Joey Armstrong | e8c091f | 2023-01-17 16:56:26 -0500 | [diff] [blame] | 1 | package pool |
| 2 | |
| 3 | import "context" |
| 4 | |
| 5 | type SingleConnPool struct { |
| 6 | pool Pooler |
| 7 | cn *Conn |
| 8 | stickyErr error |
| 9 | } |
| 10 | |
| 11 | var _ Pooler = (*SingleConnPool)(nil) |
| 12 | |
| 13 | func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool { |
| 14 | return &SingleConnPool{ |
| 15 | pool: pool, |
| 16 | cn: cn, |
| 17 | } |
| 18 | } |
| 19 | |
| 20 | func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) { |
| 21 | return p.pool.NewConn(ctx) |
| 22 | } |
| 23 | |
| 24 | func (p *SingleConnPool) CloseConn(cn *Conn) error { |
| 25 | return p.pool.CloseConn(cn) |
| 26 | } |
| 27 | |
| 28 | func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) { |
| 29 | if p.stickyErr != nil { |
| 30 | return nil, p.stickyErr |
| 31 | } |
| 32 | return p.cn, nil |
| 33 | } |
| 34 | |
| 35 | func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {} |
| 36 | |
| 37 | func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) { |
| 38 | p.cn = nil |
| 39 | p.stickyErr = reason |
| 40 | } |
| 41 | |
| 42 | func (p *SingleConnPool) Close() error { |
| 43 | p.cn = nil |
| 44 | p.stickyErr = ErrClosed |
| 45 | return nil |
| 46 | } |
| 47 | |
| 48 | func (p *SingleConnPool) Len() int { |
| 49 | return 0 |
| 50 | } |
| 51 | |
| 52 | func (p *SingleConnPool) IdleLen() int { |
| 53 | return 0 |
| 54 | } |
| 55 | |
| 56 | func (p *SingleConnPool) Stats() *Stats { |
| 57 | return &Stats{} |
| 58 | } |