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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 kamon.instrumentation
import org.aspectj.lang.annotation._
import org.aspectj.lang.ProceedingJoinPoint
import kamon.trace.{ TraceContextAware, TraceRecorder }
@Aspect
class FutureTracing {
@DeclareMixin("scala.concurrent.impl.CallbackRunnable || scala.concurrent.impl.Future.PromiseCompletingRunnable")
def mixinTraceContextAwareToFutureRelatedRunnable: TraceContextAware = TraceContextAware.default
@Pointcut("execution((scala.concurrent.impl.CallbackRunnable || scala.concurrent.impl.Future.PromiseCompletingRunnable).new(..)) && this(runnable)")
def futureRelatedRunnableCreation(runnable: TraceContextAware): Unit = {}
@After("futureRelatedRunnableCreation(runnable)")
def afterCreation(runnable: TraceContextAware): Unit = {
// Force traceContext initialization.
runnable.traceContext
}
@Pointcut("execution(* (scala.concurrent.impl.CallbackRunnable || scala.concurrent.impl.Future.PromiseCompletingRunnable).run()) && this(runnable)")
def futureRelatedRunnableExecution(runnable: TraceContextAware) = {}
@Around("futureRelatedRunnableExecution(runnable)")
def aroundExecution(pjp: ProceedingJoinPoint, runnable: TraceContextAware): Any = {
TraceRecorder.withTraceContext(runnable.traceContext) {
pjp.proceed()
}
}
}
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