diff options
Diffstat (limited to 'src/main/scala/xyz/driver/pdsuicommon/concurrent/MdcExecutionContext.scala')
-rw-r--r-- | src/main/scala/xyz/driver/pdsuicommon/concurrent/MdcExecutionContext.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/main/scala/xyz/driver/pdsuicommon/concurrent/MdcExecutionContext.scala b/src/main/scala/xyz/driver/pdsuicommon/concurrent/MdcExecutionContext.scala new file mode 100644 index 0000000..3dee8ea --- /dev/null +++ b/src/main/scala/xyz/driver/pdsuicommon/concurrent/MdcExecutionContext.scala @@ -0,0 +1,35 @@ +package xyz.driver.pdsuicommon.concurrent + +import org.slf4j.MDC + +import scala.concurrent.{ExecutionContext, ExecutionContextExecutor} + +object MdcExecutionContext { + def from(orig: ExecutionContext): ExecutionContext = new MdcExecutionContext(orig) +} + +class MdcExecutionContext(orig: ExecutionContext) extends ExecutionContextExecutor { + + def execute(runnable: Runnable): Unit = { + val parentMdcContext = MDC.getCopyOfContextMap + + orig.execute(new Runnable { + def run(): Unit = { + val saveMdcContext = MDC.getCopyOfContextMap + setContextMap(parentMdcContext) + + try { + runnable.run() + } finally { + setContextMap(saveMdcContext) + } + } + }) + } + + private[this] def setContextMap(context: java.util.Map[String, String]): Unit = + Option(context).fold(MDC.clear())(MDC.setContextMap) + + def reportFailure(t: Throwable): Unit = orig.reportFailure(t) + +} |