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control.go
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control.go
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package engine
import (
"github.com/pkg/errors"
"go.uber.org/zap"
)
// Open opens all StorageEngine's components.
func (e *StorageEngine) Open() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Open(); err != nil {
return errors.Wrapf(err, "could not initialize shard %s", id)
}
}
return nil
}
// Init initializes all StorageEngine's components.
func (e *StorageEngine) Init() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Init(); err != nil {
return errors.Wrapf(err, "could not initialize shard %s", id)
}
}
return nil
}
// Close releases all StorageEngine's components.
func (e *StorageEngine) Close() error {
e.mtx.RLock()
defer e.mtx.RUnlock()
for id, sh := range e.shards {
if err := sh.Close(); err != nil {
e.log.Debug("could not close shard",
zap.String("id", id),
zap.String("error", err.Error()),
)
}
}
return nil
}