org.voltdb.client

Interface ClientStatusListener

Deprecated.

Use ClientStatusListenerExt instead.

@Deprecated
public interface ClientStatusListener

Listener that a client application can provide to a Client in order to receive notifications when a connection is lost or backpressure occurs

Method Summary

Modifier and Type	Method and Description
void	backpressure(boolean status) Deprecated. Called by the client API whenever backpressure starts/stops.
void	connectionLost(java.lang.String hostname, int connectionsLeft) Deprecated. Notify listeners that a connection to a host was lost.
void	uncaughtException(ProcedureCallback callback, ClientResponse r, java.lang.Throwable e) Deprecated. Called when a ProcedureCallback.clientCallback(ClientResponse) invocation throws an exception.

Method Detail

connectionLost

void connectionLost(java.lang.String hostname,
                    int connectionsLeft)

Deprecated.

Notify listeners that a connection to a host was lost.

Parameters:

hostname - Name of the host the connect was lost to

connectionsLeft - Number of remaining connections this client has to the DB

backpressure

void backpressure(boolean status)

Deprecated.

Called by the client API whenever backpressure starts/stops. Backpressure is a condition where all TCP connections to the servers are full and the Client will no longer queue invocations.

Parameters:

status - true if there is backpressure and false otherwise.

uncaughtException

void uncaughtException(ProcedureCallback callback,
                       ClientResponse r,
                       java.lang.Throwable e)

Deprecated.

Called when a ProcedureCallback.clientCallback(ClientResponse) invocation throws an exception.

Parameters:

callback - The callback that threw an exception.

r - The response object passed to the callback.

e - The exception thrown by the callback.