Empty

object Empty extends Delayed

A immutable, no-op Span that can be used to signal that there is no Span information. An empty Span completely ignores all writes made to it.

class Delayed
class Span
trait Operation
class Object
trait Matchable
class Any
Empty.type

Value members

Concrete methods

Disables tracking of the span.elapsed-time and span.wait-time metrics for this Span.

Disables tracking of the span.elapsed-time and span.wait-time metrics for this Span.

Definition Classes
override def doNotTrackMetrics(): Span

Disables tracking of metrics for this Span.

Disables tracking of metrics for this Span.

Definition Classes
override def fail(errorMessage: String): Span

Marks the operation represented by this Span as failed and adds the provided message as a Span tag using the "error.message" key.

Marks the operation represented by this Span as failed and adds the provided message as a Span tag using the "error.message" key.

Definition Classes
override def fail(cause: Throwable): Span

Marks the operation represented by this Span as failed and optionally adds the "error.stacktrace" Span tag with the stack trace from the provided throwable. See the "kamon.trace.include-error-stacktrace" setting for more information.

Marks the operation represented by this Span as failed and optionally adds the "error.stacktrace" Span tag with the stack trace from the provided throwable. See the "kamon.trace.include-error-stacktrace" setting for more information.

Definition Classes
override def fail(errorMessage: String, cause: Throwable): Span

Marks the operation represented by this Span as failed and adds the provided message as a Span tag using the "error.message" key and optionally adds the "error.stacktrace" Span tag with the stack trace from the provided throwable. See the "kamon.trace.include-error-stacktrace" setting for more information.

Marks the operation represented by this Span as failed and adds the provided message as a Span tag using the "error.message" key and optionally adds the "error.stacktrace" Span tag with the stack trace from the provided throwable. See the "kamon.trace.include-error-stacktrace" setting for more information.

Definition Classes
override def finish(): Unit

Finishes this Span. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Finishes this Span. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Definition Classes
override def finish(at: Instant): Unit

Finishes this Span using the provided finish instant. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Finishes this Span using the provided finish instant. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Definition Classes
override def finishAfter(duration: Duration): Unit

Finishes this Span using the provided duration. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Finishes this Span using the provided duration. Even though it is possible to call any of the methods that modify/write information on the Span, once it is finished no further changes are taken into account.

Definition Classes
override def id: Identifier

Uniquely identifies this Span within the Trace.

Uniquely identifies this Span within the Trace.

Definition Classes
override def isEmpty: Boolean

Returns true if this Span is a placeholder because no Span information is available.

Returns true if this Span is a placeholder because no Span information is available.

Definition Classes
override def isRemote: Boolean

Returns true if this Span was initially created in another process and then transferred to this process.

Returns true if this Span was initially created in another process and then transferred to this process.

Definition Classes
override def kind: Kind

Returns the kind of operation represented by this Span.

Returns the kind of operation represented by this Span.

Definition Classes
override def mark(key: String): Span

Adds a new mark with the provided key using the current instant from Kamon's clock.

Adds a new mark with the provided key using the current instant from Kamon's clock.

Definition Classes
override def mark(key: String, at: Instant): Span

Adds a new mark with the provided key and instant.

Adds a new mark with the provided key and instant.

Definition Classes
override def name(name: String): Span

Changes the operation name on this Span. Even though it is possible (and sometimes necessary) to change the operation name in a Span, take into account that the operation name might be captured by child Spans when parent operation scoping is enabled and any updates done after the child spans read the operation name will not be reflected on the "parentOperation" tag.

Changes the operation name on this Span. Even though it is possible (and sometimes necessary) to change the operation name in a Span, take into account that the operation name might be captured by child Spans when parent operation scoping is enabled and any updates done after the child spans read the operation name will not be reflected on the "parentOperation" tag.

Definition Classes
override def operationName(): String

Returns the current operation name for this Span.

Returns the current operation name for this Span.

Definition Classes
override def parentId: Identifier

Identifier for the parent of this this Span, if any. If a Span has no parent (e.g. it is the first Span in the trace) then an empty identifier is returned.

Identifier for the parent of this this Span, if any. If a Span has no parent (e.g. it is the first Span in the trace) then an empty identifier is returned.

Definition Classes
override def position(): Position

Returns the position of this Span in the trace to which it belongs.

Returns the position of this Span in the trace to which it belongs.

Definition Classes
override def start(): Delayed

Signals that the operation represented by this Span started processing.

Signals that the operation represented by this Span started processing.

Definition Classes
override def start(at: Instant): Delayed

Signals that the operation represented by this Span started processing at the provided instant.

Signals that the operation represented by this Span started processing at the provided instant.

Definition Classes
override def tag(key: String, value: String): Span

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tag(key: String, value: Long): Span

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tag(key: String, value: Boolean): Span

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tag(tagSet: TagSet): Span

Adds all key/value pairs in the provided tags to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Adds all key/value pairs in the provided tags to the Span tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tagMetrics(key: String, value: String): Span

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tagMetrics(key: String, value: Long): Span

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tagMetrics(key: String, value: Boolean): Span

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Adds the provided key/value pair to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def tagMetrics(tagSet: TagSet): Span

Adds all key/value pairs in the provided tags to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Adds all key/value pairs in the provided tags to the Span metric tags. If a tag with the provided key was already present then its value will be overwritten.

Definition Classes
override def takeSamplingDecision(): Span

Makes the Span decide for a Sample or DoNotSample decision for the Trace it belongs to, in case the current that the current Sampling Decision is Unknown. If the Sampling Decision is already taken, calling this method will have no effect on the Span.

Makes the Span decide for a Sample or DoNotSample decision for the Trace it belongs to, in case the current that the current Sampling Decision is Unknown. If the Sampling Decision is already taken, calling this method will have no effect on the Span.

Definition Classes
override def toString(): String

Returns a string representation of the object.

Returns a string representation of the object.

The default representation is platform dependent.

Returns:

a string representation of the object.

Definition Classes
Any
override def trace: Trace

Trace to which this Span belongs.

Trace to which this Span belongs.

Definition Classes

Enables tracking of the span.elapsed-time and span.wait-time metrics for this Span. Note that these metrics will not be recorded if metrics tracking has been disabled on the Span.

Enables tracking of the span.elapsed-time and span.wait-time metrics for this Span. Note that these metrics will not be recorded if metrics tracking has been disabled on the Span.

Definition Classes
override def trackMetrics(): Span

Enables tracking of metrics for this Span. For a plain Span, this means that the span.processing-time metric will be tracked and for a Delayed Span, the span.elapsed-time and span.wait-time metrics will be tracked as well.

Enables tracking of metrics for this Span. For a plain Span, this means that the span.processing-time metric will be tracked and for a Delayed Span, the span.elapsed-time and span.wait-time metrics will be tracked as well.

Definition Classes