From fdc0e75fdaa0ec8ff1642d9c717d764b92f5d112 Mon Sep 17 00:00:00 2001
From: Ivan Topolnjak <ivantopo@gmail.com>
Date: Sun, 2 Feb 2014 23:18:54 -0300
Subject: add tags to individual metrics

---
 kamon-core/src/main/scala/kamon/metrics/ActorMetrics.scala | 6 +++---
 kamon-core/src/main/scala/kamon/metrics/Metrics.scala      | 1 +
 kamon-core/src/main/scala/kamon/metrics/TraceMetrics.scala | 6 ++----
 3 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/kamon-core/src/main/scala/kamon/metrics/ActorMetrics.scala b/kamon-core/src/main/scala/kamon/metrics/ActorMetrics.scala
index e588449e..66d3f888 100644
--- a/kamon-core/src/main/scala/kamon/metrics/ActorMetrics.scala
+++ b/kamon-core/src/main/scala/kamon/metrics/ActorMetrics.scala
@@ -23,9 +23,9 @@ object ActorMetrics extends MetricGroupIdentity.Category with MetricGroupFactory
   type GroupRecorder = ActorMetricRecorder
   val entityName = "actor"
 
-  case object ProcessingTime extends MetricIdentity { val name = "ProcessingTime" }
-  case object MailboxSize extends MetricIdentity { val name = "MailboxSize" }
-  case object TimeInMailbox extends MetricIdentity { val name = "TimeInMailbox" }
+  case object ProcessingTime extends MetricIdentity { val name, tag = "ProcessingTime" }
+  case object MailboxSize extends MetricIdentity { val name, tag = "MailboxSize" }
+  case object TimeInMailbox extends MetricIdentity { val name, tag = "TimeInMailbox" }
 
   case class ActorMetricRecorder(processingTime: MetricRecorder, mailboxSize: MetricRecorder, timeInMailbox: MetricRecorder)
       extends MetricGroupRecorder {
diff --git a/kamon-core/src/main/scala/kamon/metrics/Metrics.scala b/kamon-core/src/main/scala/kamon/metrics/Metrics.scala
index a3d7af87..2a9c5c65 100644
--- a/kamon-core/src/main/scala/kamon/metrics/Metrics.scala
+++ b/kamon-core/src/main/scala/kamon/metrics/Metrics.scala
@@ -24,6 +24,7 @@ case class MetricGroupIdentity(name: String, category: MetricGroupIdentity.Categ
 
 trait MetricIdentity {
   def name: String
+  def tag: String
 }
 
 trait MetricGroupRecorder {
diff --git a/kamon-core/src/main/scala/kamon/metrics/TraceMetrics.scala b/kamon-core/src/main/scala/kamon/metrics/TraceMetrics.scala
index 57a79653..66801481 100644
--- a/kamon-core/src/main/scala/kamon/metrics/TraceMetrics.scala
+++ b/kamon-core/src/main/scala/kamon/metrics/TraceMetrics.scala
@@ -24,11 +24,9 @@ object TraceMetrics extends MetricGroupIdentity.Category with MetricGroupFactory
   type GroupRecorder = TraceMetricRecorder
   val entityName = "trace"
 
-  case object ElapsedTime extends MetricIdentity {
-    val name = "ElapsedTime"
-  }
+  case object ElapsedTime extends MetricIdentity { val name, tag = "ElapsedTime" }
 
-  case class HttpClientRequest(name: String) extends MetricIdentity
+  case class HttpClientRequest(name: String, tag: String) extends MetricIdentity
 
   class TraceMetricRecorder(val elapsedTime: HighDynamicRangeRecorder, private val segmentRecorderFactory: () ⇒ HighDynamicRangeRecorder)
       extends MetricGroupRecorder {
-- 
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