io.opencensus.common

Interface ToLongFunction<T>

public interface ToLongFunction<T>

Represents a function that produces a long-valued result. See MetricRegistry for an example of its use.

Note: This class is based on the java.util.ToLongFunction class added in Java 1.8. We cannot use the Function from Java 1.8 because this library is Java 1.6 compatible.

Since:

0.16

Method Summary

Modifier and Type	Method and Description
long	applyAsLong(T value) Applies this function to the given argument.

Method Detail

applyAsLong

long applyAsLong(T value)

Applies this function to the given argument.

Parameters:

value - the function argument.

Returns:

the function result.