/*
 * =========================================================================================
 * 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.trace

import akka.actor.{ ExtendedActorSystem, ExtensionIdProvider, ExtensionId }
import akka.actor
import kamon.util.GlobPathFilter
import kamon.Kamon

class TraceExtension(system: ExtendedActorSystem) extends Kamon.Extension {
  val config = system.settings.config.getConfig("kamon.trace")
  val enableAskPatternTracing = config.getBoolean("ask-pattern-tracing")
}

object Trace extends ExtensionId[TraceExtension] with ExtensionIdProvider {
  def lookup(): ExtensionId[_ <: actor.Extension] = Trace
  def createExtension(system: ExtendedActorSystem): TraceExtension = new TraceExtension(system)

  case class MetricGroupFilter(includes: List[GlobPathFilter], excludes: List[GlobPathFilter]) {
    def accept(name: String): Boolean = includes.exists(_.accept(name)) && !excludes.exists(_.accept(name))
  }
}