omero.gateway.util

Class NetworkChecker

java.lang.Object

omero.gateway.util.NetworkChecker

public class NetworkChecker
extends Object

Checks if the network is still up.

Since:

4.4

Author:

Jean-Marie Burel j.burel@dundee.ac.uk

Constructor Summary

Constructors

Constructor and Description
NetworkChecker(String address, Logger logger) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
boolean	isAvailable() Checks the network is available or not.
boolean	isNetworkup(boolean useCachedValue) Returns true if the network is still up, otherwise throws an UnknownHostException.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NetworkChecker

public NetworkChecker(String address,
                      Logger logger)

Creates a new instance.

Parameters:

address - The address of the server the client is connected to or null.

logger - Reference to the logger.

Method Detail

isNetworkup

public boolean isNetworkup(boolean useCachedValue)
                    throws Exception

Returns true if the network is still up, otherwise throws an UnknownHostException. This tests if the adapter is ready.

Parameters:

useCachedValue - Pass true if we use the cached value, false otherwise.

Returns:

See above.

Throws:

Exception - Thrown if the network is down.

isAvailable

public boolean isAvailable()
                    throws Exception

Checks the network is available or not.

Returns:

See above.

Throws:

Exception - Thrown if an error occurred if we cannot reach.