org.apache.cassandra.tools

Class SSTableExport

java.lang.Object

org.apache.cassandra.tools.SSTableExport

public class SSTableExport
extends java.lang.Object

Export SSTables to JSON format.

Constructor Summary

Constructors

Constructor and Description
SSTableExport()

Method Summary

Methods

Modifier and Type	Method and Description
static void	enumeratekeys(Descriptor desc, java.io.PrintStream outs) Enumerate row keys from an SSTableReader and write the result to a PrintStream.
static void	export(Descriptor desc, java.io.PrintStream outs, java.util.Collection<java.lang.String> toExport, java.lang.String[] excludes) Export specific rows from an SSTable and write the resulting JSON to a PrintStream.
static void	export(Descriptor desc, java.io.PrintStream outs, java.lang.String[] excludes) Export an SSTable and write the resulting JSON to a PrintStream.
static void	export(Descriptor desc, java.lang.String[] excludes) Export an SSTable and write the resulting JSON to standard out.
static void	main(java.lang.String[] args) Given arguments specifying an SSTable, and optionally an output file, export the contents of the SSTable to JSON.

Methods inherited from class java.lang.Object

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

Constructor Detail

SSTableExport

public SSTableExport()

Method Detail

enumeratekeys

public static void enumeratekeys(Descriptor desc,
                 java.io.PrintStream outs)
                          throws java.io.IOException

Enumerate row keys from an SSTableReader and write the result to a PrintStream.

Parameters:

desc - the descriptor of the file to export the rows from

outs - PrintStream to write the output to

Throws:

java.io.IOException - on failure to read/write input/output

export

public static void export(Descriptor desc,
          java.io.PrintStream outs,
          java.util.Collection<java.lang.String> toExport,
          java.lang.String[] excludes)
                   throws java.io.IOException

Export specific rows from an SSTable and write the resulting JSON to a PrintStream.

Parameters:

desc - the descriptor of the sstable to read from

outs - PrintStream to write the output to

toExport - the keys corresponding to the rows to export

excludes - keys to exclude from export

Throws:

java.io.IOException - on failure to read/write input/output

export

public static void export(Descriptor desc,
          java.io.PrintStream outs,
          java.lang.String[] excludes)
                   throws java.io.IOException

Export an SSTable and write the resulting JSON to a PrintStream.

Parameters:

desc - the descriptor of the sstable to read from

outs - PrintStream to write the output to

excludes - keys to exclude from export

Throws:

java.io.IOException - on failure to read/write input/output

export

public static void export(Descriptor desc,
          java.lang.String[] excludes)
                   throws java.io.IOException

Export an SSTable and write the resulting JSON to standard out.

Parameters:

desc - the descriptor of the sstable to read from

excludes - keys to exclude from export

Throws:

java.io.IOException - on failure to read/write SSTable/standard out

main

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

Given arguments specifying an SSTable, and optionally an output file, export the contents of the SSTable to JSON.

Parameters:

args - command lines arguments

Throws:

java.io.IOException - on failure to open/read/write files or output streams

ConfigurationException - on configuration failure (wrong params given)