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In state values, we need to be able to distinguish between zero values (e.g. `false`) and unset values (e.g. `nil`). We can alternatively use protobuf `oneOf` and nested map to ensure consistency of fields that are set together, but the golang representation does not represent that well and introducing a mismatch between representations. Thus, I opted not to use it.
39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package structs
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// StatObject is a collection of statistics either exposed at the top
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// level or via nested StatObjects.
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type StatObject struct {
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// Nested is a mapping of object name to a nested stats object.
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Nested map[string]*StatObject
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// Attributes is a mapping of statistic name to its value.
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Attributes map[string]*StatValue
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}
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// StatValue exposes the values of a particular statistic. The value may be of
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// type float, integer, string or boolean. Numeric types can be exposed as a
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// single value or as a fraction.
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type StatValue struct {
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// FloatNumeratorVal exposes a floating point value. If denominator is set
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// it is assumed to be a fractional value, otherwise it is a scalar.
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FloatNumeratorVal *float64
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FloatDenominatorVal *float64
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// IntNumeratorVal exposes a int value. If denominator is set it is assumed
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// to be a fractional value, otherwise it is a scalar.
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IntNumeratorVal *int64
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IntDenominatorVal *int64
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// StringVal exposes a string value. These are likely annotations.
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StringVal *string
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// BoolVal exposes a boolean statistic.
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BoolVal *bool
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// Unit gives the unit type: °F, %, MHz, MB, etc.
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Unit string
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// Desc provides a human readable description of the statistic.
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Desc string
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}
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