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feat: add TxPipeline to rueidiscompat
Signed-off-by: Rueian <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package rueidiscompat | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "time" | ||
| "unsafe" | ||
|
|
||
| "github.com/redis/rueidis" | ||
| ) | ||
|
|
||
| var TxFailedErr = errors.New("redis: transaction failed") | ||
|
|
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| var _ Pipeliner = (*TxPipeline)(nil) | ||
|
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| type rePipeline = Pipeline | ||
|
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| func newTxPipeline(real rueidis.Client) *TxPipeline { | ||
| return &TxPipeline{rePipeline: newPipeline(real)} | ||
| } | ||
|
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| type TxPipeline struct { | ||
| *rePipeline | ||
| } | ||
|
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| func (c *TxPipeline) Exec(ctx context.Context) ([]Cmder, error) { | ||
| p := c.comp.client.(*proxy) | ||
| if len(p.cmds) == 0 { | ||
| return nil, nil | ||
| } | ||
|
|
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| rets := c.rets | ||
| cmds := p.cmds | ||
| c.rets = nil | ||
| p.cmds = nil | ||
|
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| cmds = append(cmds, c.comp.client.B().Multi().Build(), c.comp.client.B().Exec().Build()) | ||
| for i := len(cmds) - 2; i >= 1; i-- { | ||
| j := i - 1 | ||
| cmds[j], cmds[i] = cmds[i], cmds[j] | ||
| } | ||
|
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||
| resp := p.DoMulti(ctx, cmds...) | ||
| results, err := resp[len(resp)-1].ToArray() | ||
| if rueidis.IsRedisNil(err) { | ||
| err = TxFailedErr | ||
| } | ||
| for i, r := range results { | ||
| rets[i].from(*(*rueidis.RedisResult)(unsafe.Pointer(&proxyresult{ | ||
| err: resp[i+1].NonRedisError(), | ||
| val: r, | ||
| }))) | ||
| } | ||
| return rets, err | ||
| } | ||
|
|
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| func (c *TxPipeline) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) { | ||
| if err := fn(c); err != nil { | ||
| return nil, err | ||
| } | ||
| return c.Exec(ctx) | ||
| } | ||
|
|
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| func (c *TxPipeline) Pipeline() Pipeliner { | ||
| return c | ||
| } | ||
|
|
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| func (c *TxPipeline) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) { | ||
| return c.Pipelined(ctx, fn) | ||
| } | ||
|
|
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| func (c *TxPipeline) TxPipeline() Pipeliner { | ||
| return c | ||
| } | ||
|
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| var _ rueidis.Client = (*txproxy)(nil) | ||
|
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| type txproxy struct { | ||
| rueidis.CoreClient | ||
| } | ||
|
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| func (p *txproxy) DoCache(_ context.Context, _ rueidis.Cacheable, _ time.Duration) (resp rueidis.RedisResult) { | ||
| panic("not implemented") | ||
| } | ||
|
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| func (p *txproxy) DoMultiCache(_ context.Context, _ ...rueidis.CacheableTTL) (resp []rueidis.RedisResult) { | ||
| panic("not implemented") | ||
| } | ||
|
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||
| func (p *txproxy) DoStream(_ context.Context, _ rueidis.Completed) rueidis.RedisResultStream { | ||
| panic("not implemented") | ||
| } | ||
|
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| func (p *txproxy) DoMultiStream(_ context.Context, _ ...rueidis.Completed) rueidis.MultiRedisResultStream { | ||
| panic("not implemented") | ||
| } | ||
|
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| func (p *txproxy) Dedicated(_ func(rueidis.DedicatedClient) error) (err error) { | ||
| panic("not implemented") | ||
| } | ||
|
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| func (p *txproxy) Dedicate() (client rueidis.DedicatedClient, cancel func()) { | ||
| panic("not implemented") | ||
| } | ||
|
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| func (p *txproxy) Nodes() map[string]rueidis.Client { | ||
| panic("not implemented") | ||
| } | ||
|
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| type Tx interface { | ||
| CoreCmdable | ||
| Watch(ctx context.Context, keys ...string) *StatusCmd | ||
| Unwatch(ctx context.Context, keys ...string) *StatusCmd | ||
| Close(ctx context.Context) error | ||
| } | ||
|
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| func newTx(client rueidis.DedicatedClient, cancel func()) *tx { | ||
| return &tx{CoreCmdable: NewAdapter(&txproxy{CoreClient: client}), cancel: cancel} | ||
| } | ||
|
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| type tx struct { | ||
| CoreCmdable | ||
| cancel func() | ||
| } | ||
|
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| func (t *tx) Watch(ctx context.Context, keys ...string) *StatusCmd { | ||
| ret := &StatusCmd{} | ||
| if len(keys) != 0 { | ||
| client := t.CoreCmdable.(*Compat).client | ||
| ret.from(client.Do(ctx, client.B().Watch().Key(keys...).Build())) | ||
| } | ||
| return ret | ||
| } | ||
|
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| func (t *tx) Unwatch(ctx context.Context, _ ...string) *StatusCmd { | ||
| ret := &StatusCmd{} | ||
| client := t.CoreCmdable.(*Compat).client | ||
| ret.from(client.Do(ctx, client.B().Unwatch().Build())) | ||
| return ret | ||
| } | ||
|
|
||
| func (t *tx) Close(_ context.Context) error { | ||
| t.cancel() | ||
| return nil | ||
| } |
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