org.apache.hadoop.mapreduce.counters

Class FileSystemCounterGroup.FSCounter

java.lang.Object

org.apache.hadoop.mapreduce.counters.AbstractCounter

org.apache.hadoop.mapreduce.counters.FileSystemCounterGroup.FSCounter

All Implemented Interfaces:

org.apache.hadoop.io.Writable, Counter

Enclosing class:

FileSystemCounterGroup<C extends Counter>

@InterfaceAudience.Private
public class FileSystemCounterGroup.FSCounter
extends AbstractCounter

Constructor Summary

Constructors

Constructor and Description
FileSystemCounterGroup.FSCounter(java.lang.String scheme, FileSystemCounter ref)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getDisplayName() Get the display name of the counter.
java.lang.String	getName()
Counter	getUnderlyingCounter() Return the underlying object if this is a facade.
long	getValue() What is the current value of this counter?
void	increment(long incr) Increment this counter by the given value
protected java.lang.String	localizeCounterName(java.lang.String counterName)
void	readFields(java.io.DataInput in)
void	setValue(long value) Set this counter by the given value
void	write(java.io.DataOutput out)

Methods inherited from class org.apache.hadoop.mapreduce.counters.AbstractCounter

equals, hashCode, setDisplayName

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileSystemCounterGroup.FSCounter

public FileSystemCounterGroup.FSCounter(java.lang.String scheme,
                                FileSystemCounter ref)

Method Detail

getName

public java.lang.String getName()

Returns:

the name of the counter

getDisplayName

public java.lang.String getDisplayName()

Description copied from interface: Counter

Get the display name of the counter.

Returns:

the user facing name of the counter

localizeCounterName

protected java.lang.String localizeCounterName(java.lang.String counterName)

getValue

public long getValue()

Description copied from interface: Counter

What is the current value of this counter?

Returns:

the current value

setValue

public void setValue(long value)

Description copied from interface: Counter

Set this counter by the given value

Parameters:

value - the value to set

increment

public void increment(long incr)

Description copied from interface: Counter

Increment this counter by the given value

Parameters:

incr - the value to increase this counter by

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Throws:

java.io.IOException

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Throws:

java.io.IOException

getUnderlyingCounter

public Counter getUnderlyingCounter()

Description copied from interface: Counter

Return the underlying object if this is a facade.

Returns:

the undelying object.