Package org.apache.hadoop.hbase.procedure2.store.region

Class WALProcedurePrettyPrinter

java.lang.Object

org.apache.hadoop.hbase.util.AbstractHBaseTool

org.apache.hadoop.hbase.procedure2.store.region.WALProcedurePrettyPrinter

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@LimitedPrivate("Tools")
@Evolving
public class WALProcedurePrettyPrinter
extends AbstractHBaseTool

A tool to dump the procedures in the WAL files.

The different between this and WALPrettyPrinter is that, this class will decode the procedure in the WALEdit for better debugging. You are free to use WALPrettyPrinter to dump the same file as well.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

AbstractHBaseTool.OptionsOrderComparator

Field Summary

Fields

Modifier and Type	Field	Description
private String	file
private static final DateTimeFormatter	FORMATTER
private static final String	KEY_TMPL
private PrintStream	out

Fields inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

cmdLineArgs, conf, EXIT_FAILURE, EXIT_SUCCESS, LONG_HELP_OPTION, options, SHORT_HELP_OPTION

Constructor Summary

Constructors

Constructor	Description
WALProcedurePrettyPrinter()
WALProcedurePrettyPrinter(PrintStream out)

Method Summary

Modifier and Type	Method	Description
protected void	addOptions()	Override this to add command-line options using AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String) and similar methods.
protected int	doWork()	The "main function" of the tool
static void	main(String[] args)
protected void	processOptions(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)	This method is called to process the options after they have been parsed.

Methods inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

addOption, addOptNoArg, addOptNoArg, addOptWithArg, addOptWithArg, addRequiredOption, addRequiredOptWithArg, addRequiredOptWithArg, doStaticMain, getConf, getOptionAsDouble, getOptionAsInt, getOptionAsInt, getOptionAsLong, getOptionAsLong, newParser, parseArgs, parseInt, parseLong, printUsage, printUsage, processOldArgs, run, setConf

Methods inherited from class java.lang.Object

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

Field Details

KEY_TMPL

private static final String KEY_TMPL

See Also:

• Constant Field Values

FORMATTER

private static final DateTimeFormatter FORMATTER

file

private String file

out

private PrintStream out

Constructor Details

WALProcedurePrettyPrinter

public WALProcedurePrettyPrinter()

WALProcedurePrettyPrinter

public WALProcedurePrettyPrinter(PrintStream out)

Method Details

addOptions

protected void addOptions()

Description copied from class: AbstractHBaseTool

Override this to add command-line options using AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String) and similar methods.

Specified by:

addOptions in class AbstractHBaseTool

processOptions

protected void processOptions(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)

Description copied from class: AbstractHBaseTool

This method is called to process the options after they have been parsed.

Specified by:

processOptions in class AbstractHBaseTool

doWork

protected int doWork()
              throws Exception

Description copied from class: AbstractHBaseTool

The "main function" of the tool

Specified by:

doWork in class AbstractHBaseTool

Throws:

Exception

main

public static void main(String[] args)