multiple fixes to the custom metrics collection facilities

1 files changed, 33 insertions, 0 deletions

diff --git a/kamon-newrelic/src/main/scala/kamon/newrelic/CustomMetrics.scala b/kamon-newrelic/src/main/scala/kamon/newrelic/CustomMetrics.scala
new file mode 100644
index 00000000..08e0add3
--- /dev/null
+++ b/kamon-newrelic/src/main/scala/kamon/newrelic/CustomMetrics.scala
@@ -0,0 +1,33 @@
+/*
+ * =========================================================================================
+ * Copyright © 2013 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.newrelic
+
+import akka.actor.Actor
+import kamon.metrics._
+
+trait CustomMetrics {
+  self: Actor ⇒
+
+  def collectCustomMetrics(metrics: Map[MetricGroupIdentity, MetricGroupSnapshot]): Seq[NewRelic.Metric] = {
+    metrics.collect {
+      case (CustomMetric(name), groupSnapshot) ⇒
+        groupSnapshot.metrics collect {
+          case (_, snapshot) ⇒ toNewRelicMetric(Scale.Unit)(s"Custom/$name", None, snapshot)
+        }
+    }.flatten.toSeq
+  }
+}