Tracer (Lettuce 6.3.3.BUILD-SNAPSHOT API)

java.lang.Object
- io.lettuce.core.tracing.Tracer

```
public abstract class Tracer
extends Object
```
Tracing abstraction to create Tracer.Spans to capture latency and behavior of Redis commands.

Since:

5.1

Author:

Mark Paluch

See Also:

Tracer.Span

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class Tracer.Span
Used to model the latency of an operation along with tags such as name or the Tracing.Endpoint.

Constructor Summary

Constructors
Constructor Description

Tracer()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`abstract Tracer.Span`	`nextSpan()`	Returns a new trace `Tracer.Span`.
`abstract Tracer.Span`	`nextSpan(TraceContext traceContext)`	Returns a new trace `Tracer.Span` associated with `TraceContext` or a new one if `TraceContext` is `null`.

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

- Constructor Detail
  - Tracer
```
public Tracer()
```
- Method Detail
  - nextSpan
```
public abstract Tracer.Span nextSpan()
```
    Returns a new trace Tracer.Span.
    
    Returns:
    
    a new Tracer.Span.
  - nextSpan
```
public abstract Tracer.Span nextSpan(TraceContext traceContext)
```
    Returns a new trace Tracer.Span associated with TraceContext or a new one if TraceContext is null.
    
    Parameters:
    
    traceContext - the trace context.
    
    Returns:
    
    a new Tracer.Span.