org.apache.giraph.counters

Class GiraphHadoopCounter

java.lang.Object

org.apache.giraph.counters.GiraphHadoopCounter

public class GiraphHadoopCounter
extends Object

Wrapper around Hadoop Counter to make it easier to use.

Constructor Summary

Constructors

Constructor and Description
GiraphHadoopCounter(org.apache.hadoop.mapreduce.Counter counter) Create wrapping a Hadoop Counter.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object genericRight)
String	getDisplayName() Get counter display name.
org.apache.hadoop.mapreduce.Counter	getHadoopCounter() Get underlying Hadoop Counter we're wrapping.
String	getName() Get counter name.
long	getValue() Get counter value
int	hashCode()
void	increment() Increment counter value by 1.
void	increment(long incr) Increment counter value.
void	readFields(DataInput in) Read from Hadoop input.
void	setValue(long value) Set counter to value.
void	write(DataOutput out) Write to Hadoop output.

Methods inherited from class java.lang.Object

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

Constructor Detail

GiraphHadoopCounter

public GiraphHadoopCounter(org.apache.hadoop.mapreduce.Counter counter)

Create wrapping a Hadoop Counter.

Parameters:

counter - Hadoop Counter to wrap.

Method Detail

getHadoopCounter

public org.apache.hadoop.mapreduce.Counter getHadoopCounter()

Get underlying Hadoop Counter we're wrapping.

Returns:

Hadoop Counter being wrapped.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object genericRight)

Overrides:

equals in class Object

setValue

public void setValue(long value)

Set counter to value. Should be greater than current value.

Parameters:

value - long value to set to.

increment

public void increment()

Increment counter value by 1.

increment

public void increment(long incr)

Increment counter value.

Parameters:

incr - amount to increment by.

getValue

public long getValue()

Get counter value

Returns:

long value of counter

getDisplayName

public String getDisplayName()

Get counter display name.

Returns:

String Hadoop counter display name.

getName

public String getName()

Get counter name.

Returns:

String Hadoop counter name.

write

public void write(DataOutput out)
           throws IOException

Write to Hadoop output.

Parameters:

out - DataOutput to write to.

Throws:

IOException - if something goes wrong.

readFields

public void readFields(DataInput in)
                throws IOException

Read from Hadoop input.

Parameters:

in - DataInput to read from.

Throws:

IOException - if something goes wrong reading.