mirror of https://github.com/ledisdb/ledisdb.git
87 lines
2.0 KiB
Go
87 lines
2.0 KiB
Go
package store
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import (
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"github.com/siddontang/ledisdb/store/driver"
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)
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type Tx struct {
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tx driver.Tx
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st *Stat
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}
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func (tx *Tx) NewIterator() *Iterator {
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it := new(Iterator)
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it.it = tx.tx.NewIterator()
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it.st = tx.st
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tx.st.IterNum.Add(1)
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return it
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}
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func (tx *Tx) NewWriteBatch() *WriteBatch {
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tx.st.BatchNum.Add(1)
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wb := new(WriteBatch)
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wb.wb = tx.tx.NewWriteBatch()
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wb.st = tx.st
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return wb
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}
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func (tx *Tx) RangeIterator(min []byte, max []byte, rangeType uint8) *RangeLimitIterator {
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return NewRangeLimitIterator(tx.NewIterator(), &Range{min, max, rangeType}, &Limit{0, -1})
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}
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func (tx *Tx) RevRangeIterator(min []byte, max []byte, rangeType uint8) *RangeLimitIterator {
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return NewRevRangeLimitIterator(tx.NewIterator(), &Range{min, max, rangeType}, &Limit{0, -1})
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}
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//count < 0, unlimit.
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//
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//offset must >= 0, if < 0, will get nothing.
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func (tx *Tx) RangeLimitIterator(min []byte, max []byte, rangeType uint8, offset int, count int) *RangeLimitIterator {
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return NewRangeLimitIterator(tx.NewIterator(), &Range{min, max, rangeType}, &Limit{offset, count})
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}
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//count < 0, unlimit.
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//
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//offset must >= 0, if < 0, will get nothing.
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func (tx *Tx) RevRangeLimitIterator(min []byte, max []byte, rangeType uint8, offset int, count int) *RangeLimitIterator {
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return NewRevRangeLimitIterator(tx.NewIterator(), &Range{min, max, rangeType}, &Limit{offset, count})
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}
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func (tx *Tx) Get(key []byte) ([]byte, error) {
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v, err := tx.tx.Get(key)
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tx.st.statGet(v, err)
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return v, err
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}
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func (tx *Tx) GetSlice(key []byte) (Slice, error) {
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if v, err := tx.Get(key); err != nil {
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return nil, err
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} else if v == nil {
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return nil, nil
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} else {
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return driver.GoSlice(v), nil
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}
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}
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func (tx *Tx) Put(key []byte, value []byte) error {
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tx.st.PutNum.Add(1)
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return tx.tx.Put(key, value)
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}
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func (tx *Tx) Delete(key []byte) error {
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tx.st.DeleteNum.Add(1)
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return tx.tx.Delete(key)
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}
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func (tx *Tx) Commit() error {
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tx.st.TxCommitNum.Add(1)
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return tx.tx.Commit()
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}
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func (tx *Tx) Rollback() error {
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return tx.tx.Rollback()
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}
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