All Implemented Interfaces:

com.datadog.trace.api.EndpointCheckpointer , com.datadog.trace.bootstrap.instrumentation.api.AgentTracer.TracerAPI
```
public class CoreTracer
 implements AgentTracer.TracerAPI
                    
```
Main entrypoint into the tracer implementation. In addition to implementing com.datadog.trace.api.Tracer and TracerAPI, it coordinates many functions necessary creating, reporting, and propagating traces

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public class`	`CoreTracer.CoreTracerBuilder`
`public class`	`CoreTracer.CoreSpanBuilder`	Spans are built using this builder

Field Summary

Fields
Modifier and Type	Field	Description
`private final int`	`partialFlushMinSpans`
`private final TagInterceptor`	`tagInterceptor`

Method Summary

Modifier and Type	Method	Description
`int`	`getPartialFlushMinSpans()`
`TagInterceptor`	`getTagInterceptor()`
`CoreTracer.ConfigSnapshot`	`captureTraceConfig()`
`void`	`onRootSpanFinished(AgentSpan root, EndpointTracker tracker)`	Callback to be called when a root span is written (together with the trace)
`EndpointTracker`	`onRootSpanStarted(AgentSpan root)`	Callback to be called when a root span is started
`CoreTracer.CoreSpanBuilder`	`buildSpan(String instrumentationName, CharSequence operationName)`
`AgentSpan`	`startSpan(String instrumentationName, CharSequence spanName)`	Create and start a new span.
`AgentSpan`	`startSpan(String instrumentationName, CharSequence spanName, long startTimeMicros)`	Create and start a new span with a given start time.
`AgentSpan`	`startSpan(String instrumentationName, CharSequence spanName, AgentSpan.Context parent)`	Create and start a new span with an explicit parent.
`AgentSpan`	`startSpan(String instrumentationName, CharSequence spanName, AgentSpan.Context parent, long startTimeMicros)`	Create and start a new span with an explicit parent and a given start time.
`AgentScope`	`activateSpan(AgentSpan span)`
`AgentScope`	`activateSpan(AgentSpan span, ScopeSource source)`
`AgentScope`	`activateSpan(AgentSpan span, ScopeSource source, boolean isAsyncPropagating)`
`AgentSpan`	`activeSpan()`
`AgentPropagation`	`propagate()`
`String`	`getTraceId()`
`String`	`getSpanId()`
`String`	`getTraceId(AgentSpan span)`
`String`	`getSpanId(AgentSpan span)`
`void`	`addScopeListener(ScopeListener listener)`	Attach a scope listener to the global scope manager
`void`	`close()`
`void`	`flush()`

Methods inherited from class com.datadog.trace.bootstrap.instrumentation.api.AgentTracer.TracerAPI
activateSpan, addScopeListener, buildSpan, buildSpan, captureTraceConfig, startSpan, startSpan, startSpan, startSpan
Methods inherited from class com.datadog.trace.api.EndpointCheckpointer
onRootSpanFinished, onRootSpanStarted
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - getPartialFlushMinSpans
```
 int getPartialFlushMinSpans()
```
  - getTagInterceptor
```
 TagInterceptor getTagInterceptor()
```
  - captureTraceConfig
```
 CoreTracer.ConfigSnapshot captureTraceConfig()
```
  - onRootSpanFinished
```
 void onRootSpanFinished(AgentSpan root, EndpointTracker tracker)
```
    Callback to be called when a root span is written (together with the trace)
    
    Parameters:
    
    tracker - the endpoint tracker
  - onRootSpanStarted
```
 EndpointTracker onRootSpanStarted(AgentSpan root)
```
    Callback to be called when a root span is started
  - buildSpan
```
 CoreTracer.CoreSpanBuilder buildSpan(String instrumentationName, CharSequence operationName)
```
  - startSpan
```
 AgentSpan startSpan(String instrumentationName, CharSequence spanName)
```
    Create and start a new span.
    
    Parameters:
    
    instrumentationName - The instrumentation creating the span.
    
    spanName - The span operation name.
  - startSpan
```
 AgentSpan startSpan(String instrumentationName, CharSequence spanName, long startTimeMicros)
```
    Create and start a new span with a given start time.
    
    Parameters:
    
    instrumentationName - The instrumentation creating the span.
    
    spanName - The span operation name.
    
    startTimeMicros - The span start time, in microseconds.
  - startSpan
```
 AgentSpan startSpan(String instrumentationName, CharSequence spanName, AgentSpan.Context parent)
```
    Create and start a new span with an explicit parent.
    
    Parameters:
    
    instrumentationName - The instrumentation creating the span.
    
    spanName - The span operation name.
    
    parent - The parent span context.
  - startSpan
```
 AgentSpan startSpan(String instrumentationName, CharSequence spanName, AgentSpan.Context parent, long startTimeMicros)
```
    Create and start a new span with an explicit parent and a given start time.
    
    Parameters:
    
    instrumentationName - The instrumentation creating the span.
    
    spanName - The span operation name.
    
    parent - The parent span context.
    
    startTimeMicros - The span start time, in microseconds.
  - activateSpan
```
 AgentScope activateSpan(AgentSpan span)
```
  - activateSpan
```
 AgentScope activateSpan(AgentSpan span, ScopeSource source)
```
  - activateSpan
```
 AgentScope activateSpan(AgentSpan span, ScopeSource source, boolean isAsyncPropagating)
```
  - activeSpan
```
 AgentSpan activeSpan()
```
  - propagate
```
 AgentPropagation propagate()
```
  - getTraceId
```
 String getTraceId()
```
  - getSpanId
```
 String getSpanId()
```
  - getTraceId
```
 String getTraceId(AgentSpan span)
```
  - getSpanId
```
 String getSpanId(AgentSpan span)
```
  - addScopeListener
```
 void addScopeListener(ScopeListener listener)
```
    Attach a scope listener to the global scope manager
    
    Parameters:
    
    listener - listener to attach
  - close
```
 void close()
```
  - flush
```
 void flush()
```

Class CoreTracer

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class com.datadog.trace.bootstrap.instrumentation.api.AgentTracer.TracerAPI

Methods inherited from class com.datadog.trace.api.EndpointCheckpointer

Methods inherited from class java.lang.Object

Method Detail

getPartialFlushMinSpans

getTagInterceptor

captureTraceConfig

onRootSpanFinished

onRootSpanStarted

buildSpan

startSpan

startSpan

startSpan

startSpan

activateSpan

activateSpan

activateSpan

activeSpan

propagate

getTraceId

getSpanId

getTraceId

getSpanId

addScopeListener

close

flush