Package net.bluemind.node.api

Class NCUtils

java.lang.Object

net.bluemind.node.api.NCUtils

public final class NCUtils
extends Object

Helper methods for monitoring tasks running a remote node using INodeClient

Constructor Summary

Constructors

Constructor	Description
NCUtils()

Method Summary

Modifier and Type	Method	Description
static boolean	connectedToMyself(INodeClient nc)
static ExitList	exec(INodeClient nc, long delay, TimeUnit unit, String... argv)
static ExitList	exec(INodeClient nc, String... argv)
static ExitList	exec(INodeClient nc, List<String> argv)	Waits for a tasks to complete, returning its output.
static ExitList	exec(INodeClient nc, List<String> argv, long delay, TimeUnit unit)	The command runs over a websocket
static void	execNoOut(INodeClient nc, long delay, TimeUnit unit, String... argv)
static void	execNoOut(INodeClient nc, String... argv)
static void	execNoOut(INodeClient nc, List<String> argv)	Waits for a tasks to complete, don't retrieve its output.
static void	execNoOut(INodeClient nc, List<String> argv, long delay, TimeUnit unit)	The commands runs over a websocket
static void	execOrFail(INodeClient nc, String... argv)
static void	execOrFail(INodeClient nc, List<String> argv)	Waits for a tasks to complete, throws ServerFault if task fails
static void	forget(INodeClient nc, String... argv)
static void	forget(INodeClient nc, List<String> argv)	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 Details

NCUtils

public NCUtils()

Method Details

exec

public static ExitList exec(INodeClient nc,
 List<String> argv)
                     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,
 String... argv)
                     throws ServerFault

Throws:

ServerFault

exec

public static ExitList exec(INodeClient nc,
 List<String> argv,
 long delay,
 TimeUnit unit)
                     throws ServerFault

The command runs over a websocket

Parameters:

nc -

delay -

unit -

cmd -

Returns:

Throws:

ServerFault

exec

public static ExitList exec(INodeClient nc,
 long delay,
 TimeUnit unit,
 String... argv)
                     throws ServerFault

Throws:

ServerFault

execNoOut

public static void execNoOut(INodeClient nc,
 List<String> argv)
                      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,
 String... argv)
                      throws ServerFault

Throws:

ServerFault

execNoOut

public static void execNoOut(INodeClient nc,
 List<String> argv,
 long delay,
 TimeUnit unit)
                      throws ServerFault

The commands runs over a websocket

Parameters:

nc -

delay -

unit -

cmd -

Throws:

ServerFault

execNoOut

public static void execNoOut(INodeClient nc,
 long delay,
 TimeUnit unit,
 String... argv)
                      throws ServerFault

Throws:

ServerFault

execOrFail

public static void execOrFail(INodeClient nc,
 List<String> argv)
                       throws ServerFault

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

Parameters:

nc -

cmd -

Throws:

ServerFault

execOrFail

public static void execOrFail(INodeClient nc,
 String... argv)
                       throws ServerFault

Throws:

ServerFault

forget

public static void forget(INodeClient nc,
 List<String> argv)

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

Parameters:

nc -

cmd -

Throws:

ServerFault

forget

public static void forget(INodeClient nc,
 String... argv)

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