Package org.apache.hadoop.tools.dynamometer.workloadgenerator.audit

Interface AuditCommandParser

All Known Implementing Classes:

AuditLogDirectParser, AuditLogHiveTableParser

public interface AuditCommandParser

This interface represents a pluggable command parser. It will accept in one line of Text input at a time and return an AuditReplayCommand which represents the input text. Each input line should produce exactly one command.

Method Summary

Modifier and Type	Method	Description
void	initialize(org.apache.hadoop.conf.Configuration conf)	Initialize this parser with the given configuration.
org.apache.hadoop.tools.dynamometer.workloadgenerator.audit.AuditReplayCommand	parse(org.apache.hadoop.io.Text inputLine, java.util.function.Function<java.lang.Long,java.lang.Long> relativeToAbsolute)	Convert a line of input into an AuditReplayCommand.

Method Detail

initialize

void initialize(org.apache.hadoop.conf.Configuration conf)
         throws java.io.IOException

Initialize this parser with the given configuration. Guaranteed to be called prior to any calls to parse(Text, Function).

Parameters:

conf - The Configuration to be used to set up this parser.

Throws:

java.io.IOException - if error on initializing a parser.

parse

org.apache.hadoop.tools.dynamometer.workloadgenerator.audit.AuditReplayCommand parse(org.apache.hadoop.io.Text inputLine,
                                                                                     java.util.function.Function<java.lang.Long,java.lang.Long> relativeToAbsolute)
                                                                              throws java.io.IOException

Convert a line of input into an AuditReplayCommand. Since AuditReplayCommands store absolute timestamps, relativeToAbsolute can be used to convert relative timestamps (i.e., milliseconds elapsed between the start of the audit log and this command) into absolute timestamps.

Parameters:

inputLine - Single input line to convert.

relativeToAbsolute - Function converting relative timestamps (in milliseconds) to absolute timestamps (in milliseconds).

Returns:

A command representing the input line.

Throws:

java.io.IOException - if error on parsing.