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25 lines
740 B
Go
25 lines
740 B
Go
package database
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// DataAccessor defines the common interface by which data gets
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// accessed in a generic c4exd database.
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type DataAccessor interface {
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// Put sets the value for the given key. It overwrites
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// any previous value for that key.
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Put(key *Key, value []byte) error
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// Get gets the value for the given key. It returns
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// ErrNotFound if the given key does not exist.
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Get(key *Key) ([]byte, error)
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// Has returns true if the database does contains the
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// given key.
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Has(key *Key) (bool, error)
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// Delete deletes the value for the given key. Will not
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// return an error if the key doesn't exist.
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Delete(key *Key) error
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// Cursor begins a new cursor over the given bucket.
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Cursor(bucket *Bucket) (Cursor, error)
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}
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