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// Copyright 2019 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package database
import (
"database/sql/driver"
"fmt"
)
// FeatureType indicates the type of feature that a vulnerability
// affects.
type FeatureType string
const (
SourcePackage FeatureType = "source"
BinaryPackage FeatureType = "binary"
)
var featureTypes = []FeatureType{
SourcePackage,
BinaryPackage,
}
// Scan implements the database/sql.Scanner interface.
func (t *FeatureType) Scan(value interface{}) error {
val := value.(string)
for _, ft := range featureTypes {
if string(ft) == val {
*t = ft
return nil
}
}
panic(fmt.Sprintf("invalid feature type received from database: '%s'", val))
}
// Value implements the database/sql/driver.Valuer interface.
func (t *FeatureType) Value() (driver.Value, error) {
return string(*t), nil
}
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