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General Tech Learning Aids/Tools 2 years ago
Posted on 16 Aug 2022, this text provides information on Learning Aids/Tools related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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I have a dll library TaskLibrary.dll with a class Execution performing some Operation(s) and a class ParallelizeExecution that takes a single Execution, clones it and executes the Run method of the multiple Execution instances.
Execution
Operation
ParallelizeExecution
Run
The Clone method of the Execution class works by converting the Execution in xml and reverting it back to normal as a new instance
Clone
public Execution{ List<AOperation> operations; public Run(){ foreach(var op in operations){ //...do stuff... } } public Execution Clone(){ MyXmlSerializer.DeserializeObject<Execution>( MyXmlSerializer.SerializeObject(this)); } } public ParallelizeExecution{ List<Execution> toRun; public RunParallel(Execution e,int numExecutions){ toRun=new List<Execution>(); for(var i=0;i<numExecutions;i++){ toRun.Add(e.Clone()); } } }
The Execution class is serializable as is each of the classes implementing Operation. This is obtained by using an abstract class (AOperation) which all the IOperation implementations extend, using the XmlInclude annotation to make MyXmlSerializer work for each IOperation.
AOperation
IOperation
XmlInclude
MyXmlSerializer
[XmlInclude(typeof(Operation1))] [XmlInclude(typeof(Operation2))] public abstract class AOperation:IOperation{ ... }
Now I have a new project referencing the TaskLibrary.dll. I need to add a new kind of Operation to a Execution:
public class Operation3: Operation2 { }
Everything works fine with a single execution, but when I use ParallelizeExecution Operation3 is correctly serialized as Operation2 thus executing an unwanted Run method. How can I add a new type of AOperation to the Execution class and expect it to be correctly serialized and run in the Execution?
Operation3
Operation2
OR
How can I avoid the problem without altering the way the Execution class is serialized?
Caveat: I know that it is possible to use Reflection to xmlserialize any tipe extending a given one, but i'd rather learn how to do this using standard OOP (if possible).
EDIT: I could modify TaskLibrary.dll but I'd rather avoid this approach, it would void my efforts in learning new things and aiding the community, moreover it would be quite painful to redistribute the library to those already using it.
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