diff options
Diffstat (limited to 'kamon-scala/src/main/scala/kamon/scala/instrumentation/FutureInstrumentation.scala')
-rw-r--r-- | kamon-scala/src/main/scala/kamon/scala/instrumentation/FutureInstrumentation.scala | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/kamon-scala/src/main/scala/kamon/scala/instrumentation/FutureInstrumentation.scala b/kamon-scala/src/main/scala/kamon/scala/instrumentation/FutureInstrumentation.scala new file mode 100644 index 00000000..01514869 --- /dev/null +++ b/kamon-scala/src/main/scala/kamon/scala/instrumentation/FutureInstrumentation.scala @@ -0,0 +1,48 @@ +/* + * ========================================================================================= + * Copyright © 2013-2014 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.scala.instrumentation + +import kamon.trace.{ TraceContext, TraceContextAware } +import org.aspectj.lang.ProceedingJoinPoint +import org.aspectj.lang.annotation._ + +@Aspect +class FutureInstrumentation { + + @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 = { + TraceContext.withContext(runnable.traceContext) { + pjp.proceed() + } + } + +} |