package shard import ( "github.com/pkg/errors" ) // Open opens all Shard's components. func (s *Shard) Open() error { components := []interface{ Open() error }{ s.blobStor, s.metaBase, } if s.hasWriteCache() { components = append(components, s.writeCache) } for _, component := range components { if err := component.Open(); err != nil { return errors.Wrapf(err, "could not open %T", component) } } return nil } // Init initializes all Shard's components. func (s *Shard) Init() error { components := []interface{ Init() error }{ s.blobStor, s.metaBase, } if s.hasWriteCache() { components = append(components, s.writeCache) } for _, component := range components { if err := component.Init(); err != nil { return errors.Wrapf(err, "could not initialize %T", component) } } gc := &gc{ gcCfg: s.gcCfg, remover: s.removeGarbage, mEventHandler: map[eventType]*eventHandlers{ eventNewEpoch: { cancelFunc: func() {}, handlers: []eventHandler{ s.collectExpiredObjects, }, }, }, } gc.init() return nil } // Close releases all Shard's components. func (s *Shard) Close() error { components := []interface{ Close() error }{ s.blobStor, s.metaBase, } if s.hasWriteCache() { components = append(components, s.writeCache) } for _, component := range components { if err := component.Close(); err != nil { return errors.Wrapf(err, "could not close %s", component) } } return nil }