Class LocalCommandExecutor

java.lang.Object

com.scivicslab.actoriac.mixin.LocalCommandExecutor

All Implemented Interfaces:

CommandExecutor

public class LocalCommandExecutor
extends Object
implements CommandExecutor

Command executor that executes commands on the local machine.

Used by NodeGroupInterpreter to execute commands locally when running on the control node itself.

Since:

2.15.0

Author:

devteam@scivicslab.com

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	DEFAULT_TIMEOUT_SECONDS
private final String	hostname

Constructor Summary

Constructors

Constructor	Description
LocalCommandExecutor()	Constructs a local command executor.

Method Summary

Modifier and Type	Method	Description
Node.CommandResult	execute(String command)	Executes a command and returns the result.
Node.CommandResult	execute(String command, Node.OutputCallback callback)	Executes a command and returns the result with output callback.
Node.CommandResult	executeSudo(String command)	Executes a command with sudo privileges.
Node.CommandResult	executeSudo(String command, Node.OutputCallback callback)	Executes a command with sudo privileges and output callback.
String	getIdentifier()	Gets a short identifier for this executor (e.g., hostname).

Methods inherited from class Object

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

Field Details

DEFAULT_TIMEOUT_SECONDS

private static final long DEFAULT_TIMEOUT_SECONDS

See Also:

• Constant Field Values

hostname

private final String hostname

Constructor Details

LocalCommandExecutor

public LocalCommandExecutor()

Constructs a local command executor.

Method Details

execute

public Node.CommandResult execute(String command)
                           throws IOException

Description copied from interface: CommandExecutor

Executes a command and returns the result.

Specified by:

execute in interface CommandExecutor

Parameters:

command - the command to execute

Returns:

the result of command execution

Throws:

IOException - if command execution fails

execute

public Node.CommandResult execute(String command,
 Node.OutputCallback callback)
                           throws IOException

Description copied from interface: CommandExecutor

Executes a command and returns the result with output callback.

Specified by:

execute in interface CommandExecutor

Parameters:

command - the command to execute

callback - the callback for real-time output (may be null)

Returns:

the result of command execution

Throws:

IOException - if command execution fails

executeSudo

public Node.CommandResult executeSudo(String command)
                               throws IOException

Description copied from interface: CommandExecutor

Executes a command with sudo privileges.

Specified by:

executeSudo in interface CommandExecutor

Parameters:

command - the command to execute with sudo

Returns:

the result of command execution

Throws:

IOException - if command execution fails or SUDO_PASSWORD is not set

executeSudo

public Node.CommandResult executeSudo(String command,
 Node.OutputCallback callback)
                               throws IOException

Description copied from interface: CommandExecutor

Executes a command with sudo privileges and output callback.

Specified by:

executeSudo in interface CommandExecutor

Parameters:

command - the command to execute with sudo

callback - the callback for real-time output (may be null)

Returns:

the result of command execution

Throws:

IOException - if command execution fails or SUDO_PASSWORD is not set

getIdentifier

public String getIdentifier()

Description copied from interface: CommandExecutor

Gets a short identifier for this executor (e.g., hostname).

Specified by:

getIdentifier in interface CommandExecutor

Returns:

the identifier string