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// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethdb
type tableBatch struct {
batch Batch
prefix string
}
// NewTableBatch returns a Batch object which prefixes all keys with a given string.
func NewTableBatch(db Database, prefix string) Batch {
return &tableBatch{db.NewBatch(), prefix}
}
func (dt *table) NewBatch() Batch {
return &tableBatch{dt.db.NewBatch(), dt.prefix}
}
func (tb *tableBatch) Put(key, value []byte) error {
return tb.batch.Put(append([]byte(tb.prefix), key...), value)
}
func (tb *tableBatch) Delete(key []byte) error {
return tb.batch.Delete(append([]byte(tb.prefix), key...))
}
func (tb *tableBatch) Write() error {
return tb.batch.Write()
}
func (tb *tableBatch) ValueSize() int {
return tb.batch.ValueSize()
}
func (tb *tableBatch) Reset() {
tb.batch.Reset()
}
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