blob: ad7fcfd3c7c6dd84f10c3ffff45f82eefdcfb013 (
plain)
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
|
package developmentmembership
import (
"github.com/ccoveille/go-safecast"
"github.com/authzed/spicedb/pkg/genutil/mapz"
"github.com/authzed/spicedb/pkg/tuple"
)
// TODO(jschorr): Replace with the generic set over tuple.ObjectAndRelation
// ONRSet is a set of ObjectAndRelation's.
type ONRSet struct {
onrs *mapz.Set[tuple.ObjectAndRelation]
}
// NewONRSet creates a new set.
func NewONRSet(onrs ...tuple.ObjectAndRelation) ONRSet {
created := ONRSet{
onrs: mapz.NewSet[tuple.ObjectAndRelation](),
}
created.Update(onrs)
return created
}
// Length returns the size of the set.
func (ons ONRSet) Length() uint64 {
// This is the length of a set so we should never fall out of bounds.
length, _ := safecast.ToUint64(ons.onrs.Len())
return length
}
// IsEmpty returns whether the set is empty.
func (ons ONRSet) IsEmpty() bool {
return ons.onrs.IsEmpty()
}
// Has returns true if the set contains the given ONR.
func (ons ONRSet) Has(onr tuple.ObjectAndRelation) bool {
return ons.onrs.Has(onr)
}
// Add adds the given ONR to the set. Returns true if the object was not in the set before this
// call and false otherwise.
func (ons ONRSet) Add(onr tuple.ObjectAndRelation) bool {
return ons.onrs.Add(onr)
}
// Update updates the set by adding the given ONRs to it.
func (ons ONRSet) Update(onrs []tuple.ObjectAndRelation) {
for _, onr := range onrs {
ons.Add(onr)
}
}
// UpdateFrom updates the set by adding the ONRs found in the other set to it.
func (ons ONRSet) UpdateFrom(otherSet ONRSet) {
if otherSet.onrs == nil {
return
}
ons.onrs.Merge(otherSet.onrs)
}
// Intersect returns an intersection between this ONR set and the other set provided.
func (ons ONRSet) Intersect(otherSet ONRSet) ONRSet {
return ONRSet{ons.onrs.Intersect(otherSet.onrs)}
}
// Subtract returns a subtraction from this ONR set of the other set provided.
func (ons ONRSet) Subtract(otherSet ONRSet) ONRSet {
return ONRSet{ons.onrs.Subtract(otherSet.onrs)}
}
// Union returns a copy of this ONR set with the other set's elements added in.
func (ons ONRSet) Union(otherSet ONRSet) ONRSet {
return ONRSet{ons.onrs.Union(otherSet.onrs)}
}
// AsSlice returns the ONRs found in the set as a slice.
func (ons ONRSet) AsSlice() []tuple.ObjectAndRelation {
slice := make([]tuple.ObjectAndRelation, 0, ons.Length())
_ = ons.onrs.ForEach(func(onr tuple.ObjectAndRelation) error {
slice = append(slice, onr)
return nil
})
return slice
}
|
