DefaultCounter

java.lang.Object

org.apache.iceberg.metrics.DefaultCounter

All Implemented Interfaces:: Counter

public class DefaultCounter extends Object implements Counter

A default Counter implementation that uses an AtomicLong to count events.

Field Summary

Fields

Modifier and Type

Field

Description

static final Counter

NOOP
Method Summary

Modifier and Type

Method

Description

void

increment()

Increment the counter by 1.

void

increment(long amount)

Increment the counter by the provided amount.

String

toString()

MetricsContext.Unit

unit()

The unit of the counter.

long

value()

Reports the current count.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.iceberg.metrics.Counter
increment, isNoop

Field Details
- NOOP
  
  public static final Counter NOOP
Method Details
- increment
  
  public void increment()
  
  Description copied from interface: Counter
  
  Increment the counter by 1.
  
  Specified by:
  
  increment in interface Counter
- increment
  
  public void increment(long amount)
  
  Description copied from interface: Counter
  
  Increment the counter by the provided amount.
  Implementations may skip the overflow check for better write throughput.
  
  Specified by:
  
  increment in interface Counter
  
  Parameters:
  
  amount - to be incremented.
- value
  
  public long value()
  
  Description copied from interface: Counter
  
  Reports the current count.
  
  Specified by:
  
  value in interface Counter
  
  Returns:
  
  The current count.
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- unit
  
  public MetricsContext.Unit unit()
  
  Description copied from interface: Counter
  
  The unit of the counter.
  
  Specified by:
  
  unit in interface Counter
  
  Returns:
  
  The unit of the counter.