| package pool |
| |
| import "context" |
| |
| type SingleConnPool struct { |
| pool Pooler |
| cn *Conn |
| stickyErr error |
| } |
| |
| var _ Pooler = (*SingleConnPool)(nil) |
| |
| func NewSingleConnPool(pool Pooler, cn *Conn) *SingleConnPool { |
| return &SingleConnPool{ |
| pool: pool, |
| cn: cn, |
| } |
| } |
| |
| func (p *SingleConnPool) NewConn(ctx context.Context) (*Conn, error) { |
| return p.pool.NewConn(ctx) |
| } |
| |
| func (p *SingleConnPool) CloseConn(cn *Conn) error { |
| return p.pool.CloseConn(cn) |
| } |
| |
| func (p *SingleConnPool) Get(ctx context.Context) (*Conn, error) { |
| if p.stickyErr != nil { |
| return nil, p.stickyErr |
| } |
| return p.cn, nil |
| } |
| |
| func (p *SingleConnPool) Put(ctx context.Context, cn *Conn) {} |
| |
| func (p *SingleConnPool) Remove(ctx context.Context, cn *Conn, reason error) { |
| p.cn = nil |
| p.stickyErr = reason |
| } |
| |
| func (p *SingleConnPool) Close() error { |
| p.cn = nil |
| p.stickyErr = ErrClosed |
| return nil |
| } |
| |
| func (p *SingleConnPool) Len() int { |
| return 0 |
| } |
| |
| func (p *SingleConnPool) IdleLen() int { |
| return 0 |
| } |
| |
| func (p *SingleConnPool) Stats() *Stats { |
| return &Stats{} |
| } |