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package icingadb
import (
"context"
"github.com/icinga/icingadb/pkg/contracts"
)
// EntitiesById is a map of key-contracts.Entity pairs.
type EntitiesById map[string]contracts.Entity
// Keys returns the keys.
func (ebi EntitiesById) Keys() []string {
keys := make([]string, 0, len(ebi))
for k := range ebi {
keys = append(keys, k)
}
return keys
}
// IDs returns the contracts.ID of the entities.
func (ebi EntitiesById) IDs() []interface{} {
ids := make([]interface{}, 0, len(ebi))
for _, v := range ebi {
ids = append(ids, v.(contracts.IDer).ID())
}
return ids
}
// Entities streams the entities on a returned channel.
func (ebi EntitiesById) Entities(ctx context.Context) <-chan contracts.Entity {
entities := make(chan contracts.Entity)
go func() {
defer close(entities)
for _, v := range ebi {
select {
case <-ctx.Done():
return
case entities <- v:
}
}
}()
return entities
}
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