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Diffstat (limited to 'kamon-core/src/legacy-main/scala/kamon/trace/TraceContext.scala')
| -rw-r--r-- | kamon-core/src/legacy-main/scala/kamon/trace/TraceContext.scala | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/kamon-core/src/legacy-main/scala/kamon/trace/TraceContext.scala b/kamon-core/src/legacy-main/scala/kamon/trace/TraceContext.scala deleted file mode 100644 index bbf40d8d..00000000 --- a/kamon-core/src/legacy-main/scala/kamon/trace/TraceContext.scala +++ /dev/null @@ -1,202 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2016 the kamon project <http://kamon.io/> - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software distributed under the - * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, - * either express or implied. See the License for the specific language governing permissions - * and limitations under the License. - * ========================================================================================= - */ - -package kamon.trace - -import java.io.ObjectStreamException -import java.util - -import kamon.trace.Status.Closed -import kamon.trace.TraceContextAware.DefaultTraceContextAware -import kamon.util.{Function, RelativeNanoTimestamp, SameThreadExecutionContext, Supplier} - -import scala.concurrent.Future - -trait TraceContext { - def name: String - def token: String - def tags: Map[String, String] - def isEmpty: Boolean - def nonEmpty: Boolean = !isEmpty - def isClosed: Boolean = !(Status.Open == status) - def status: Status - def finish(): Unit - def finishWithError(cause: Throwable): Unit - def rename(newName: String): Unit - def startSegment(segmentName: String, category: String, library: String): Segment - def startSegment(segmentName: String, category: String, library: String, tags: Map[String, String]): Segment - def addMetadata(key: String, value: String): Unit - def addTag(key: String, value: String): Unit - def removeTag(key: String, value: String): Boolean - def startTimestamp: RelativeNanoTimestamp - - def collect[T](f: TraceContext ⇒ T): Option[T] = - if (nonEmpty) - Some(f(this)) - else None - - def collect[T](f: Function[TraceContext, T]): Option[T] = - if (nonEmpty) - Some(f(this)) - else None - - def withNewSegment[T](segmentName: String, category: String, library: String)(code: ⇒ T): T = { - withNewSegment(segmentName, category, library, Map.empty[String, String])(code) - } - - def withNewSegment[T](segmentName: String, category: String, library: String, tags: Map[String, String])(code: ⇒ T): T = { - val segment = startSegment(segmentName, category, library, tags) - try code finally segment.finish() - } - - def withNewAsyncSegment[T](segmentName: String, category: String, library: String)(code: ⇒ Future[T]): Future[T] = { - withNewAsyncSegment(segmentName, category, library, Map.empty[String, String])(code) - } - - def withNewAsyncSegment[T](segmentName: String, category: String, library: String, tags: Map[String, String])(code: ⇒ Future[T]): Future[T] = { - val segment = startSegment(segmentName, category, library, tags) - val result = code - result.onComplete(_ ⇒ segment.finish())(SameThreadExecutionContext) - result - } - - // Java variant. - def withNewSegment[T](segmentName: String, category: String, library: String, code: Supplier[T]): T = - withNewSegment(segmentName, category, library)(code.get) - - def withNewSegment[T](segmentName: String, category: String, library: String, tags: util.Map[String, String], code: Supplier[T]): T = { - import scala.collection.JavaConverters._ - withNewSegment(segmentName, category, library, tags.asScala.toMap)(code.get) - } -} - -trait Segment { - def name: String - def category: String - def library: String - def tags: Map[String, String] - def isEmpty: Boolean - def nonEmpty: Boolean = !isEmpty - def isClosed: Boolean = !(Status.Open == status) - def status: Status - def finish(): Unit - def finishWithError(cause: Throwable): Unit - def rename(newName: String): Unit - def addMetadata(key: String, value: String): Unit - def addTag(key: String, value: String): Unit - def removeTag(key: String, value: String): Boolean -} - -case object EmptyTraceContext extends TraceContext { - def name: String = "empty-trace" - def token: String = "" - def tags: Map[String, String] = Map.empty - def isEmpty: Boolean = true - def status: Status = Closed - def finish(): Unit = {} - def finishWithError(cause: Throwable): Unit = {} - def rename(name: String): Unit = {} - def startSegment(segmentName: String, category: String, library: String): Segment = EmptySegment - def startSegment(segmentName: String, category: String, library: String, tags: Map[String, String]): Segment = EmptySegment - def addMetadata(key: String, value: String): Unit = {} - def startTimestamp = new RelativeNanoTimestamp(0L) - def addTag(key: String, value: String): Unit = {} - def removeTag(key: String, value: String): Boolean = false - - case object EmptySegment extends Segment { - val name: String = "empty-segment" - val category: String = "empty-category" - val library: String = "empty-library" - def tags: Map[String, String] = Map.empty - def isEmpty: Boolean = true - def status: Status = Closed - def finish(): Unit = {} - def finishWithError(cause: Throwable): Unit = {} - def rename(newName: String): Unit = {} - def addMetadata(key: String, value: String): Unit = {} - def addTag(key: String, value: String): Unit = {} - def removeTag(key: String, value: String): Boolean = false - } -} - -object SegmentCategory { - val HttpClient = "http-client" - val Database = "database" -} - -class LOD private[trace] (val level: Int) extends AnyVal -object LOD { - val MetricsOnly = new LOD(1) - val SimpleTrace = new LOD(2) -} - -sealed trait LevelOfDetail -object LevelOfDetail { - case object MetricsOnly extends LevelOfDetail - case object SimpleTrace extends LevelOfDetail - case object FullTrace extends LevelOfDetail -} - -sealed trait Status -object Status { - case object Open extends Status - case object Closed extends Status - case object FinishedWithError extends Status - case object FinishedSuccessfully extends Status -} - -trait TraceContextAware extends Serializable { - def traceContext: TraceContext -} - -object TraceContextAware { - def default: TraceContextAware = new DefaultTraceContextAware - - class DefaultTraceContextAware extends TraceContextAware { - @transient val traceContext = Tracer.currentContext - - // - // Beware of this hack, it might bite us in the future! - // - // When using remoting/cluster all messages carry the TraceContext in the envelope in which they - // are sent but that doesn't apply to System Messages. We are certain that the TraceContext is - // available (if any) when the system messages are read and this will make sure that it is correctly - // captured and propagated. - @throws[ObjectStreamException] - private def readResolve: AnyRef = { - new DefaultTraceContextAware - } - } -} - -trait TimestampedTraceContextAware extends TraceContextAware { - def captureNanoTime: Long -} - -object TimestampedTraceContextAware { - def default: TimestampedTraceContextAware = new DefaultTraceContextAware with TimestampedTraceContextAware { - @transient val captureNanoTime = System.nanoTime() - } -} - -trait SegmentAware { - @volatile @transient var segment: Segment = EmptyTraceContext.EmptySegment -} - -object SegmentAware { - def default: SegmentAware = new DefaultSegmentAware - class DefaultSegmentAware extends DefaultTraceContextAware with SegmentAware {} -}
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