TraceContextListener (tracer-core 0.5.0 API)

All Known Implementing Classes:

Log4jMdcProvider, Slf4jMdcProvider
```
public interface TraceContextListener
```
A listener that gets notified when trace contexts are started and closed. Implementations should be very quick.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`contextClosed(TraceContext context)`	Called when a trace context was closed.
`void`	`contextOpened(TraceContext context)`	Called when a trace context was opened.

- Method Detail
  - contextOpened
```
void contextOpened(TraceContext context)
```
    Called when a trace context was opened.
    
    Parameters:
    
    context - the trace context
  - contextClosed
```
void contextClosed(TraceContext context)
```
    Called when a trace context was closed.
    
    Parameters:
    
    context - the trace context