cluster

Documentation

Index

• Constants
• Variables
• type Cluster
  • func New(ctx context.Context, config config.Config, pool conn.Pool, ...) *Cluster
  • func (c *Cluster) Close(ctx context.Context) (err error)
  • func (c *Cluster) Get(ctx context.Context) (cc conn.Conn, err error)
  • func (c *Cluster) Pessimize(ctx context.Context, cc conn.Conn, cause error)
  • func (c *Cluster) Unpessimize(ctx context.Context, cc conn.Conn)

Constants

const (
	MaxGetConnTimeout = 10 * time.Second
)

Variables

var (
	// ErrClusterClosed returned when requested on a closed cluster.
	ErrClusterClosed = xerrors.Wrap(fmt.Errorf("cluster closed"))

	// ErrClusterEmpty returned when no connections left in cluster.
	ErrClusterEmpty = xerrors.Wrap(fmt.Errorf("cluster empty"))
)

Types

type Cluster

type Cluster struct {
	// contains filtered or unexported fields
}

func New

func New(
	ctx context.Context,
	config config.Config,
	pool conn.Pool,
	endpoints []endpoint.Endpoint,
) *Cluster

func (*Cluster) Close

func (c *Cluster) Close(ctx context.Context) (err error)

func (*Cluster) Get

func (c *Cluster) Get(ctx context.Context) (cc conn.Conn, err error)

Get returns next available connection. It returns error on given deadline cancellation or when cluster become closed.

func (*Cluster) Pessimize

func (c *Cluster) Pessimize(ctx context.Context, cc conn.Conn, cause error)

Pessimize connection in underling pool

func (*Cluster) Unpessimize

func (c *Cluster) Unpessimize(ctx context.Context, cc conn.Conn)

Unpessimize connection in underling pool