hep.lcio.util

Class MergeCommandHandler

java.lang.Object

hep.lcio.util.CommandHandler

hep.lcio.util.MergeCommandHandler

public class MergeCommandHandler
extends CommandHandler

This is the CommandHandler for the merge utility. It parses 'lcio merge' command-line options and passes the results to a method from MergeUtil.

Method Summary

Modifier and Type	Method and Description
List	createDefaultMergeFiles(File[] files) Create the default merge options, which is one event from the file per merged output event.
List	createMergeFiles(List lines) Create a list of @see MergeFileParameters objects from the input file specified with -f.
void	execute() Execute the merge command with current arguments.
void	parse(String[] argv) Parse the command line options for the merge command using apache CLI.
void	printUsage(boolean doExit) Print usage and (optionally) exit the program.

Methods inherited from class hep.lcio.util.CommandHandler

getDescription, getName, getOptions

Methods inherited from class java.lang.Object

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

Method Detail

parse

public void parse(String[] argv)
           throws Exception

Parse the command line options for the merge command using apache CLI.

Specified by:

parse in class CommandHandler

Parameters:

argv - The input arguments for the merge command.

Throws:

Exception

execute

public void execute()
             throws Exception

Execute the merge command with current arguments.

Specified by:

execute in class CommandHandler

Throws:

Exception

createMergeFiles

public List createMergeFiles(List lines)
                      throws IOException

Create a list of @see MergeFileParameters objects from the input file specified with -f.

Parameters:

lines - File lines read from input file list (-f option).

Returns:

List of MergeFileParameters objects.

Throws:

IOException

createDefaultMergeFiles

public List createDefaultMergeFiles(File[] files)
                             throws IOException

Create the default merge options, which is one event from the file per merged output event.

Parameters:

files - An array of input File objects.

Returns:

A List of MergeFileParameters.

Throws:

IOException

printUsage

public void printUsage(boolean doExit)

Print usage and (optionally) exit the program.

Overrides:

printUsage in class CommandHandler

Parameters:

doExit - Whether or not to exit after printing usage.