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predicate.go
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/
predicate.go
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package v1
import "github.com/pkg/errors"
type AndPredicate []Condition
type OrPredicate []Condition
type NotPredicate struct {
Condition `json:",inline" yaml:",inline" hcl:",inline"`
}
func (c *AndPredicate) Eval(ref interface{}, data map[string]interface{}, err error) (bool, error) {
for i, condition := range *c {
b, err := condition.Eval(data)
if err != nil || !b {
return b, errors.Wrapf(err, "index %d", i)
}
}
return true, nil
}
func (c *OrPredicate) Eval(ref interface{}, data map[string]interface{}, err error) (bool, error) {
for i, condition := range *c {
b, err := condition.Eval(data)
if err != nil || b {
return b, errors.Wrapf(err, "index %d", i)
}
}
return false, nil
}
func (c *NotPredicate) Eval(ref interface{}, data map[string]interface{}, err error) (bool, error) {
b, err := c.Condition.Eval(data)
if err != nil {
return b, err
}
return !b, nil
}