/
controlmode.go
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/
controlmode.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2018 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
// Package controlmode contains some enums for switching between
// executor process control modes.
package controlmode
import (
"errors"
"fmt"
"strings"
)
type ControlMode int
const(
DIRECT ControlMode = iota
FAIRMQ
BASIC
HOOK
)
func (cm ControlMode) String() string {
switch cm {
case DIRECT:
return "direct"
case FAIRMQ:
return "fairmq"
case BASIC:
return "basic"
case HOOK:
return "hook"
}
return "direct"
}
func (cm *ControlMode) UnmarshalJSON(b []byte) error {
return cm.UnmarshalText(b)
}
func (cm *ControlMode) UnmarshalText(b []byte) error {
str := strings.ToLower(strings.Trim(string(b), `"`))
switch str {
case "direct":
*cm = DIRECT
case "fairmq":
*cm = FAIRMQ
case "basic":
*cm = BASIC
case "hook":
*cm = HOOK
default:
*cm = DIRECT
}
return nil
}
func (cm *ControlMode) MarshalJSON() (text []byte, err error) {
text, err = cm.MarshalText()
return []byte(fmt.Sprintf("\"%s\"", text)), err
}
func (cm *ControlMode) MarshalText() (text []byte, err error) {
if cm == nil {
return []byte{}, errors.New("cannot marshal nil ControlMode")
}
return []byte(cm.String()), nil
}