58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
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package pfile
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import (
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"bytes"
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"git.crumpington.com/public/jldb/lib/wal"
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"git.crumpington.com/public/jldb/mdb/change"
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)
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// ----------------------------------------------------------------------------
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type pFileState struct {
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Data map[[2]uint64][]byte
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}
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// ----------------------------------------------------------------------------
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type recBuilder struct {
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changes []change.Change
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rec wal.Record
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}
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func NewRecBuilder(seqNum, timestamp int64) *recBuilder {
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return &recBuilder{
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rec: wal.Record{
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SeqNum: seqNum,
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TimestampMS: timestamp,
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},
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changes: []change.Change{},
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}
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}
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func (b *recBuilder) Store(cID, iID uint64, data string) *recBuilder {
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b.changes = append(b.changes, change.Change{
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CollectionID: cID,
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ItemID: iID,
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Store: true,
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Data: []byte(data),
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})
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return b
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}
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func (b *recBuilder) Delete(cID, iID uint64) *recBuilder {
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b.changes = append(b.changes, change.Change{
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CollectionID: cID,
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ItemID: iID,
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Store: false,
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})
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return b
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}
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func (b *recBuilder) Record() wal.Record {
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buf := &bytes.Buffer{}
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change.Write(b.changes, buf)
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b.rec.DataSize = int64(buf.Len())
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b.rec.Reader = buf
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return b.rec
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}
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