metric

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Published: Aug 24, 2016 License: Apache-2.0 Imports: 3 Imported by: 0

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Types

type Interval

type Interval struct {
	OldestInclusive model.Time
	NewestInclusive model.Time
}

Interval describes the inclusive interval between two Timestamps.

type LabelMatcher

type LabelMatcher struct {
	Type  MatchType
	Name  model.LabelName
	Value model.LabelValue
	// contains filtered or unexported fields
}

LabelMatcher models the matching of a label.

func NewLabelMatcher

func NewLabelMatcher(matchType MatchType, name model.LabelName, value model.LabelValue) (*LabelMatcher, error)

NewLabelMatcher returns a LabelMatcher object ready to use.

func (*LabelMatcher) Filter

Filter takes a list of label values and returns all label values which match the label matcher.

func (*LabelMatcher) Match

func (m *LabelMatcher) Match(v model.LabelValue) bool

Match returns true if the label matcher matches the supplied label value.

func (*LabelMatcher) String

func (m *LabelMatcher) String() string

type LabelMatchers

type LabelMatchers []*LabelMatcher

LabelMatchers is a slice of LabelMatcher objects.

type MatchType

type MatchType int

MatchType is an enum for label matching types.

const (
	Equal MatchType = iota
	NotEqual
	RegexMatch
	RegexNoMatch
)

Possible MatchTypes.

func (MatchType) String

func (m MatchType) String() string

type Metric

type Metric struct {
	Copied bool
	Metric model.Metric
}

Metric wraps a model.Metric and copies it upon modification if Copied is false.

func (*Metric) Copy

func (m *Metric) Copy() *Metric

Copy the underlying Metric if it is not already a copy.

func (*Metric) Del

func (m *Metric) Del(ln model.LabelName)

Del deletes a given label name from the wrapped Metric and copies the Metric initially, if it is not already a copy.

func (*Metric) Get

func (m *Metric) Get(ln model.LabelName) model.LabelValue

Get the value for the given label name. An empty value is returned if the label does not exist in the metric.

func (*Metric) Gets

func (m *Metric) Gets(ln model.LabelName) (model.LabelValue, bool)

Gets behaves as Get but the returned boolean is false iff the label does not exist.

func (*Metric) Set

func (m *Metric) Set(ln model.LabelName, lv model.LabelValue)

Set sets a label name in the wrapped Metric to a given value and copies the Metric initially, if it is not already a copy.

func (Metric) String

func (m Metric) String() string

String implements fmt.Stringer.

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