org.teiid.net.socket
Interface ServerDiscovery

All Known Implementing Classes:

UrlServerDiscovery

public interface ServerDiscovery

Customizable ServerDiscovery interface

Method Summary

void	connectionSuccessful(HostInfo info) Indicates that a connection was made successfully to the given host.
List<HostInfo>	getKnownHosts(LogonResult result, SocketServerInstance instance) Get the currently known hosts.
void	init(TeiidURL url, Properties p) Initialize the ServerDiscovery
void	markInstanceAsBad(HostInfo info) Indicates that a connection could not be made to the given host.
HostInfo	selectNextInstance(List<HostInfo> hosts) Select the next instance to try.
void	shutdown() Shutdown this ServerDiscovery

Method Detail

init

void init(TeiidURL url,
          Properties p)

Initialize the ServerDiscovery

Parameters:

url -

p -

getKnownHosts

List<HostInfo> getKnownHosts(LogonResult result,
                             SocketServerInstance instance)

Get the currently known hosts. Will be called prior to connecting and after authentication for each connection.

Parameters:

result, - the current LogonResult - may be null if unauthenticated

instance, - the currently connected instance - may be null if not connected

Returns:

connectionSuccessful

void connectionSuccessful(HostInfo info)

Indicates that a connection was made successfully to the given host.

Parameters:

info -

markInstanceAsBad

void markInstanceAsBad(HostInfo info)

Indicates that a connection could not be made to the given host.

Parameters:

info -

shutdown

void shutdown()

Shutdown this ServerDiscovery

selectNextInstance

HostInfo selectNextInstance(List<HostInfo> hosts)

Select the next instance to try. The entry should be removed from the list when no more attempts are desired. and not return null.

Parameters:

hosts -

Returns:

a non-null HostInfo to try