com.facebook.buck.counters

Class Counter

java.lang.Object

com.facebook.buck.counters.Counter

Direct Known Subclasses:

IntegerCounter, SamplingCounter, TagSetCounter

public abstract class Counter
extends Object

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Counter(String category, String name, com.google.common.collect.ImmutableMap<String,String> tags)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
abstract Optional<CounterSnapshot>	flush() If the counter has no data, returns an absent value.
String	getCategory()
String	getName()
com.google.common.collect.ImmutableMap<String,String>	getTags()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Counter

protected Counter(String category,
                  String name,
                  com.google.common.collect.ImmutableMap<String,String> tags)

Method Detail

flush

public abstract Optional<CounterSnapshot> flush()

If the counter has no data, returns an absent value.

Otherwise, creates a snapshot of the current internal state of the counter builder, resets the counter, then returns the snapshot.

getCategory

public String getCategory()

getName

public String getName()

getTags

public com.google.common.collect.ImmutableMap<String,String> getTags()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object