com.aliyun.odps.exec

Class ExecutionContextReporter

java.lang.Object

com.aliyun.odps.exec.ExecutionContextReporter

All Implemented Interfaces:

Reporter

public class ExecutionContextReporter
extends Object
implements Reporter

Reporter implemented by ExecutionContext

Constructor Summary

Constructors

Constructor and Description
ExecutionContextReporter(ExecutionContext ctx)

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.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecutionContextReporter

public ExecutionContextReporter(ExecutionContext ctx)

Method Detail

setStatus

public void setStatus(String status)

Description copied from interface: Reporter

Set the status description for the task.

Specified by:

setStatus in interface Reporter

Parameters:

status - brief description of the current status.

getCounter

public Counter getCounter(Enum<?> name)

Description copied from interface: Reporter

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

Specified by:

getCounter in interface Reporter

Parameters:

name - counter name

Returns:

the Counter of the given group/name.

getCounter

public Counter getCounter(String group,
                          String name)

Description copied from interface: Reporter

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

Specified by:

getCounter in interface Reporter

Parameters:

group - counter group

name - counter name

Returns:

the Counter of the given group/name.

incrCounter

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

Description copied from interface: Reporter

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

Specified by:

incrCounter in interface Reporter

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

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

Description copied from interface: Reporter

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

Specified by:

incrCounter in interface Reporter

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

public InputSplit getInputSplit()
                         throws UnsupportedOperationException

Description copied from interface: Reporter

Get the InputSplit object for a map.

Specified by:

getInputSplit in interface Reporter

Returns:

the InputSplit that the map is reading from.

Throws:

UnsupportedOperationException - if called outside a mapper

getProgress

public float getProgress()

Description copied from interface: Reporter

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

Specified by:

getProgress in interface Reporter

progress

public void progress()

Description copied from interface: Reporter

Report progress to the framework.

Specified by:

progress in interface Reporter