SpanExporter

java.lang.Object
- io.opencensus.trace.export.SpanExporter

Direct Known Subclasses:

SpanExporter.NoopSpanExporter, SpanExporterImpl
```
@ThreadSafe
public abstract class SpanExporter
extends java.lang.Object
```
A service that is used by the library to export SpanData for all the spans that are part of a distributed sampled trace (see TraceOptions.isSampled()).

Since:

0.5

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`static class`	`SpanExporter.Handler`	An abstract class that allows different tracing services to export recorded data for sampled spans in their own format.
`private static class`	`SpanExporter.NoopSpanExporter`

Field Summary

Fields
Modifier and Type Field Description

private static SpanExporter NOOP_SPAN_EXPORTER

Constructor Summary

Constructors
Constructor Description

SpanExporter()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`static SpanExporter`	`getNoopSpanExporter()`	Returns the no-op implementation of the `ExportComponent`.
`abstract void`	`registerHandler(java.lang.String name, SpanExporter.Handler handler)`	Registers a new service handler that is used by the library to export `SpanData` for sampled spans (see `TraceOptions.isSampled()`).
`abstract void`	`unregisterHandler(java.lang.String name)`	Unregisters the service handler with the provided name.

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

- Field Detail
  - NOOP_SPAN_EXPORTER
```
private static final SpanExporter NOOP_SPAN_EXPORTER
```
- Constructor Detail
  - SpanExporter
```
public SpanExporter()
```
- Method Detail
  - getNoopSpanExporter
```
public static SpanExporter getNoopSpanExporter()
```
    Returns the no-op implementation of the ExportComponent.
    
    Returns:
    
    the no-op implementation of the ExportComponent.
    
    Since:
    
    0.5
  - registerHandler
```
public abstract void registerHandler(java.lang.String name,
                                     SpanExporter.Handler handler)
```
    Registers a new service handler that is used by the library to export SpanData for sampled spans (see TraceOptions.isSampled()).
    
    Parameters:
    
    name - the name of the service handler. Must be unique for each service.
    
    handler - the service handler that is called for each ended sampled span.
    
    Since:
    
    0.5
  - unregisterHandler
```
public abstract void unregisterHandler(java.lang.String name)
```
    Unregisters the service handler with the provided name.
    
    Parameters:
    
    name - the name of the service handler that will be unregistered.
    
    Since:
    
    0.5