net.bluemind.node.api

Class NCUtils

java.lang.Object

net.bluemind.node.api.NCUtils

public final class NCUtils
extends java.lang.Object

Helper methods for monitoring tasks running a remote node using INodeClient

Constructor Summary

Constructors

Constructor and Description
NCUtils()

Method Summary

Modifier and Type	Method and Description
static boolean	connectedToMyself(INodeClient nc)
static ExitList	exec(INodeClient nc, java.lang.String cmd) Waits for a tasks to complete, returning its output.
static ExitList	exec(INodeClient nc, java.lang.String cmd, long delay, java.util.concurrent.TimeUnit unit) The command runs over a websocket
static void	execNoOut(INodeClient nc, java.lang.String cmd) Waits for a tasks to complete, don't retrieve its output.
static void	execNoOut(INodeClient nc, java.lang.String cmd, long delay, java.util.concurrent.TimeUnit unit) The commands runs over a websocket
static void	execOrFail(INodeClient nc, java.lang.String cmd) Waits for a tasks to complete, throws ServerFault if task fails
static void	forget(INodeClient nc, java.lang.String cmd) Spawns a tasks.
static ExitList	waitFor(INodeClient nc, TaskRef ref) Waits for a tasks to complete and returns its output

Methods inherited from class java.lang.Object

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

Constructor Detail

NCUtils

public NCUtils()

Method Detail

exec

public static ExitList exec(INodeClient nc,
                            java.lang.String cmd)
                     throws ServerFault

Waits for a tasks to complete, returning its output.

Parameters:

nc -

cmd -

Returns:

the command output

Throws:

ServerFault

exec

public static ExitList exec(INodeClient nc,
                            java.lang.String cmd,
                            long delay,
                            java.util.concurrent.TimeUnit unit)
                     throws ServerFault

The command runs over a websocket

Parameters:

nc -

cmd -

delay -

unit -

Returns:

Throws:

ServerFault

execNoOut

public static void execNoOut(INodeClient nc,
                             java.lang.String cmd)
                      throws ServerFault

Waits for a tasks to complete, don't retrieve its output.

Parameters:

nc -

cmd -

Throws:

ServerFault

execNoOut

public static void execNoOut(INodeClient nc,
                             java.lang.String cmd,
                             long delay,
                             java.util.concurrent.TimeUnit unit)
                      throws ServerFault

The commands runs over a websocket

Parameters:

nc -

cmd -

delay -

unit -

Throws:

ServerFault

execOrFail

public static void execOrFail(INodeClient nc,
                              java.lang.String cmd)
                       throws ServerFault

Waits for a tasks to complete, throws ServerFault if task fails

Parameters:

nc -

cmd -

Throws:

ServerFault

forget

public static void forget(INodeClient nc,
                          java.lang.String cmd)

Spawns a tasks. Use it when you don't care about the task result or completion.

Parameters:

nc -

cmd -

Throws:

ServerFault

waitFor

public static ExitList waitFor(INodeClient nc,
                               TaskRef ref)
                        throws ServerFault

Waits for a tasks to complete and returns its output

Parameters:

nc -

ref -

Returns:

Throws:

ServerFault

connectedToMyself

public static boolean connectedToMyself(INodeClient nc)
                                 throws ServerFault

Throws:

ServerFault