/usr/share/gocode/src/github.com/lunny/nodb/batch.go is in golang-github-lunny-nodb-dev 0.0~git20160621.0.fc1ef06-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | package nodb
import (
"sync"
"github.com/lunny/nodb/store"
)
type batch struct {
l *Nodb
store.WriteBatch
sync.Locker
logs [][]byte
tx *Tx
}
func (b *batch) Commit() error {
b.l.commitLock.Lock()
defer b.l.commitLock.Unlock()
err := b.WriteBatch.Commit()
if b.l.binlog != nil {
if err == nil {
if b.tx == nil {
b.l.binlog.Log(b.logs...)
} else {
b.tx.logs = append(b.tx.logs, b.logs...)
}
}
b.logs = [][]byte{}
}
return err
}
func (b *batch) Lock() {
b.Locker.Lock()
}
func (b *batch) Unlock() {
if b.l.binlog != nil {
b.logs = [][]byte{}
}
b.WriteBatch.Rollback()
b.Locker.Unlock()
}
func (b *batch) Put(key []byte, value []byte) {
if b.l.binlog != nil {
buf := encodeBinLogPut(key, value)
b.logs = append(b.logs, buf)
}
b.WriteBatch.Put(key, value)
}
func (b *batch) Delete(key []byte) {
if b.l.binlog != nil {
buf := encodeBinLogDelete(key)
b.logs = append(b.logs, buf)
}
b.WriteBatch.Delete(key)
}
type dbBatchLocker struct {
l *sync.Mutex
wrLock *sync.RWMutex
}
func (l *dbBatchLocker) Lock() {
l.wrLock.RLock()
l.l.Lock()
}
func (l *dbBatchLocker) Unlock() {
l.l.Unlock()
l.wrLock.RUnlock()
}
type txBatchLocker struct {
}
func (l *txBatchLocker) Lock() {}
func (l *txBatchLocker) Unlock() {}
type multiBatchLocker struct {
}
func (l *multiBatchLocker) Lock() {}
func (l *multiBatchLocker) Unlock() {}
func (l *Nodb) newBatch(wb store.WriteBatch, locker sync.Locker, tx *Tx) *batch {
b := new(batch)
b.l = l
b.WriteBatch = wb
b.tx = tx
b.Locker = locker
b.logs = [][]byte{}
return b
}
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