Interface IStateListener

All Known Implementing Classes:
AbstractHandlerWithState, HandlerServiceHandler, WorkbenchHandlerServiceHandler
public interface IStateListener

A listener to changes in some state.

Clients may implement, but must not extend this interface.

Since:
3.2

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    handleStateChange(State state, Object oldValue)
    Handles a change to the value in some state.

  • Method Details

    • handleStateChange

      void handleStateChange(State state, Object oldValue)
      Handles a change to the value in some state.
      Parameters:
      state - The state that has changed; never null. The value for this state has been updated to the new value.
      oldValue - The old value; may be anything.