1 files changed, 101 insertions, 0 deletions
diff --git a/kamon-annotation/src/main/scala/kamon/annotation/instrumentation/StaticAnnotationInstrumentation.scala b/kamon-annotation/src/main/scala/kamon/annotation/instrumentation/StaticAnnotationInstrumentation.scala
new file mode 100644
index 00000000..f5677377
--- /dev/null
+++ b/kamon-annotation/src/main/scala/kamon/annotation/instrumentation/StaticAnnotationInstrumentation.scala
@@ -0,0 +1,101 @@
+/*
+ * =========================================================================================
+ * Copyright © 2013-2015 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.annotation.instrumentation
+
+import java.util.concurrent.atomic.AtomicReferenceArray
+
+import kamon.Kamon
+import kamon.annotation.Annotation
+import kamon.metric.instrument
+import kamon.metric.instrument.{ Counter, MinMaxCounter }
+import org.aspectj.lang.annotation.{ After, AfterReturning, Around, Aspect }
+import org.aspectj.lang.{ JoinPoint, ProceedingJoinPoint }
+
+@Aspect("pertypewithin(kamon.annotation.instrumentation.AnnotationInstruments+ && !kamon.annotation.instrumentation.*)")
+class StaticAnnotationInstrumentation extends BaseAnnotationInstrumentation with AnnotationInstruments {
+
+  println("statics")
+  @After("staticinitialization(*) && !within(kamon.annotation.instrumentation.*)")
+  def creation(jps: JoinPoint.StaticPart): Unit = {
+    val size = Kamon(Annotation).arraySize
+    traces = new AtomicReferenceArray[TraceContextInfo](size)
+    segments = new AtomicReferenceArray[SegmentInfo](size)
+    counters = new AtomicReferenceArray[Counter](size)
+    minMaxCounters = new AtomicReferenceArray[MinMaxCounter](size)
+    histograms = new AtomicReferenceArray[instrument.Histogram](size)
+  }
+
+  @Around("execution(@kamon.annotation.Trace static * (@kamon.annotation.EnableKamon *).*(..))")
+  def trace(pjp: ProceedingJoinPoint): AnyRef = {
+    var traceInfo = traces.get(pjp.getStaticPart.getId)
+    if (traceInfo == null) {
+      val clazz = declaringType(pjp.getSignature)
+      traceInfo = registerTrace(pjp.getStaticPart, traces, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processTrace(traceInfo, pjp)
+  }
+
+  @Around("execution(@kamon.annotation.Segment static * (@kamon.annotation.EnableKamon *).*(..))")
+  def segment(pjp: ProceedingJoinPoint): AnyRef = {
+    var segmentInfo = segments.get(pjp.getStaticPart.getId)
+    if (segmentInfo == null) {
+      val clazz = declaringType(pjp.getSignature)
+      segmentInfo = registerSegment(pjp.getStaticPart, segments, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processSegment(segmentInfo, pjp)
+  }
+
+  @Around("execution(@kamon.annotation.Time static * (@kamon.annotation.EnableKamon *).*(..))")
+  def time(pjp: ProceedingJoinPoint): AnyRef = {
+    var histogram = histograms.get(pjp.getStaticPart.getId)
+    if (histogram == null) {
+      val clazz = declaringType(pjp.getSignature)
+      histogram = registerTime(pjp.getStaticPart, histograms, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processTime(histogram, pjp)
+  }
+
+  @Around("execution(@kamon.annotation.Count static * (@kamon.annotation.EnableKamon *).*(..))")
+  def count(pjp: ProceedingJoinPoint): AnyRef = {
+    var counter = counters.get(pjp.getStaticPart.getId)
+    if (counter == null) {
+      val clazz = declaringType(pjp.getSignature)
+      counter = registerCounter(pjp.getStaticPart, counters, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processCount(counter, pjp)
+  }
+
+  @Around("execution(@kamon.annotation.MinMaxCount static * (@kamon.annotation.EnableKamon *).*(..))")
+  def minMax(pjp: ProceedingJoinPoint): AnyRef = {
+    var minMax = minMaxCounters.get(pjp.getStaticPart.getId)
+    if (minMax == null) {
+      val clazz = declaringType(pjp.getSignature)
+      minMax = registerMinMaxCounter(pjp.getStaticPart, minMaxCounters, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processMinMax(minMax, pjp)
+  }
+
+  @AfterReturning(pointcut = "execution(@kamon.annotation.Histogram static (int || long || double || float) (@kamon.annotation.EnableKamon *).*(..))", returning = "result")
+  def histogram(jps: JoinPoint.StaticPart, result: AnyRef): Unit = {
+    var histogram = histograms.get(jps.getId)
+    if (histogram == null) {
+      val clazz = declaringType(jps.getSignature)
+      histogram = registerHistogram(jps, histograms, StringEvaluator(clazz), TagsEvaluator(clazz))
+    }
+    processHistogram(histogram, result, jps)
+  }
+}