RateLimiter

java.lang.Object
- io.opentelemetry.sdk.internal.RateLimiter

```
public class RateLimiter
extends java.lang.Object
```
This class was taken from Jaeger java client. https://github.com/jaegertracing/jaeger-client-java/blob/master/jaeger-core/src/main/java/io/jaegertracing/internal/samplers/RateLimitingSampler.java
Variables have been renamed for clarity.
This class is internal and is hence not for public use. Its APIs are unstable and can change at any time.

Field Summary

Fields
Modifier and Type	Field	Description
`private Clock`	`clock`
`private double`	`creditsPerNanosecond`
`private java.util.concurrent.atomic.AtomicLong`	`currentBalance`
`private long`	`maxBalance`

Constructor Summary

Constructors
Constructor Description

RateLimiter(double creditsPerSecond, double maxBalance, Clock clock)
Create a new RateLimiter with the provided parameters.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`trySpend(double itemCost)`	Check to see if the provided cost can be spent within the current limits.

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

- Field Detail
  - clock
```
private final Clock clock
```
  - creditsPerNanosecond
```
private final double creditsPerNanosecond
```
  - maxBalance
```
private final long maxBalance
```
  - currentBalance
```
private final java.util.concurrent.atomic.AtomicLong currentBalance
```
- Constructor Detail
  - RateLimiter
```
public RateLimiter(double creditsPerSecond,
                   double maxBalance,
                   Clock clock)
```
    Create a new RateLimiter with the provided parameters.
    
    Parameters:
    
    creditsPerSecond - How many credits to accrue per second.
    
    maxBalance - The maximum balance that the limiter can hold, which corresponds to the rate that is being limited to.
    
    clock - An implementation of the Clock interface.
- Method Detail
  - trySpend
```
public boolean trySpend(double itemCost)
```
    Check to see if the provided cost can be spent within the current limits. Will deduct the cost from the current balance if it can be spent.