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Google.Cloud.Diagnostics.Common - Class NullManagedTracer (5.3.0)

public sealed class NullManagedTracer : IManagedTracer

Reference documentation and code samples for the Google.Cloud.Diagnostics.Common class NullManagedTracer.

A managed tracer that does not trace.

Inheritance

object > NullManagedTracer

Implements

IManagedTracer

Inherited Members

object.GetHashCode()

object.GetType()

object.ToString()

Namespace

Google.Cloud.Diagnostics.Common

Assembly

Google.Cloud.Diagnostics.Common.dll

Fields

Instance

public static readonly NullManagedTracer Instance

Instance of NullManagedTracer

Field Value
Type	Description
`NullManagedTracer`

Methods

AnnotateSpan(Dictionary<string, string>)

public void AnnotateSpan(Dictionary<string, string> labels)

Does nothing.

Parameter
Name	Description
`labels`	`Dictionarystringstring`

GetCurrentSpanId()

public ulong? GetCurrentSpanId()

Always returns null.

Returns
Type	Description
`ulong`

GetCurrentTraceId()

public string GetCurrentTraceId()

Always returns null.

Returns
Type	Description
`string`

RunInSpan(Action, string, StartSpanOptions)

public void RunInSpan(Action action, string name, StartSpanOptions options = null)

Calls action.

Parameters
Name	Description
`action`	`Action`
`name`	`string`
`options`	`StartSpanOptions`

RunInSpanAsync<T>(Func<Task<T>>, string, StartSpanOptions)

public Task<T> RunInSpanAsync<T>(Func<Task<T>> func, string name, StartSpanOptions options = null)

Calls func asynchronously and returns the result.

Parameters
Name	Description
`func`	`FuncTask`
`name`	`string`
`options`	`StartSpanOptions`

Returns
Type	Description
`Task`

Type Parameter
Name	Description
`T`

RunInSpan<T>(Func<T>, string, StartSpanOptions)

public T RunInSpan<T>(Func<T> func, string name, StartSpanOptions options = null)

Calls func and returns the result.

Parameters
Name	Description
`func`	`Func`
`name`	`string`
`options`	`StartSpanOptions`

Returns
Type	Description
`T`

Type Parameter
Name	Description
`T`

SetStackTrace(StackTrace)

public void SetStackTrace(StackTrace stackTrace)

Does nothing.

Parameter
Name	Description
`stackTrace`	`StackTrace`

StartSpan(string, StartSpanOptions)

public ISpan StartSpan(string name, StartSpanOptions options = null)

Does nothing.

Parameters
Name	Description
`name`	`string`
`options`	`StartSpanOptions`

Returns
Type	Description
`ISpan`	Returns an IDisposable that does nothing when disposed.