升级流程引擎配置文件版本

2022-10-19 21:32:34 +08:00
parent 80db372857
commit 735c088a0a
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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"
+}