com.aliyun.odps.exec

Interface Reporter

All Known Implementing Classes:

ExecutionContextReporter

public interface Reporter

Method Summary

Modifier and Type	Method and Description
Counter	getCounter(Enum<?> name) Get the Counter of the given group with the given name.
Counter	getCounter(String group, String name) Get the Counter of the given group with the given name.
InputSplit	getInputSplit() Get the InputSplit object for a map.
float	getProgress() Get the progress of the task.
void	incrCounter(Enum<?> key, long amount) Increments the counter identified by the key, which can be of any Enum type, by the specified amount.
void	incrCounter(String group, String counter, long amount) Increments the counter identified by the group and counter name by the specified amount.
void	progress() Report progress to the framework.
void	setStatus(String status) Set the status description for the task.

Method Detail

setStatus

void setStatus(String status)

Set the status description for the task.

Parameters:

status - brief description of the current status.

getCounter

Counter getCounter(Enum<?> name)

Get the Counter of the given group with the given name.

Parameters:

name - counter name

Returns:

the Counter of the given group/name.

getCounter

Counter getCounter(String group,
                   String name)

Get the Counter of the given group with the given name.

Parameters:

group - counter group

name - counter name

Returns:

the Counter of the given group/name.

incrCounter

void incrCounter(Enum<?> key,
                 long amount)

Increments the counter identified by the key, which can be of any Enum type, by the specified amount.

Parameters:

key - key to identify the counter to be incremented. The key can be be any Enum.

amount - A non-negative amount by which the counter is to be incremented.

incrCounter

void incrCounter(String group,
                 String counter,
                 long amount)

Increments the counter identified by the group and counter name by the specified amount.

Parameters:

group - name to identify the group of the counter to be incremented.

counter - name to identify the counter within the group.

amount - A non-negative amount by which the counter is to be incremented.

getInputSplit

InputSplit getInputSplit()
                  throws UnsupportedOperationException

Get the InputSplit object for a map.

Returns:

the InputSplit that the map is reading from.

Throws:

UnsupportedOperationException - if called outside a mapper

getProgress

float getProgress()

Get the progress of the task. Progress is represented as a number between 0 and 1 (inclusive).

progress

void progress()

Report progress to the framework.