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/*
* =========================================================================================
* 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.metric
import java.nio.{ LongBuffer }
import akka.actor.ActorSystem
import com.typesafe.config.Config
trait MetricGroupCategory {
def name: String
}
trait MetricGroupIdentity {
def name: String
def category: MetricGroupCategory
}
trait MetricIdentity {
def name: String
}
trait CollectionContext {
def buffer: LongBuffer
}
object CollectionContext {
def default: CollectionContext = new CollectionContext {
val buffer: LongBuffer = LongBuffer.allocate(10000)
}
}
trait MetricGroupRecorder {
def collect(context: CollectionContext): MetricGroupSnapshot
def cleanup: Unit
}
trait MetricSnapshot {
type SnapshotType
def merge(that: SnapshotType, context: CollectionContext): SnapshotType
}
trait MetricGroupSnapshot {
type GroupSnapshotType
def metrics: Map[MetricIdentity, MetricSnapshot]
def merge(that: GroupSnapshotType, context: CollectionContext): GroupSnapshotType
}
private[kamon] trait MetricRecorder {
type SnapshotType <: MetricSnapshot
def collect(context: CollectionContext): SnapshotType
def cleanup: Unit
}
trait MetricGroupFactory {
type GroupRecorder <: MetricGroupRecorder
def create(config: Config, system: ActorSystem): GroupRecorder
}
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