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https://github.com/nspcc-dev/neo-go.git
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ddd1d92ff1
The idea here is to preserve the history of `dev` branch development and its code when merging with the `master`. Later this code could be moved into the masters code where appropriate.
50 lines
1.2 KiB
Go
50 lines
1.2 KiB
Go
package database
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//Table is an abstract data structure built on top of a db
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type Table struct {
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prefix []byte
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db Database
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}
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//NewTable creates a new table on the given database
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func NewTable(db Database, prefix []byte) *Table {
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return &Table{
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prefix,
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db,
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}
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}
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// Has implements the database interface
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func (t *Table) Has(key []byte) (bool, error) {
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prefixedKey := append(t.prefix, key...)
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return t.db.Has(prefixedKey)
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}
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// Put implements the database interface
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func (t *Table) Put(key []byte, value []byte) error {
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prefixedKey := append(t.prefix, key...)
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return t.db.Put(prefixedKey, value)
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}
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// Get implements the database interface
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func (t *Table) Get(key []byte) ([]byte, error) {
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prefixedKey := append(t.prefix, key...)
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return t.db.Get(prefixedKey)
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}
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// Delete implements the database interface
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func (t *Table) Delete(key []byte) error {
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prefixedKey := append(t.prefix, key...)
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return t.db.Delete(prefixedKey)
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}
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// Close implements the database interface
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func (t *Table) Close() error {
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return nil
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}
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// Prefix implements the database interface
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func (t *Table) Prefix(key []byte) ([][]byte, error) {
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prefixedKey := append(t.prefix, key...)
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return t.db.Prefix(prefixedKey)
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}
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