org.apache.avro.tool
Class DataFileGetSchemaTool

java.lang.Object
  org.apache.avro.tool.DataFileGetSchemaTool

All Implemented Interfaces:

Tool

public class DataFileGetSchemaTool
extends Object
implements Tool

Reads a data file to get its schema.

Constructor Summary

DataFileGetSchemaTool()

Method Summary

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

DataFileGetSchemaTool

public DataFileGetSchemaTool()

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.