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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* =========================================================================================
* Copyright © 2013-2017 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 org.HdrHistogram
import java.nio.ByteBuffer
import kamon.metric.DynamicRange
trait HdrHistogramOps {
def getCountsArraySize(): Int
def getFromCountsArray(index: Int): Long
def getAndSetFromCountsArray(index: Int, newValue: Long): Long
def protectedUnitMagnitude(): Int
def protectedSubBucketHalfCount(): Int
def protectedSubBucketHalfCountMagnitude(): Int
}
/**
* Exposes package-private members of org.HdrHistogram.AtomicHistogram.
*/
abstract class AtomicHistogramExtension(dr: DynamicRange)
extends AtomicHistogram(dr.lowestDiscernibleValue, dr.highestTrackableValue, dr.significantValueDigits) with HdrHistogramOps {
override def incrementTotalCount(): Unit = {}
override def addToTotalCount(value: Long): Unit = {}
override def getCountsArraySize(): Int = counts.length()
override def getFromCountsArray(index: Int): Long = counts.get(index)
override def getAndSetFromCountsArray(index: Int, newValue: Long): Long = counts.getAndSet(index, newValue)
override def protectedUnitMagnitude(): Int = unitMagnitude
override def protectedSubBucketHalfCount(): Int = subBucketHalfCount
override def protectedSubBucketHalfCountMagnitude(): Int = subBucketHalfCountMagnitude
}
/**
* Exposes package-private members of org.HdrHistogram.AtomicHistogram.
*/
abstract class SimpleHistogramExtension(dr: DynamicRange)
extends Histogram(dr.lowestDiscernibleValue, dr.highestTrackableValue, dr.significantValueDigits) with HdrHistogramOps {
override def incrementTotalCount(): Unit = {}
override def addToTotalCount(value: Long): Unit = {}
override def getCountsArraySize(): Int = counts.length
override def getFromCountsArray(index: Int): Long = getCountAtIndex(index)
override def getAndSetFromCountsArray(index: Int, newValue: Long): Long = {
val v = getCountAtIndex(index)
setCountAtIndex(index, newValue)
v
}
override def protectedUnitMagnitude(): Int = unitMagnitude
override def protectedSubBucketHalfCount(): Int = subBucketHalfCount
override def protectedSubBucketHalfCountMagnitude(): Int = subBucketHalfCountMagnitude
}
/**
* Exposes the package-private members of org.HdrHistogram.ZigZagEncoding.
*/
object ZigZag {
def putLong(buffer: ByteBuffer, value: Long): Unit =
ZigZagEncoding.putLong(buffer, value)
def getLong(buffer: ByteBuffer): Long =
ZigZagEncoding.getLong(buffer)
def putInt(buffer: ByteBuffer, value: Int): Unit =
ZigZagEncoding.putInt(buffer, value)
def getInt(buffer: ByteBuffer): Int =
ZigZagEncoding.getInt(buffer)
}
|
