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30b4205521
* Kindsys: Replace DeclForGen with kindsys.Kind DeclForGen was always unnecessary - it just wasn't obvious on initial implementation, when we were focused on generating unique types for each core kind. This removes it, considerably simplifying interactions with kindsys - virtually everything now just relies on kindsys.Kind and its derived interfaces. * Removed unused jenny * Rename params in jennies
62 lines
1.9 KiB
Cheetah
62 lines
1.9 KiB
Cheetah
package {{ .PackageName }}
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import (
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"fmt"
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"sync"
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{{range .Kinds }}
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"{{ $.KindPackagePrefix }}/{{ .Props.MachineName }}"{{end}}
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"github.com/grafana/grafana/pkg/cuectx"
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"github.com/grafana/grafana/pkg/kindsys"
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"github.com/grafana/thema"
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)
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// Base is a registry of all Grafana core kinds. It is designed for use both inside
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// of Grafana itself, and for import by external Go programs wanting to work with Grafana's
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// kind system.
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//
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// The registry provides two modes for accessing core kinds:
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// * Per-kind methods, which return the kind-specific type, e.g. Dashboard() returns [dashboard.Dashboard].
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// * All(), which returns a slice of [kindsys.Core].
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//
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// Prefer the individual named methods for use cases where the particular kind(s) that
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// are needed are known to the caller. For example, a dashboard linter can know that it
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// specifically wants the dashboard kind.
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//
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// Prefer All() when performing operations generically across all kinds. For example,
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// a generic HTTP middleware for validating request bodies expected to contain some
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// kind-schematized type.
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type Base struct {
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all []kindsys.Core
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{{- range .Kinds }}
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{{ .Props.MachineName }} *{{ .Props.MachineName }}.Kind{{end}}
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}
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// type guards
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var (
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{{- range .Kinds }}
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_ kindsys.Core = &{{ .Props.MachineName }}.Kind{}{{end}}
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)
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{{range .Kinds }}
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// {{ .Props.Name }} returns the [kindsys.Interface] implementation for the {{ .Props.MachineName }} kind.
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func (b *Base) {{ .Props.Name }}() *{{ .Props.MachineName }}.Kind {
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return b.{{ .Props.MachineName }}
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}
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{{end}}
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func doNewBase(rt *thema.Runtime) *Base {
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var err error
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reg := &Base{}
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{{range .Kinds }}
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reg.{{ .Props.MachineName }}, err = {{ .Props.MachineName }}.NewKind(rt)
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if err != nil {
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panic(fmt.Sprintf("error while initializing the {{ .Props.MachineName }} Kind: %s", err))
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}
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reg.all = append(reg.all, reg.{{ .Props.MachineName }})
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{{end}}
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return reg
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}
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