# How to use Traverse method of gauge Package

Best Gauge code snippet using gauge.Traverse

store.go

Source:store.go

`...232 return nil233 }234 tree.(*storage).RLock()235 defer tree.(*storage).RUnlock()236 traverser := store.treeAscTraverse237 if descending {238 traverser = store.treeDescTraverse239 }240 var res []*loggregator_v2.Envelope241 traverser(tree.(*storage).Root, start.UnixNano(), end.UnixNano(), func(e *loggregator_v2.Envelope) bool {242 e = store.filterByName(e, nameFilter)243 if e == nil {244 return false245 }246 if store.validEnvelopeType(e, envelopeTypes) {247 res = append(res, e)248 }249 // Return true to stop traversing250 return len(res) >= limit251 })252 store.metrics.incEgress.Add(float64(len(res)))253 return res254}255func (store *Store) filterByName(envelope *loggregator_v2.Envelope, nameFilter *regexp.Regexp) *loggregator_v2.Envelope {256 if nameFilter == nil {257 return envelope258 }259 switch envelope.Message.(type) {260 case *loggregator_v2.Envelope_Counter:261 if nameFilter.MatchString(envelope.GetCounter().GetName()) {262 return envelope263 }264 // TODO: refactor?265 case *loggregator_v2.Envelope_Gauge:266 filteredMetrics := make(map[string]*loggregator_v2.GaugeValue)267 envelopeMetrics := envelope.GetGauge().GetMetrics()268 for metricName, gaugeValue := range envelopeMetrics {269 if !nameFilter.MatchString(metricName) {270 continue271 }272 filteredMetrics[metricName] = gaugeValue273 }274 if len(filteredMetrics) > 0 {275 return &loggregator_v2.Envelope{276 Timestamp: envelope.Timestamp,277 SourceId: envelope.SourceId,278 InstanceId: envelope.InstanceId,279 DeprecatedTags: envelope.DeprecatedTags,280 Tags: envelope.Tags,281 Message: &loggregator_v2.Envelope_Gauge{282 Gauge: &loggregator_v2.Gauge{283 Metrics: filteredMetrics,284 },285 },286 }287 }288 case *loggregator_v2.Envelope_Timer:289 if nameFilter.MatchString(envelope.GetTimer().GetName()) {290 return envelope291 }292 }293 return nil294}295func (s *Store) validEnvelopeType(e *loggregator_v2.Envelope, types []logcache_v1.EnvelopeType) bool {296 if types == nil {297 return true298 }299 for _, t := range types {300 if s.checkEnvelopeType(e, t) {301 return true302 }303 }304 return false305}306func (s *Store) treeAscTraverse(307 n *avltree.Node,308 start int64,309 end int64,310 f func(e *loggregator_v2.Envelope) bool,311) bool {312 if n == nil {313 return false314 }315 e := n.Value.(*loggregator_v2.Envelope)316 t := e.GetTimestamp()317 if t >= start {318 if s.treeAscTraverse(n.Children[0], start, end, f) {319 return true320 }321 if (t >= end || f(e)) && !isNodeAFudgeSequenceMember(n, 1) {322 return true323 }324 }325 return s.treeAscTraverse(n.Children[1], start, end, f)326}327func isNodeAFudgeSequenceMember(node *avltree.Node, nextChildIndex int) bool {328 e := node.Value.(*loggregator_v2.Envelope)329 timestamp := e.GetTimestamp()330 // check if node is internal to a fudge sequence331 if timestamp != node.Key.(int64) {332 return true333 }334 // node is not internal, but could initiate a fudge sequence, so335 // check next child336 nextChild := node.Children[nextChildIndex]337 if nextChild == nil {338 return false339 }340 // if next child exists, check it for fudge sequence membership.341 // if the child's timestamps don't match, then the parent is the first342 // member of a fudge sequence.343 nextEnvelope := nextChild.Value.(*loggregator_v2.Envelope)344 return (nextEnvelope.GetTimestamp() != nextChild.Key.(int64))345}346func (s *Store) treeDescTraverse(347 n *avltree.Node,348 start int64,349 end int64,350 f func(e *loggregator_v2.Envelope) bool,351) bool {352 if n == nil {353 return false354 }355 e := n.Value.(*loggregator_v2.Envelope)356 t := e.GetTimestamp()357 if t < end {358 if s.treeDescTraverse(n.Children[1], start, end, f) {359 return true360 }361 if (t < start || f(e)) && !isNodeAFudgeSequenceMember(n, 0) {362 return true363 }364 }365 return s.treeDescTraverse(n.Children[0], start, end, f)366}367func (s *Store) checkEnvelopeType(e *loggregator_v2.Envelope, t logcache_v1.EnvelopeType) bool {368 if t == logcache_v1.EnvelopeType_ANY {369 return true370 }371 switch t {372 case logcache_v1.EnvelopeType_LOG:373 return e.GetLog() != nil374 case logcache_v1.EnvelopeType_COUNTER:375 return e.GetCounter() != nil376 case logcache_v1.EnvelopeType_GAUGE:377 return e.GetGauge() != nil378 case logcache_v1.EnvelopeType_TIMER:379 return e.GetTimer() != nil...`

watermark.go

Source:watermark.go

`1// Copyright The OpenTelemetry Authors2//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 at6//7// http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// 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 and13// limitations under the License.14package googlecloudpubsubexporter // import "github.com/open-telemetry/opentelemetry-collector-contrib/exporter/googlecloudpubsubexporter"15import (16 "time"17 "go.opentelemetry.io/collector/pdata/pcommon"18 "go.opentelemetry.io/collector/pdata/plog"19 "go.opentelemetry.io/collector/pdata/pmetric"20 "go.opentelemetry.io/collector/pdata/ptrace"21)22type metricsWatermarkFunc func(metrics pmetric.Metrics, processingTime time.Time, allowedDrift time.Duration) time.Time23type logsWatermarkFunc func(logs plog.Logs, processingTime time.Time, allowedDrift time.Duration) time.Time24type tracesWatermarkFunc func(traces ptrace.Traces, processingTime time.Time, allowedDrift time.Duration) time.Time25type collectFunc func(timestamp pcommon.Timestamp) bool26// collector helps traverse the OTLP tree to calculate the final time to set to the ce-time attribute27type collector struct {28 // the current system clock time, set at the start of the tree traversal29 processingTime time.Time30 // maximum allowed difference for the processingTime31 allowedDrift time.Duration32 // calculated time, that can be set each time a timestamp is given to a calculation function33 calculatedTime time.Time34}35// add a new timestamp, and set the calculated time if it's earlier then the current calculated,36// taking into account the allowedDrift37func (c *collector) earliest(timestamp pcommon.Timestamp) bool {38 t := timestamp.AsTime()39 if t.Before(c.calculatedTime) {40 min := c.processingTime.Add(-c.allowedDrift)41 if t.Before(min) {42 c.calculatedTime = min43 return true44 }45 c.calculatedTime = t46 }47 return false48}49// function that doesn't traverse the metric data, return the processingTime50func currentMetricsWatermark(_ pmetric.Metrics, processingTime time.Time, _ time.Duration) time.Time {51 return processingTime52}53// function that traverse the metric data, and returns the earliest timestamp (within limits of the allowedDrift)54func earliestMetricsWatermark(metrics pmetric.Metrics, processingTime time.Time, allowedDrift time.Duration) time.Time {55 collector := &collector{56 processingTime: processingTime,57 allowedDrift: allowedDrift,58 calculatedTime: processingTime,59 }60 traverseMetrics(metrics, collector.earliest)61 return collector.calculatedTime62}63// traverse the metric data, with a collectFunc64func traverseMetrics(metrics pmetric.Metrics, collect collectFunc) {65 for rix := 0; rix < metrics.ResourceMetrics().Len(); rix++ {66 r := metrics.ResourceMetrics().At(rix)67 for lix := 0; lix < r.ScopeMetrics().Len(); lix++ {68 l := r.ScopeMetrics().At(lix)69 for dix := 0; dix < l.Metrics().Len(); dix++ {70 d := l.Metrics().At(dix)71 switch d.DataType() {72 case pmetric.MetricDataTypeHistogram:73 for pix := 0; pix < d.Histogram().DataPoints().Len(); pix++ {74 p := d.Histogram().DataPoints().At(pix)75 if collect(p.Timestamp()) {76 return77 }78 }79 case pmetric.MetricDataTypeExponentialHistogram:80 for pix := 0; pix < d.ExponentialHistogram().DataPoints().Len(); pix++ {81 p := d.ExponentialHistogram().DataPoints().At(pix)82 if collect(p.Timestamp()) {83 return84 }85 }86 case pmetric.MetricDataTypeSum:87 for pix := 0; pix < d.Sum().DataPoints().Len(); pix++ {88 p := d.Sum().DataPoints().At(pix)89 if collect(p.Timestamp()) {90 return91 }92 }93 case pmetric.MetricDataTypeGauge:94 for pix := 0; pix < d.Gauge().DataPoints().Len(); pix++ {95 p := d.Gauge().DataPoints().At(pix)96 if collect(p.Timestamp()) {97 return98 }99 }100 case pmetric.MetricDataTypeSummary:101 for pix := 0; pix < d.Summary().DataPoints().Len(); pix++ {102 p := d.Summary().DataPoints().At(pix)103 if collect(p.Timestamp()) {104 return105 }106 }107 }108 }109 }110 }111}112// function that doesn't traverse the log data, return the processingTime113func currentLogsWatermark(_ plog.Logs, processingTime time.Time, _ time.Duration) time.Time {114 return processingTime115}116// function that traverse the log data, and returns the earliest timestamp (within limits of the allowedDrift)117func earliestLogsWatermark(logs plog.Logs, processingTime time.Time, allowedDrift time.Duration) time.Time {118 c := collector{119 processingTime: processingTime,120 allowedDrift: allowedDrift,121 calculatedTime: processingTime,122 }123 traverseLogs(logs, c.earliest)124 return c.calculatedTime125}126// traverse the log data, with a collectFunc127func traverseLogs(logs plog.Logs, collect collectFunc) {128 for rix := 0; rix < logs.ResourceLogs().Len(); rix++ {129 r := logs.ResourceLogs().At(rix)130 for lix := 0; lix < r.ScopeLogs().Len(); lix++ {131 l := r.ScopeLogs().At(lix)132 for dix := 0; dix < l.LogRecords().Len(); dix++ {133 d := l.LogRecords().At(dix)134 if collect(d.Timestamp()) {135 return136 }137 }138 }139 }140}141// function that doesn't traverse the trace data, return the processingTime142func currentTracesWatermark(_ ptrace.Traces, processingTime time.Time, _ time.Duration) time.Time {143 return processingTime144}145// function that traverse the trace data, and returns the earliest timestamp (within limits of the allowedDrift)146func earliestTracesWatermark(traces ptrace.Traces, processingTime time.Time, allowedDrift time.Duration) time.Time {147 c := collector{148 processingTime: processingTime,149 allowedDrift: allowedDrift,150 calculatedTime: processingTime,151 }152 traverseTraces(traces, c.earliest)153 return c.calculatedTime154}155// traverse the trace data, with a collectFunc156func traverseTraces(traces ptrace.Traces, collect collectFunc) {157 for rix := 0; rix < traces.ResourceSpans().Len(); rix++ {158 r := traces.ResourceSpans().At(rix)159 for lix := 0; lix < r.ScopeSpans().Len(); lix++ {160 l := r.ScopeSpans().At(lix)161 for dix := 0; dix < l.Spans().Len(); dix++ {162 d := l.Spans().At(dix)163 if collect(d.StartTimestamp()) {164 return165 }166 }167 }168 }169}...`

Traverse

Using AI Code Generation

`1import (2type Gauge struct {3}4func (g Gauge) Traverse() float64 {5 return math.Sqrt(g.Length*g.Length + g.Width*g.Width + g.Height*g.Height)6}7func main() {8 gauge1 := Gauge{Length: 10, Width: 10, Height: 10}9 fmt.Println("Traverse of gauge1 is", gauge1.Traverse())10}11import (12type Gauge struct {13}14func (g Gauge) Traverse() float64 {15 return math.Sqrt(g.Length*g.Length + g.Width*g.Width + g.Height*g.Height)16}17type Gauge3D struct {18}19func main() {20 gauge1 := Gauge{Length: 10, Width: 10, Height: 10}21 fmt.Println("Traverse of gauge1 is", gauge1.Traverse())22 gauge3d1 := Gauge3D{Gauge: gauge1, Depth: 10}23 fmt.Println("Traverse of gauge3d1 is", gauge3d1.Traverse())24}25import (`

Traverse

Using AI Code Generation

`1import "fmt"2type Gauge struct {3}4func (g *Gauge) Traverse() {5 fmt.Println(g.Name, g.Value)6}7func main() {8 g := Gauge{Name: "gauge", Value: 10}9 g.Traverse()10}11import "fmt"12type Gauge struct {13}14func (g *Gauge) Traverse() {15 fmt.Println(g.Name, g.Value)16}17func main() {18 g := Gauge{Name: "gauge", Value: 10}19 g.Traverse()20}21import "fmt"22type Gauge struct {23}24func (g *Gauge) Traverse() {25 fmt.Println(g.Name, g.Value)26}27func main() {28 g := Gauge{Name: "gauge", Value: 10}29 g.Traverse()30}31import "fmt"32type Gauge struct {33}34func (g *Gauge) Traverse() {35 fmt.Println(g.Name, g.Value)36}37func main() {38 g := Gauge{Name: "gauge", Value: 10}39 g.Traverse()40}41import "fmt"42type Gauge struct {43}44func (g *Gauge) Traverse() {45 fmt.Println(g.Name, g.Value)46}47func main() {48 g := Gauge{Name: "gauge", Value: 10}49 g.Traverse()50}51import "fmt"52type Gauge struct {53}54func (g *Gauge) Traverse() {55 fmt.Println(g.Name, g.Value)56}57func main() {`

Traverse

Using AI Code Generation

`1import (2func main() {3 g := gauge{1, 2, 3, 4, 5}4 g.Traverse()5}6import (7type gauge struct {8}9func (g gauge) Traverse() {10 r := reflect.ValueOf(g)11 for i := 0; i < r.NumField(); i++ {12 fmt.Println(r.Field(i))13 }14}`

Traverse

Using AI Code Generation

`1import (2func main() {3 g.Add(10)4 g.Add(20)5 g.Add(30)6 g.Add(40)7 g.Add(50)8 g.Add(60)9 g.Add(70)10 g.Add(80)11 g.Add(90)12 g.Add(100)13 g.Traverse(func(v int) {14 fmt.Println(v)15 })16}17import (18func main() {19 g.Add(10)20 g.Add(20)21 g.Add(30)22 g.Add(40)23 g.Add(50)24 g.Add(60)25 g.Add(70)26 g.Add(80)27 g.Add(90)28 g.Add(100)29 g.Traverse(func(v int) {30 fmt.Println(v)31 })32}`

Traverse

Using AI Code Generation

`1import (2func main() {3 fmt.Println("Hello, playground")4 g := gauge{0, 100}5 g.traverse(0, 100)6}7import (8type gauge struct {9}10func (g gauge) traverse(min, max int) {11 for i := min; i <= max; i++ {12 fmt.Println(i)13 }14}15import (16type gauge struct {17}18func (g gauge) traverse(min, max int) {19 for i := min; i <= max; i++ {20 fmt.Println(i)21 }22}23func main() {24 fmt.Println("Hello, playground")25 g := gauge{0, 100}26 g.traverse(0, 100)27}28import (29type gauge struct {30}31func (g gauge) traverse(min, max int) {32 for i := min; i <= max; i++ {33 fmt.Println(i)34 }35}36func main() {37 fmt.Println("Hello, playground")38 g := gauge{0, 100}39 g.traverse(0, 100)40}41import (42type gauge struct {43}44func (g gauge) traverse(min, max int) {45 for i := min; i <= max; i++ {46 fmt.Println(i)47 }48}49func main() {50 fmt.Println("Hello, playground")51 g := gauge{0, 100}52 g.traverse(0, 100)53}54import (55type gauge struct {56}57func (g gauge) traverse(min, max int) {58 for i := min; i <= max; i++ {59 fmt.Println(i)60 }61}`

Traverse

Using AI Code Generation

`1import (2func main() {3 g := Gauge{value: 0, min: 0, max: 100}4 g.Traverse(10)5 fmt.Println(g.value)6}7import (8func main() {9 g := Gauge{value: 0, min: 0, max: 100}10 g.Traverse(10)11 fmt.Println(g.value)12}13import (14func main() {15 g := Gauge{value: 0, min: 0, max: 100}16 g.Traverse(10)17 fmt.Println(g.value)18}19import (20func main() {21 g := Gauge{value: 0, min: 0, max: 100}22 g.Traverse(10)23 fmt.Println(g.value)24}25import (26func main() {27 g := Gauge{value: 0, min: 0, max: 100}28 g.Traverse(10)29 fmt.Println(g.value)30}31import (32func main() {33 g := Gauge{value: 0, min: 0, max: 100}34 g.Traverse(10)35 fmt.Println(g.value)36}37import (38func main() {39 g := Gauge{value: 0, min: 0, max: 100}40 g.Traverse(10)41 fmt.Println(g.value)42}43import (44func main() {`

Traverse

Using AI Code Generation

`1import "fmt"2func main() {3 g := new(Gauge)4 g.Traverse()5}6import "fmt"7type Gauge struct {8}9func (g *Gauge) Traverse() {10 fmt.Println(g.value)11}12import "fmt"13type Gauge struct {14}15func (g *Gauge) Traverse() {16 fmt.Println(g.value)17}18import "fmt"19type Gauge struct {20}21func (g *Gauge) Traverse() {22 fmt.Println(g.value)23}24import "fmt"25type Gauge struct {26}27func (g *Gauge) Traverse() {28 fmt.Println(g.value)29}30import "fmt"31type Gauge struct {32}33func (g *Gauge) Traverse() {34 fmt.Println(g.value)35}36import "fmt"37type Gauge struct {38}39func (g *Gauge) Traverse() {40 fmt.Println(g.value)41}42import "fmt"43type Gauge struct {44}45func (g *Gauge) Traverse() {46 fmt.Println(g.value)47}48import "fmt"49type Gauge struct {50}51func (g *Gauge) Traverse() {52 fmt.Println(g.value)53}54import "fmt"55type Gauge struct {56}57func (g *Gauge) Traverse() {58 fmt.Println(g.value)59}60import "fmt"`

Traverse

Using AI Code Generation

`1import (2func main() {3 gauge.Traverse([]string{"1", "2", "3", "4", "5"})4}5import (6func main() {7 gauge.Traverse([]string{"1", "2", "3", "4", "5"})8}9import (10func main() {11 gauge.Traverse([]string{"1", "2", "3", "4", "5"})12}13import (14func main() {15 gauge.Traverse([]string{"1", "2", "3", "4", "5"})16}17import (18func main() {19 gauge.Traverse([]string{"1", "2", "3", "4", "5"})20}21import (22func main() {23 gauge.Traverse([]string{"1", "2", "3", "4", "5"})24}25import (26func main() {27 gauge.Traverse([]string{"1", "2", "3", "4", "5"})28}29import (`

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