wvlet.airframe.http.netty.RxNettyBackend.scala Maven / Gradle / Ivy

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Airframe HTTP Netty backend

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/*
 * 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 wvlet.airframe.http.netty

import wvlet.airframe.http.RxHttpBackend
import wvlet.airframe.rx.Rx

import scala.collection.mutable

class RxNettyBackend extends RxHttpBackend {
  private lazy val tls =
    ThreadLocal.withInitial[collection.mutable.Map[String, Any]](() => mutable.Map.empty[String, Any])

  private def storage: collection.mutable.Map[String, Any] = tls.get()

  override def setThreadLocal[A](key: String, value: A): Unit = {
    storage.put(key, value)
  }

  override def getThreadLocal[A](key: String): Option[A] = {
    storage.get(key).asInstanceOf[Option[A]]
  }
}