org.elasticsearch.index.translog

Class TruncateTranslogCommand

java.lang.Object

org.elasticsearch.cli.Command

org.elasticsearch.cli.EnvironmentAwareCommand

org.elasticsearch.index.translog.TruncateTranslogCommand

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class TruncateTranslogCommand
extends EnvironmentAwareCommand

Field Summary

Fields inherited from class org.elasticsearch.cli.Command

description, parser

Constructor Summary

Constructors

Constructor and Description
TruncateTranslogCommand()

Method Summary

Modifier and Type	Method and Description
protected void	execute(Terminal terminal, joptsimple.OptionSet options, Environment env) Execute the command with the initialized Environment.
static java.util.Set<java.nio.file.Path>	filesInDirectory(java.nio.file.Path directory) Return a Set of all files in a given directory
joptsimple.OptionParser	getParser()
protected void	printAdditionalHelp(Terminal terminal)
static void	warnAboutDeletingFiles(Terminal terminal, java.util.Set<java.nio.file.Path> files, boolean batchMode) Show a warning about deleting files, asking for a confirmation if batchMode is false
static void	writeEmptyCheckpoint(java.nio.file.Path filename, int translogLength, long translogGeneration) Write a checkpoint file to the given location with the given generation
static int	writeEmptyTranslog(java.nio.file.Path filename, java.lang.String translogUUID) Write a translog containing the given translog UUID to the given location.

Methods inherited from class org.elasticsearch.cli.EnvironmentAwareCommand

createEnv, execute

Methods inherited from class org.elasticsearch.cli.Command

addShutdownHook, close, exit, main

Methods inherited from class java.lang.Object

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

Constructor Detail

TruncateTranslogCommand

public TruncateTranslogCommand()

Method Detail

getParser

public joptsimple.OptionParser getParser()

printAdditionalHelp

protected void printAdditionalHelp(Terminal terminal)

Overrides:

printAdditionalHelp in class Command

execute

protected void execute(Terminal terminal,
                       joptsimple.OptionSet options,
                       Environment env)
                throws java.lang.Exception

Description copied from class: EnvironmentAwareCommand

Execute the command with the initialized Environment.

Specified by:

execute in class EnvironmentAwareCommand

Throws:

java.lang.Exception

writeEmptyCheckpoint

public static void writeEmptyCheckpoint(java.nio.file.Path filename,
                                        int translogLength,
                                        long translogGeneration)
                                 throws java.io.IOException

Write a checkpoint file to the given location with the given generation

Throws:

java.io.IOException

writeEmptyTranslog

public static int writeEmptyTranslog(java.nio.file.Path filename,
                                     java.lang.String translogUUID)
                              throws java.io.IOException

Write a translog containing the given translog UUID to the given location. Returns the number of bytes written.

Throws:

java.io.IOException

warnAboutDeletingFiles

public static void warnAboutDeletingFiles(Terminal terminal,
                                          java.util.Set<java.nio.file.Path> files,
                                          boolean batchMode)

Show a warning about deleting files, asking for a confirmation if batchMode is false

filesInDirectory

public static java.util.Set<java.nio.file.Path> filesInDirectory(java.nio.file.Path directory)
                                                          throws java.io.IOException

Return a Set of all files in a given directory

Throws:

java.io.IOException