30 lines
585 B
Go
30 lines
585 B
Go
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package blobovnicza
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import (
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oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
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"go.etcd.io/bbolt"
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)
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// Exists check if object with the specified address is stored in b.
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func (b *Blobovnicza) Exists(addr oid.Address) (bool, error) {
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var (
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exists bool
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addrKey = addressKey(addr)
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)
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err := b.boltDB.View(func(tx *bbolt.Tx) error {
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return tx.ForEach(func(_ []byte, buck *bbolt.Bucket) error {
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exists = buck.Get(addrKey) != nil
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if exists {
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return errInterruptForEach
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}
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return nil
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})
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})
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if err == errInterruptForEach {
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err = nil
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}
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return exists, err
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}
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