Class StandaloneClient

java.lang.Object
  StandaloneClient

All Implemented Interfaces:

ClientMessageWriter

public class StandaloneClient
extends java.lang.Object
implements ClientMessageWriter

This class defines a SLAMD client that may execute SLAMD jobs without the need for a SLAMD server to be running. It allows a single client to execute a job from the command line with output sent to standard output and standard error. The configuration for the job should be specified in a configuration file.

Author:

Neil A. Wilson

Constructor Summary

StandaloneClient(java.lang.String[] args)
Create a new standalone client instance, process the configuration, and run the specified job.

Method Summary

void	displayUsage() Writes usage information for this program to standard error.
void	generateConfigFile() Generates a configuration file that can be used to run the specified job.
static void	main(java.lang.String[] args) Create a new standalone client instance and pass all the arguments to it.
boolean	usingVerboseMode() Indicates whether the message writer is using verbose mode and therefore will display messages written with the writeVerbose method.
void	writeComment(java.io.BufferedWriter writer, java.lang.String comment) Writes the provided comment to the generated configuration file, wrapping long lines if necessary.
void	writeMessage(java.lang.String message) Writes information logged during job processing to standard output.
void	writeVerbose(java.lang.String message) Writes verbose information logged during job processing to standard output (if verbose logging is enabled).

Methods inherited from class java.lang.Object

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

Constructor Detail

StandaloneClient

public StandaloneClient(java.lang.String[] args)

Create a new standalone client instance, process the configuration, and run the specified job.

Parameters:

args - The set of arguments provided on the command line.

Method Detail

main

public static void main(java.lang.String[] args)

Create a new standalone client instance and pass all the arguments to it.

Parameters:

args - The set of arguments provided on the command line.

generateConfigFile

public void generateConfigFile()

Generates a configuration file that can be used to run the specified job.

writeComment

public void writeComment(java.io.BufferedWriter writer,
                         java.lang.String comment)
                  throws java.io.IOException

Writes the provided comment to the generated configuration file, wrapping long lines if necessary.

Parameters:

writer - The buffered writer used to write information to the configuration file.

comment - The comment to be written to the file.

Throws:

java.io.IOException - If a problem occurs while writing the comment to the configuration file.

displayUsage

public void displayUsage()

Writes usage information for this program to standard error.

writeMessage

public void writeMessage(java.lang.String message)

Writes information logged during job processing to standard output.

Specified by:

writeMessage in interface ClientMessageWriter

Parameters:

message - The message to be written to standard output.

writeVerbose

public void writeVerbose(java.lang.String message)

Writes verbose information logged during job processing to standard output (if verbose logging is enabled).

Specified by:

writeVerbose in interface ClientMessageWriter

Parameters:

message - The message to be written to standard output.

usingVerboseMode

public boolean usingVerboseMode()

Indicates whether the message writer is using verbose mode and therefore will display messages written with the writeVerbose method.

Specified by:

usingVerboseMode in interface ClientMessageWriter

Returns:

true if the message writer is using verbose mode, or false if not.