TestClock (OpenTelemetry SDK Testing utilities)

java.lang.Object
- io.opentelemetry.sdk.testing.time.TestClock

All Implemented Interfaces:

io.opentelemetry.sdk.common.Clock
```
@ThreadSafe
public final class TestClock
extends Object
implements io.opentelemetry.sdk.common.Clock
```
A mutable Clock that allows the time to be set for testing.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`advance(long duration, TimeUnit unit)`	Advances the time and mutates this instance.
`void`	`advance(Duration duration)`	Advances the time and mutates this instance.
`static TestClock`	`create()`	Creates a clock initialized to a constant non-zero time.
`static TestClock`	`create(Instant instant)`	Creates a clock with the given time.
`long`	`nanoTime()`
`long`	`now()`
`void`	`setTime(Instant instant)`	Sets the current time.

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

- Method Detail
  - create
```
public static TestClock create()
```
    Creates a clock initialized to a constant non-zero time.
    
    Returns:
    
    a clock initialized to a constant non-zero time.
  - create
```
public static TestClock create(Instant instant)
```
    Creates a clock with the given time.
  - setTime
```
public void setTime(Instant instant)
```
    Sets the current time.
  - advance
```
public void advance(Duration duration)
```
    Advances the time and mutates this instance.
  - advance
```
public void advance(long duration,
                    TimeUnit unit)
```
    Advances the time and mutates this instance.
  - now
```
public long now()
```
    Specified by:
    
    now in interface io.opentelemetry.sdk.common.Clock
  - nanoTime
```
public long nanoTime()
```
    Specified by:
    
    nanoTime in interface io.opentelemetry.sdk.common.Clock