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Java: Detecting generic type by Enum [duplicate]

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I have a class with a generic parameter T say Action. Every Action has an ActionType, given in the constructor. For example, it could be GET_STRING. Depending on the ActionType, I would like Java to detect the Action's generic type T.
Example:

class

T

Action

Action

ActionType

GET_STRING

ActionType

Action

T

public enum ActionType
GET_STRING(String.class), GET_BOOLEAN(Boolean.class);

private ActionType(Class clazz) this.clazz = clazz
private Class clazz;
Class getType() return clazz;



Now I want Action to automatically have the type its ActionType#getType() returns.

Action

ActionType#getType()

public class Action<T>
public Action(ActionType type)
// magic


public T doAction() ...


String s = new Action(ActionType.GET_STRING).doAction();


Is that possible? Maybe in a way that the enum implements an interface or something similar?

enum

interface

Thanks for your help in advance!!

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