org.apache.avro.tool
Interface Tool

All Known Implementing Classes:
BinaryFragmentToJsonTool, DataFileGetSchemaTool, DataFileReadTool, DataFileWriteTool, FromTextTool, IdlTool, InduceSchemaTool, JsonToBinaryFragmentTool, RpcReceiveTool, RpcSendTool, SpecificCompiler.SpecificCompilerTool, TetherJob, ToTextTool

public interface Tool

Command-line "avro-tools" utilities should implement this interface for delegation by Main.


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 in, PrintStream out, PrintStream err, List<String> args)
          Runs the tool with supplied arguments.
 

Method Detail

run

int run(InputStream in,
        PrintStream out,
        PrintStream err,
        List<String> args)
        throws Exception
Runs the tool with supplied arguments. Input and output streams are customizable for easier testing.

Parameters:
in - 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.

getName

String getName()
Name of tool, to be used in listings.


getShortDescription

String getShortDescription()
1-line description to be used in command listings.



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