_ClientCallbackOperations (omero-blitz 5.8.0 API)

All Known Subinterfaces:

ClientCallback

All Known Implementing Classes:

_ClientCallbackDisp, _ClientCallbackTie
```
public interface _ClientCallbackOperations
```
Primary callback interface for interaction between client and server session (""ServiceFactory""). Where possible these methods will be called one-way to prevent clients from hanging the server.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`requestHeartbeat(Ice.Current __current)`	Heartbeat-request made by the server to guarantee that the client is alive.
`void`	`sessionClosed(Ice.Current __current)`	The session to which this ServiceFactory is connected has been closed.
`void`	`shutdownIn(long milliseconds, Ice.Current __current)`	Message that the server will be shutting down in the given number of milliseconds, after which all new and running method invocations will receive a CancelledException.

- Method Detail
  - requestHeartbeat
```
void requestHeartbeat(Ice.Current __current)
```
    Heartbeat-request made by the server to guarantee that the client is alive. If the client is still active, then some method should be made on the server to update the last idle time.
    
    Parameters:
    
    __current - The Current object for the invocation.
  - sessionClosed
```
void sessionClosed(Ice.Current __current)
```
    The session to which this ServiceFactory is connected has been closed. Almost no further method calls (if any) are possible. Create a new session via omero.client.createSession()
    
    Parameters:
    
    __current - The Current object for the invocation.
  - shutdownIn
```
void shutdownIn(long milliseconds,
                Ice.Current __current)
```
    Message that the server will be shutting down in the given number of milliseconds, after which all new and running method invocations will receive a CancelledException.
    
    Parameters:
    
    __current - The Current object for the invocation.