github.com/sym3tri/etcd@v0.2.1-0.20140422215517-a563d82f95d6/store/v2/update_command.go (about)

     1  package v2
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/coreos/etcd/log"
     7  	"github.com/coreos/etcd/store"
     8  	"github.com/coreos/etcd/third_party/github.com/goraft/raft"
     9  )
    10  
    11  func init() {
    12  	raft.RegisterCommand(&UpdateCommand{})
    13  }
    14  
    15  // Update command
    16  type UpdateCommand struct {
    17  	Key        string    `json:"key"`
    18  	Value      string    `json:"value"`
    19  	ExpireTime time.Time `json:"expireTime"`
    20  }
    21  
    22  // The name of the update command in the log
    23  func (c *UpdateCommand) CommandName() string {
    24  	return "etcd:update"
    25  }
    26  
    27  // Create node
    28  func (c *UpdateCommand) Apply(context raft.Context) (interface{}, error) {
    29  	s, _ := context.Server().StateMachine().(store.Store)
    30  
    31  	e, err := s.Update(c.Key, c.Value, c.ExpireTime)
    32  
    33  	if err != nil {
    34  		log.Debug(err)
    35  		return nil, err
    36  	}
    37  
    38  	return e, nil
    39  }