forked from mongodb/mongo-go-driver
/
server_kind.go
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/
server_kind.go
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// Copyright (C) MongoDB, Inc. 2017-present.
//
// 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
package description
// ServerKind represents the type of a single server in a topology.
type ServerKind uint32
// These constants are the possible types of servers.
const (
Standalone ServerKind = 1
RSMember ServerKind = 2
RSPrimary ServerKind = 4 + RSMember
RSSecondary ServerKind = 8 + RSMember
RSArbiter ServerKind = 16 + RSMember
RSGhost ServerKind = 32 + RSMember
Mongos ServerKind = 256
LoadBalancer ServerKind = 512
)
// String returns a stringified version of the kind or "Unknown" if the kind is invalid.
func (kind ServerKind) String() string {
switch kind {
case Standalone:
return "Standalone"
case RSMember:
return "RSOther"
case RSPrimary:
return "RSPrimary"
case RSSecondary:
return "RSSecondary"
case RSArbiter:
return "RSArbiter"
case RSGhost:
return "RSGhost"
case Mongos:
return "Mongos"
case LoadBalancer:
return "LoadBalancer"
}
return "Unknown"
}