org.apache.avro.tool

Class TrevniMetadataTool

java.lang.Object

org.apache.avro.tool.TrevniMetadataTool

All Implemented Interfaces:

Tool

public class TrevniMetadataTool
extends Object
implements Tool

Tool to print Trevni file metadata as JSON.

Constructor Summary

Constructors

Constructor and Description
TrevniMetadataTool()

Method Summary

Methods

Modifier and Type	Method and Description
void	dump(Input input, PrintStream out, boolean pretty) Read a Trevni file and print each row as a JSON object.
String	getName() Name of tool, to be used in listings.
String	getShortDescription() 1-line description to be used in command listings.
int	run(InputStream stdin, PrintStream out, PrintStream err, List<String> args) Runs the tool with supplied arguments.

Methods inherited from class java.lang.Object

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

Constructor Detail

TrevniMetadataTool

public TrevniMetadataTool()

Method Detail

getName

public String getName()

Description copied from interface: Tool

Name of tool, to be used in listings.

Specified by:

getName in interface Tool

getShortDescription

public String getShortDescription()

Description copied from interface: Tool

1-line description to be used in command listings.

Specified by:

getShortDescription in interface Tool

run

public int run(InputStream stdin,
      PrintStream out,
      PrintStream err,
      List<String> args)
        throws Exception

Description copied from interface: Tool

Runs the tool with supplied arguments. Input and output streams are customizable for easier testing.

Specified by:

run in interface Tool

Parameters:

stdin - Input stream to read data (typically System.in).

out - Output of tool (typically System.out).

err - Error stream (typically System.err).

args - Non-null list of arguments.

Returns:

result code (0 for success)

Throws:

Exception - Just like main(), tools may throw Exception.

dump

public void dump(Input input,
        PrintStream out,
        boolean pretty)
          throws IOException

Read a Trevni file and print each row as a JSON object.

Throws:

IOException