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port hasher pool to leveldb

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This commit is contained in:
Barak Michener 2014-08-14 20:18:37 -04:00
parent 737037a894
commit de882b9f93
2 changed files with 44 additions and 41 deletions
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20
graph/leveldb/iterator.go
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@ -43,7 +43,7 @@ type Iterator struct {
func NewIterator(prefix string, d quad.Direction, value graph.Value, qs *TripleStore) *Iterator {
vb := value.(Token)
p := make([]byte, 0, 2+qs.hasherSize)
p := make([]byte, 0, 2+hashSize)
p = append(p, []byte(prefix)...)
p = append(p, []byte(vb[1:])...)
@ -169,9 +169,9 @@ func PositionOf(prefix []byte, d quad.Direction, qs *TripleStore) int {
case quad.Subject:
return 2
case quad.Predicate:
return qs.hasherSize + 2
return hashSize + 2
case quad.Object:
return 2*qs.hasherSize + 2
return 2*hashSize + 2
case quad.Label:
return -1
}
@ -179,11 +179,11 @@ func PositionOf(prefix []byte, d quad.Direction, qs *TripleStore) int {
if bytes.Equal(prefix, []byte("po")) {
switch d {
case quad.Subject:
return 2*qs.hasherSize + 2
return 2*hashSize + 2
case quad.Predicate:
return 2
case quad.Object:
return qs.hasherSize + 2
return hashSize + 2
case quad.Label:
return -1
}
@ -191,9 +191,9 @@ func PositionOf(prefix []byte, d quad.Direction, qs *TripleStore) int {
if bytes.Equal(prefix, []byte("os")) {
switch d {
case quad.Subject:
return qs.hasherSize + 2
return hashSize + 2
case quad.Predicate:
return 2*qs.hasherSize + 2
return 2*hashSize + 2
case quad.Object:
return 2
case quad.Label:
@ -203,11 +203,11 @@ func PositionOf(prefix []byte, d quad.Direction, qs *TripleStore) int {
if bytes.Equal(prefix, []byte("cp")) {
switch d {
case quad.Subject:
return 2*qs.hasherSize + 2
return 2*hashSize + 2
case quad.Predicate:
return qs.hasherSize + 2
return hashSize + 2
case quad.Object:
return 3*qs.hasherSize + 2
return 3*hashSize + 2
case quad.Label:
return 2
}