barak/cayley
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

Merge pull request #186 from panamafrancis/primarykeys

Browse source 
Implementation of the PrimaryKey type
This commit is contained in:
Barak Michener 2014-12-28 14:05:58 -08:00
commit 9088fe376b
11 changed files with 135 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

11
graph/leveldb/quadstore.go
View file

@ -31,6 +31,7 @@ import (
"github.com/google/cayley/graph"
"github.com/google/cayley/graph/iterator"
"github.com/google/cayley/keys"
"github.com/google/cayley/quad"
)
@ -134,8 +135,8 @@ func (qs *QuadStore) Size() int64 {
return qs.size
}
func (qs *QuadStore) Horizon() int64 {
return qs.horizon
func (qs *QuadStore) Horizon() graph.PrimaryKey {
return keys.NewSequentialKey(qs.horizon)
}
func hashOf(s string) []byte {
@ -189,7 +190,7 @@ func (qs *QuadStore) ApplyDeltas(deltas []graph.Delta) error {
return err
}
batch.Put(keyFor(d), bytes)
err = qs.buildQuadWrite(batch, d.Quad, d.ID, d.Action == graph.Add)
err = qs.buildQuadWrite(batch, d.Quad, d.ID.Int(), d.Action == graph.Add)
if err != nil {
return err
}
@ -204,7 +205,7 @@ func (qs *QuadStore) ApplyDeltas(deltas []graph.Delta) error {
resizeMap[d.Quad.Label] += delta
}
sizeChange += delta
qs.horizon = d.ID
qs.horizon = d.ID.Int()
}
for k, v := range resizeMap {
if v != 0 {
@ -226,7 +227,7 @@ func (qs *QuadStore) ApplyDeltas(deltas []graph.Delta) error {
func keyFor(d graph.Delta) []byte {
key := make([]byte, 0, 19)
key = append(key, 'd')
key = append(key, []byte(fmt.Sprintf("%018x", d.ID))...)
key = append(key, []byte(fmt.Sprintf("%018x", d.ID.Int()))...)
return key
}