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@ -1,54 +1,54 @@ |
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package db |
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import ( |
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"fmt" |
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"github.com/syndtr/goleveldb/leveldb" |
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"path" |
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"fmt" |
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"github.com/syndtr/goleveldb/leveldb" |
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"path" |
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) |
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type LevelDB struct { |
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db *leveldb.DB |
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db *leveldb.DB |
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} |
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func NewLevelDB(name string) (*LevelDB, error) { |
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dbPath := path.Join(name) |
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db, err := leveldb.OpenFile(dbPath, nil) |
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if err != nil { |
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return nil, err |
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} |
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database := &LevelDB{db: db} |
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return database, nil |
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dbPath := path.Join(name) |
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db, err := leveldb.OpenFile(dbPath, nil) |
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if err != nil { |
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return nil, err |
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} |
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database := &LevelDB{db: db} |
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return database, nil |
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} |
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func (db *LevelDB) Put(key []byte, value []byte) { |
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err := db.db.Put(key, value, nil) |
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if err != nil { panic(err) } |
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err := db.db.Put(key, value, nil) |
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if err != nil { panic(err) } |
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} |
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func (db *LevelDB) Get(key []byte) ([]byte) { |
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res, err := db.db.Get(key, nil) |
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res, err := db.db.Get(key, nil) |
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if err != nil { panic(err) } |
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return res |
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} |
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func (db *LevelDB) Delete(key []byte) { |
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err := db.db.Delete(key, nil) |
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err := db.db.Delete(key, nil) |
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if err != nil { panic(err) } |
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} |
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func (db *LevelDB) Db() *leveldb.DB { |
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return db.db |
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return db.db |
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} |
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func (db *LevelDB) Close() { |
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db.db.Close() |
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db.db.Close() |
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} |
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func (db *LevelDB) Print() { |
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iter := db.db.NewIterator(nil, nil) |
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for iter.Next() { |
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key := iter.Key() |
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value := iter.Value() |
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fmt.Printf("[%x]:\t[%x]", key, value) |
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} |
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iter := db.db.NewIterator(nil, nil) |
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for iter.Next() { |
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key := iter.Key() |
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value := iter.Value() |
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fmt.Printf("[%x]:\t[%x]", key, value) |
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} |
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} |