org.apache.samza.metrics

Class Counter

java.lang.Object

org.apache.samza.metrics.Counter

All Implemented Interfaces:

Metric

public class Counter
extends java.lang.Object
implements Metric

A counter is a Metric that represents a cumulative value. For example, the number of messages processed since the container was started.

Constructor Summary

Constructors

Constructor and Description
Counter(java.lang.String name)

Method Summary

Methods

Modifier and Type	Method and Description
void	clear()
long	dec()
long	dec(long n)
long	getCount()
java.lang.String	getName()
long	inc()
long	inc(long n)
void	set(long n)
java.lang.String	toString()
void	visit(MetricsVisitor visitor)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Counter

public Counter(java.lang.String name)

Method Detail

inc

public long inc()

inc

public long inc(long n)

dec

public long dec()

dec

public long dec(long n)

set

public void set(long n)

clear

public void clear()

getCount

public long getCount()

getName

public java.lang.String getName()

visit

public void visit(MetricsVisitor visitor)

Specified by:

visit in interface Metric

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object