Package com.google.api.gax.tracing

Class MetricsTracerFactory

java.lang.Object

com.google.api.gax.tracing.MetricsTracerFactory

All Implemented Interfaces:

ApiTracerFactory

@BetaApi
@InternalApi
public class MetricsTracerFactory
extends Object
implements ApiTracerFactory

A ApiTracerFactory to build instances of MetricsTracer.

This class wraps the MetricsRecorder and pass it to MetricsTracer. It will be used to record metrics in MetricsTracer.

This class is expected to be initialized once during client initialization.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.api.gax.tracing.ApiTracerFactory

ApiTracerFactory.OperationType

Field Summary

Fields

Modifier and Type	Field	Description
protected MetricsRecorder	metricsRecorder

Constructor Summary

Constructors

Constructor	Description
MetricsTracerFactory(MetricsRecorder metricsRecorder)	Creates a MetricsTracerFactory with no additional client level attributes.
MetricsTracerFactory(MetricsRecorder metricsRecorder, Map<String,String> attributes)	Pass in a Map of client level attributes which will be added to every single MetricsTracer created from the ApiTracerFactory.

Method Summary

Modifier and Type	Method	Description
ApiTracer	newTracer(ApiTracer parent, SpanName spanName, ApiTracerFactory.OperationType operationType)	Create a new ApiTracer that will be a child of the current context.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

metricsRecorder

protected MetricsRecorder metricsRecorder

Constructor Details

MetricsTracerFactory

public MetricsTracerFactory(MetricsRecorder metricsRecorder)

Creates a MetricsTracerFactory with no additional client level attributes.

MetricsTracerFactory

public MetricsTracerFactory(MetricsRecorder metricsRecorder,
 Map<String,String> attributes)

Pass in a Map of client level attributes which will be added to every single MetricsTracer created from the ApiTracerFactory.

Method Details

newTracer

public ApiTracer newTracer(ApiTracer parent,
 SpanName spanName,
 ApiTracerFactory.OperationType operationType)

Description copied from interface: ApiTracerFactory

Create a new ApiTracer that will be a child of the current context.

Specified by:

newTracer in interface ApiTracerFactory

Parameters:

parent - the parent of this tracer

spanName - the name of the new span

operationType - the type of operation that the tracer will trace