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/*
* =========================================================================================
* 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.scalaz.instrumentation
import kamon.trace.{ TraceContext, TraceContextAware }
import org.aspectj.lang.ProceedingJoinPoint
import org.aspectj.lang.annotation._
@Aspect
class FutureInstrumentation {
@DeclareMixin("scalaz.concurrent..* && java.util.concurrent.Callable+")
def mixinTraceContextAwareToFutureRelatedCallable: TraceContextAware =
TraceContextAware.default
@Pointcut("execution((scalaz.concurrent..* && java.util.concurrent.Callable+).new(..)) && this(callable)")
def futureRelatedCallableCreation(callable: TraceContextAware): Unit = {}
@After("futureRelatedCallableCreation(callable)")
def afterCreation(callable: TraceContextAware): Unit =
// Force traceContext initialization.
callable.traceContext
@Pointcut("execution(* (scalaz.concurrent..* && java.util.concurrent.Callable+).call()) && this(callable)")
def futureRelatedCallableExecution(callable: TraceContextAware): Unit = {}
@Around("futureRelatedCallableExecution(callable)")
def aroundExecution(pjp: ProceedingJoinPoint, callable: TraceContextAware): Any =
TraceContext.withContext(callable.traceContext) {
pjp.proceed()
}
}
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