Dict

The Dict() function is used to create a dictionary object for passing and sharing data between concurrent threads.

    
    
    
Dict()

Examples

• Pass a regular object to concurrent thread execution function, test whether modifying object key values will affect object key values in other threads.

  
      javascript
      
      
  function threadFun1(obj) {
      obj["age"] = 100
      while (true) {
          Log("threadFun1 obj:", obj)
          Sleep(5000)
      }
  }
  
  function threadFun2(obj) {
      while (true) {
          Log("threadFun2 obj:", obj)
          Sleep(5000)
      }
  }
  
  function main() {
      var obj = {"age": 10}
      var t1 = threading.Thread(threadFun1, obj)
      var t2 = threading.Thread(threadFun2, obj)
      t1.join()
      t2.join()
  }
  

• Pass a ThreadDict object created by the Dict() function to concurrent thread execution function, test whether modifying object key values will affect object key values in other threads.

  
      javascript
      
      
  function threadFun1(threadDict) {
      threadDict.set("age", 100)
      while (true) {
          Log(`threadFun1 threadDict.get("age"):`, threadDict.get("age"))
          Sleep(5000)
      }
  }
  
  function threadFun2(threadDict) {
      while (true) {
          Log(`threadFun2 threadDict.get("age"):`, threadDict.get("age"))
          Sleep(5000)
      }
  }
  
  function main() {
      var threadDict = threading.Dict()
      threadDict.set("age", 10)
      var t1 = threading.Thread(threadFun1, threadDict)
      var t2 = threading.Thread(threadFun2, threadDict)
  
      t1.join()
      t2.join()
  }
  

Returns

See Also

Remarks

When passing regular objects to concurrent thread functions, deep copy is used. Modifying key values in concurrent threads will not affect dictionaries in other threads.

Supports backtesting system and live trading environment.