Connectable

Abort CanConnect ClearAbort Connect Disconnect

Attributes

Aborted Connected

Fields

Define Class Connectable;
    mixes in with Object;

    operation CanConnect(announceWhyNot: Boolean): Boolean, noMethod, noFail;
        // preflight sanity check to see if ready to accept a Connect call.  
        // Passing in 'true' requests an appropriate announcement be shown 
        // to the user if the object is not connectable at this time.

    operation Connect(destination: Object; wantsStatus: Object), noMethod, noFail;
        // connect to the given destination; if 'wantsStatus' is not nil,
        // it represents an object that wants to receive updates on the
        // status of the connection.  Usually this is a StatusAnnouncement object.
    attribute Connected: Boolean, readOnly, noGetter;
        // checks if a connection is already in progress
        
    operation Disconnect(), noMethod, noFail;
        // disconnect from the destination

    operation Abort(), noMethod, noFail;
        // abort the connection
    attribute Aborted: Boolean, readOnly, noGetter;
        // checks if the connection has been aborted
    operation ClearAbort(), noMethod, noFail;
        // clears the abort condition after everything is back to normal
end class;