blob: 2c4b4319490ed1ecf67263e81c841f39bfe78f47 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* =========================================================================================
* Copyright © 2013-2015 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.instrument
import java.nio.LongBuffer
private[kamon] trait Instrument {
type SnapshotType <: InstrumentSnapshot
def collect(context: CollectionContext): SnapshotType
def cleanup: Unit
}
trait InstrumentSnapshot {
def merge(that: InstrumentSnapshot, context: CollectionContext): InstrumentSnapshot
def scale(from: UnitOfMeasurement, to: UnitOfMeasurement): InstrumentSnapshot
}
trait CollectionContext {
def buffer: LongBuffer
}
object CollectionContext {
def apply(longBufferSize: Int): CollectionContext = new CollectionContext {
val buffer: LongBuffer = LongBuffer.allocate(longBufferSize)
}
}
sealed trait InstrumentType
object InstrumentTypes {
case object Histogram extends InstrumentType
case object MinMaxCounter extends InstrumentType
case object Gauge extends InstrumentType
case object Counter extends InstrumentType
}
|