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serkant.uluderyae5afeff2021-02-23 18:00:23 +03001// Copyright The OpenTelemetry Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package metric
16
17import (
18 "context"
19
20 "go.opentelemetry.io/otel/label"
21)
22
23// Float64Counter is a metric that accumulates float64 values.
24type Float64Counter struct {
25 syncInstrument
26}
27
28// Int64Counter is a metric that accumulates int64 values.
29type Int64Counter struct {
30 syncInstrument
31}
32
33// BoundFloat64Counter is a bound instrument for Float64Counter.
34//
35// It inherits the Unbind function from syncBoundInstrument.
36type BoundFloat64Counter struct {
37 syncBoundInstrument
38}
39
40// BoundInt64Counter is a boundInstrument for Int64Counter.
41//
42// It inherits the Unbind function from syncBoundInstrument.
43type BoundInt64Counter struct {
44 syncBoundInstrument
45}
46
47// Bind creates a bound instrument for this counter. The labels are
48// associated with values recorded via subsequent calls to Record.
49func (c Float64Counter) Bind(labels ...label.KeyValue) (h BoundFloat64Counter) {
50 h.syncBoundInstrument = c.bind(labels)
51 return
52}
53
54// Bind creates a bound instrument for this counter. The labels are
55// associated with values recorded via subsequent calls to Record.
56func (c Int64Counter) Bind(labels ...label.KeyValue) (h BoundInt64Counter) {
57 h.syncBoundInstrument = c.bind(labels)
58 return
59}
60
61// Measurement creates a Measurement object to use with batch
62// recording.
63func (c Float64Counter) Measurement(value float64) Measurement {
64 return c.float64Measurement(value)
65}
66
67// Measurement creates a Measurement object to use with batch
68// recording.
69func (c Int64Counter) Measurement(value int64) Measurement {
70 return c.int64Measurement(value)
71}
72
73// Add adds the value to the counter's sum. The labels should contain
74// the keys and values to be associated with this value.
75func (c Float64Counter) Add(ctx context.Context, value float64, labels ...label.KeyValue) {
76 c.directRecord(ctx, NewFloat64Number(value), labels)
77}
78
79// Add adds the value to the counter's sum. The labels should contain
80// the keys and values to be associated with this value.
81func (c Int64Counter) Add(ctx context.Context, value int64, labels ...label.KeyValue) {
82 c.directRecord(ctx, NewInt64Number(value), labels)
83}
84
85// Add adds the value to the counter's sum using the labels
86// previously bound to this counter via Bind()
87func (b BoundFloat64Counter) Add(ctx context.Context, value float64) {
88 b.directRecord(ctx, NewFloat64Number(value))
89}
90
91// Add adds the value to the counter's sum using the labels
92// previously bound to this counter via Bind()
93func (b BoundInt64Counter) Add(ctx context.Context, value int64) {
94 b.directRecord(ctx, NewInt64Number(value))
95}