influxdb/_vendor/raft/context.go

40 lines
918 B
Go

package raft
// Context represents the current state of the server. It is passed into
// a command when the command is being applied since the server methods
// are locked.
type Context interface {
Server() Server
CurrentTerm() uint64
CurrentIndex() uint64
CommitIndex() uint64
}
// context is the concrete implementation of Context.
type context struct {
server Server
currentIndex uint64
currentTerm uint64
commitIndex uint64
}
// Server returns a reference to the server.
func (c *context) Server() Server {
return c.server
}
// CurrentTerm returns current term the server is in.
func (c *context) CurrentTerm() uint64 {
return c.currentTerm
}
// CurrentIndex returns current index the server is at.
func (c *context) CurrentIndex() uint64 {
return c.currentIndex
}
// CommitIndex returns last commit index the server is at.
func (c *context) CommitIndex() uint64 {
return c.commitIndex
}