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/*
* =========================================================================================
* 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 kamon.Kamon
import kamon.annotation._
import kamon.metric.instrument
import kamon.metric.instrument.{ MinMaxCounter, Counter }
import org.aspectj.lang.annotation._
import org.aspectj.lang.{ JoinPoint, ProceedingJoinPoint }
import java.util.concurrent.atomic.AtomicReferenceArray
@Aspect
class AnnotationInstrumentation extends BaseAnnotationInstrumentation {
@After("execution((@kamon.annotation.EnableKamon AnnotationInstruments+).new(..)) && this(obj)")
def creation(jps: JoinPoint.StaticPart, obj: AnnotationInstruments): Unit = {
val size = Kamon(Annotation).arraySize
obj.traces = new AtomicReferenceArray[TraceContextInfo](size)
obj.segments = new AtomicReferenceArray[SegmentInfo](size)
obj.counters = new AtomicReferenceArray[Counter](size)
obj.minMaxCounters = new AtomicReferenceArray[MinMaxCounter](size)
obj.histograms = new AtomicReferenceArray[instrument.Histogram](size)
}
@Around("execution(@kamon.annotation.Trace !static * (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)")
def trace(pjp: ProceedingJoinPoint, obj: AnnotationInstruments): AnyRef = {
var traceInfo = obj.traces.get(pjp.getStaticPart.getId)
if (traceInfo == null) traceInfo = registerTrace(pjp.getStaticPart, obj.traces, StringEvaluator(obj), TagsEvaluator(obj))
processTrace(traceInfo, pjp)
}
@Around("execution(@kamon.annotation.Segment !static * (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)")
def segment(pjp: ProceedingJoinPoint, obj: AnnotationInstruments): AnyRef = {
var segmentInfo = obj.segments.get(pjp.getStaticPart.getId)
if (segmentInfo == null) segmentInfo = registerSegment(pjp.getStaticPart, obj.segments, StringEvaluator(obj), TagsEvaluator(obj))
processSegment(segmentInfo, pjp)
}
@Around("execution(@kamon.annotation.Time !static * (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)")
def time(pjp: ProceedingJoinPoint, obj: AnnotationInstruments): AnyRef = {
var histogram = obj.histograms.get(pjp.getStaticPart.getId)
if (histogram == null) histogram = registerTime(pjp.getStaticPart, obj.histograms, StringEvaluator(obj), TagsEvaluator(obj))
processTime(histogram, pjp)
}
@Around("execution(@kamon.annotation.Count !static * (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)")
def count(pjp: ProceedingJoinPoint, obj: AnnotationInstruments): AnyRef = {
var counter = obj.counters.get(pjp.getStaticPart.getId)
if (counter == null) counter = registerCounter(pjp.getStaticPart, obj.counters, StringEvaluator(obj), TagsEvaluator(obj))
processCount(counter, pjp)
}
@Around("execution(@kamon.annotation.MinMaxCount !static * (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)")
def minMax(pjp: ProceedingJoinPoint, obj: AnnotationInstruments): AnyRef = {
var minMax = obj.minMaxCounters.get(pjp.getStaticPart.getId)
if (minMax == null) minMax = registerMinMaxCounter(pjp.getStaticPart, obj.minMaxCounters, StringEvaluator(obj), TagsEvaluator(obj))
processMinMax(minMax, pjp)
}
@AfterReturning(pointcut = "execution(@kamon.annotation.Histogram !static (int || long || double || float) (@kamon.annotation.EnableKamon AnnotationInstruments+).*(..)) && this(obj)", returning = "result")
def histogram(jps: JoinPoint.StaticPart, obj: AnnotationInstruments, result: AnyRef): Unit = {
var histogram = obj.histograms.get(jps.getId)
if (histogram == null) histogram = registerHistogram(jps, obj.histograms, StringEvaluator(obj), TagsEvaluator(obj))
processHistogram(histogram, result, jps)
}
}
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