-
Notifications
You must be signed in to change notification settings - Fork 7
/
predicate.go
59 lines (45 loc) · 1.23 KB
/
predicate.go
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
package query
type Operator string
const (
Eq Operator = "="
Gt Operator = ">"
Gte Operator = ">="
Lt Operator = "<"
Lte Operator = "<="
Between Operator = "BETWEEN"
BetweenInclusive Operator = "BETWEEEN_EXCLUSIVE"
)
type Predicate struct {
Property string
Operator Operator
Value []interface{}
}
func NewPredicate(property string, operator Operator, values ...interface{}) Predicate {
return Predicate{
Property: property,
Operator: operator,
Value: values,
}
}
func Equals(property string, value interface{}) Predicate {
return NewPredicate(property, Eq, value)
}
func InRange(property string, min, max interface{}, inclusive bool) Predicate {
operator := Between
if inclusive {
operator = BetweenInclusive
}
return NewPredicate(property, operator, min, max)
}
func LessThan(property string, value interface{}) Predicate {
return NewPredicate(property, Lt, value)
}
func LessThanEquals(property string, value interface{}) Predicate {
return NewPredicate(property, Lte, value)
}
func GreaterThan(property string, value interface{}) Predicate {
return NewPredicate(property, Gt, value)
}
func GreaterThanEquals(property string, value interface{}) Predicate {
return NewPredicate(property, Gte, value)
}