/
scanstatus.go
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/
scanstatus.go
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/*
Copyright (C) 2018 Synopsys, Inc.
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you 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 model
import "fmt"
// ScanStatus describes the state of an image in perceptor
type ScanStatus int
// .....
const (
ScanStatusUnknown ScanStatus = iota
ScanStatusInQueue ScanStatus = iota
ScanStatusRunningScanClient ScanStatus = iota
ScanStatusRunningHubScan ScanStatus = iota
ScanStatusComplete ScanStatus = iota
)
// String .....
func (status ScanStatus) String() string {
switch status {
case ScanStatusUnknown:
return "ScanStatusUnknown"
case ScanStatusInQueue:
return "ScanStatusInQueue"
case ScanStatusRunningScanClient:
return "ScanStatusRunningScanClient"
case ScanStatusRunningHubScan:
return "ScanStatusRunningHubScan"
case ScanStatusComplete:
return "ScanStatusComplete"
}
panic(fmt.Errorf("invalid ScanStatus value: %d", status))
}
// MarshalJSON .....
func (status ScanStatus) MarshalJSON() ([]byte, error) {
jsonString := fmt.Sprintf(`"%s"`, status.String())
return []byte(jsonString), nil
}
// MarshalText .....
func (status ScanStatus) MarshalText() (text []byte, err error) {
return []byte(status.String()), nil
}
var legalTransitions = map[ScanStatus]map[ScanStatus]bool{
ScanStatusUnknown: {
ScanStatusInQueue: true,
ScanStatusRunningHubScan: true,
ScanStatusComplete: true,
},
ScanStatusInQueue: {
ScanStatusRunningScanClient: true,
ScanStatusRunningHubScan: true,
},
ScanStatusRunningScanClient: {
ScanStatusInQueue: true,
ScanStatusRunningHubScan: true,
},
ScanStatusRunningHubScan: {
ScanStatusInQueue: true,
ScanStatusComplete: true,
},
// we never expect to transition FROM complete
ScanStatusComplete: {},
}
// IsLegalTransition .....
func IsLegalTransition(from ScanStatus, to ScanStatus) bool {
stateMap, ok := legalTransitions[from]
if !ok {
panic(fmt.Errorf("expected to find state transition map for %s but did not", from))
}
return stateMap[to]
}