_.Get(4)->state, TaskTableItemState::EXECUTED);
 }
 
 TEST_F(TaskTableAdvanceTest, move) {
     table1_.Move(3);
     table1_.Moved(6);
 
-    ASSERT_EQ(table1_.Get(3).state, TaskTableItemState::MOVING);
-    ASSERT_EQ(table1_.Get(6).state, TaskTableItemState::MOVED);
+    ASSERT_EQ(table1_.Get(3)->state, TaskTableItemState::MOVING);
+    ASSERT_EQ(table1_.Get(6)->state, TaskTableItemState::MOVED);
 }