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logger taking constructor arg macro, for when you have a context, but…
… you don't want to pass it each time via implicit for every call, just set it once when you instantiate the logger. see lightbend-labs#208
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| package com.typesafe.scalalogging | ||
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| import org.slf4j.Marker | ||
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| /** | ||
| * | ||
| * abstract class common for both Logger and LoggerTakingConstructorArg, | ||
| * if you have a library that is sometimes used in a context - in which case you want to log the context, | ||
| * but other times is used outside of a context in which case you want to log "normally", your base class can have a logger of this abstract type | ||
| */ | ||
| trait ALogger { | ||
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| // Error | ||
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| def error(message: String): Unit = {} | ||
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| def error(message: String, cause: Throwable): Unit = {} | ||
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| def error(message: String, args: Any*): Unit = {} | ||
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| def error(marker: Marker, message: String): Unit = {} | ||
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| def error(marker: Marker, message: String, cause: Throwable): Unit = {} | ||
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| def error(marker: Marker, message: String, args: Any*): Unit = {} | ||
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| // Warn | ||
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| def warn(message: String): Unit = {} | ||
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| def warn(message: String, cause: Throwable): Unit = {} | ||
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| def warn(message: String, args: Any*): Unit = {} | ||
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| def warn(marker: Marker, message: String): Unit = {} | ||
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| def warn(marker: Marker, message: String, cause: Throwable): Unit = {} | ||
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| def warn(marker: Marker, message: String, args: Any*): Unit = {} | ||
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| // Info | ||
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| def info(message: String): Unit = {} | ||
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| def info(message: String, cause: Throwable): Unit = {} | ||
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| def info(message: String, args: Any*): Unit = {} | ||
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| def info(marker: Marker, message: String): Unit = {} | ||
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| def info(marker: Marker, message: String, cause: Throwable): Unit = {} | ||
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| def info(marker: Marker, message: String, args: Any*): Unit = {} | ||
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| // Debug | ||
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| def debug(message: String): Unit = {} | ||
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| def debug(message: String, cause: Throwable): Unit = {} | ||
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| def debug(message: String, args: Any*): Unit = {} | ||
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| def debug(marker: Marker, message: String): Unit = {} | ||
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| def debug(marker: Marker, message: String, cause: Throwable): Unit = {} | ||
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| def debug(marker: Marker, message: String, args: Any*): Unit = {} | ||
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| // Trace | ||
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| def trace(message: String): Unit = {} | ||
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| def trace(message: String, cause: Throwable): Unit = {} | ||
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| def trace(message: String, args: Any*): Unit = {} | ||
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| def trace(marker: Marker, message: String): Unit = {} | ||
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| def trace(marker: Marker, message: String, cause: Throwable): Unit = {} | ||
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| def trace(marker: Marker, message: String, args: Any*): Unit = {} | ||
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| } | ||
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src/main/scala/com/typesafe/scalalogging/LoggerTakingConstructorArg.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package com.typesafe.scalalogging | ||
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| import org.slf4j.{Marker, Logger => Underlying} | ||
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| import scala.language.experimental.macros | ||
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| /** | ||
| * ALogger that takes some data A and uses it according to strategy CanLog[A] during every log operation. | ||
| * Useful for logging things in a context, such as a request id, assuming it's available during construction time. | ||
| * */ | ||
| class LoggerTakingConstructorArg[A] private[scalalogging](val underlying: Underlying, val canLogEv: CanLog[A], val a: A) extends ALogger with Serializable with LogsAdditionalData[A] { | ||
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| // Error | ||
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| override def error(message: String): Unit = macro LoggerTakingConstructorArgMacro.errorMessage[A] | ||
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| override def error(message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.errorMessageCause[A] | ||
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| override def error(message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.errorMessageArgs[A] | ||
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| override def error(marker: Marker, message: String): Unit = macro LoggerTakingConstructorArgMacro.errorMessageMarker[A] | ||
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| override def error(marker: Marker, message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.errorMessageCauseMarker[A] | ||
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| override def error(marker: Marker, message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.errorMessageArgsMarker[A] | ||
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| // Warn | ||
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| override def warn(message: String): Unit = macro LoggerTakingConstructorArgMacro.warnMessage[A] | ||
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| override def warn(message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.warnMessageCause[A] | ||
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| override def warn(message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.warnMessageArgs[A] | ||
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| override def warn(marker: Marker, message: String): Unit = macro LoggerTakingConstructorArgMacro.warnMessageMarker[A] | ||
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| override def warn(marker: Marker, message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.warnMessageCauseMarker[A] | ||
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| override def warn(marker: Marker, message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.warnMessageArgsMarker[A] | ||
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| // Info | ||
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| override def info(message: String): Unit = macro LoggerTakingConstructorArgMacro.infoMessage[A] | ||
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| override def info(message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.infoMessageCause[A] | ||
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| override def info(message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.infoMessageArgs[A] | ||
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| override def info(marker: Marker, message: String): Unit = macro LoggerTakingConstructorArgMacro.infoMessageMarker[A] | ||
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| override def info(marker: Marker, message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.infoMessageCauseMarker[A] | ||
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| override def info(marker: Marker, message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.infoMessageArgsMarker[A] | ||
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| // Debug | ||
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| override def debug(message: String): Unit = macro LoggerTakingConstructorArgMacro.debugMessage[A] | ||
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| override def debug(message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.debugMessageCause[A] | ||
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| override def debug(message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.debugMessageArgs[A] | ||
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| override def debug(marker: Marker, message: String): Unit = macro LoggerTakingConstructorArgMacro.debugMessageMarker[A] | ||
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| override def debug(marker: Marker, message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.debugMessageCauseMarker[A] | ||
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| override def debug(marker: Marker, message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.debugMessageArgsMarker[A] | ||
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| // Trace | ||
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| override def trace(message: String): Unit = macro LoggerTakingConstructorArgMacro.traceMessage[A] | ||
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| override def trace(message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.traceMessageCause[A] | ||
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| override def trace(message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.traceMessageArgs[A] | ||
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| override def trace(marker: Marker, message: String): Unit = macro LoggerTakingConstructorArgMacro.traceMessageMarker[A] | ||
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| override def trace(marker: Marker, message: String, cause: Throwable): Unit = macro LoggerTakingConstructorArgMacro.traceMessageCauseMarker[A] | ||
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| override def trace(marker: Marker, message: String, args: Any*): Unit = macro LoggerTakingConstructorArgMacro.traceMessageArgsMarker[A] | ||
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| } |
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