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/*
* =========================================================================================
* 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 akka.testkit
import org.aspectj.lang.annotation._
import kamon.trace.{ TraceContextAware, TraceRecorder }
import org.aspectj.lang.ProceedingJoinPoint
import akka.testkit.TestActor.RealMessage
@Aspect
class TestProbeInstrumentation {
@DeclareMixin("akka.testkit.TestActor.RealMessage")
def mixin: TraceContextAware = TraceContextAware.default
@Pointcut("execution(akka.testkit.TestActor.RealMessage.new(..)) && this(ctx)")
def realMessageCreation(ctx: TraceContextAware): Unit = {}
@After("realMessageCreation(ctx)")
def afterRealMessageCreation(ctx: TraceContextAware): Unit = {
// Necessary to force the initialization of ContextAware at the moment of creation.
ctx.traceContext
}
@Pointcut("execution(* akka.testkit.TestProbe.reply(..)) && this(testProbe)")
def testProbeReply(testProbe: TestProbe): Unit = {}
@Around("testProbeReply(testProbe)")
def aroundTestProbeReply(pjp: ProceedingJoinPoint, testProbe: TestProbe): Any = {
val traceContext = testProbe.lastMessage match {
case msg: RealMessage ⇒ msg.asInstanceOf[TraceContextAware].traceContext
case _ ⇒ None
}
TraceRecorder.withTraceContext(traceContext) {
pjp.proceed
}
}
}
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