/
proxy_default.go
158 lines (133 loc) · 3.78 KB
/
proxy_default.go
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package mono
import (
"context"
"time"
"github.com/jjeffcaii/reactor-go"
"github.com/jjeffcaii/reactor-go/mono"
"github.com/jjeffcaii/reactor-go/scheduler"
"github.com/rsocket/rsocket-go/internal/common"
"github.com/rsocket/rsocket-go/payload"
"github.com/rsocket/rsocket-go/rx"
)
type proxy struct {
mono.Mono
}
func newProxy(source mono.Mono) proxy {
return proxy{source}
}
func noopRelease() {
}
func (p proxy) Raw() mono.Mono {
return p.Mono
}
func (p proxy) ToChan(ctx context.Context) (<-chan payload.Payload, <-chan error) {
return toChan(ctx, p.Mono)
}
func (p proxy) SubscribeOn(sc scheduler.Scheduler) Mono {
return newProxy(p.Mono.SubscribeOn(sc))
}
func (p proxy) SubscribeWithChan(ctx context.Context, valueChan chan<- payload.Payload, errChan chan<- error) {
subscribeWithChan(ctx, p.Mono, valueChan, errChan, false)
}
func (p proxy) BlockUnsafe(ctx context.Context) (payload.Payload, ReleaseFunc, error) {
v, err := toBlock(ctx, p.Mono)
if err != nil {
return nil, nil, err
}
r, ok := v.(common.Releasable)
if !ok {
return v, noopRelease, nil
}
return v, r.Release, nil
}
func (p proxy) Block(ctx context.Context) (payload.Payload, error) {
v, r, err := p.BlockUnsafe(ctx)
if err != nil {
return nil, err
}
defer r()
if v == nil {
return nil, nil
}
if _, ok := v.(common.Releasable); ok {
return payload.Clone(v), nil
}
return v, nil
}
func (p proxy) Filter(fn rx.FnPredicate) Mono {
return newProxy(p.Mono.Filter(func(i reactor.Any) bool {
return fn(i.(payload.Payload))
}))
}
func (p proxy) Map(transform rx.FnTransform) Mono {
return newProxy(p.Mono.Map(func(any reactor.Any) (reactor.Any, error) {
return transform(any.(payload.Payload))
}))
}
func (p proxy) FlatMap(transform func(payload.Payload) Mono) Mono {
return newProxy(p.Mono.FlatMap(func(any reactor.Any) mono.Mono {
return transform(any.(payload.Payload)).Raw()
}))
}
func (p proxy) DoFinally(fn rx.FnFinally) Mono {
return newProxy(p.Mono.DoFinally(func(signal reactor.SignalType) {
fn(rx.SignalType(signal))
}))
}
func (p proxy) DoOnError(fn rx.FnOnError) Mono {
return newProxy(p.Mono.DoOnError(func(e error) {
fn(e)
}))
}
func (p proxy) DoOnSuccess(next rx.FnOnNext) Mono {
return newProxy(p.Mono.DoOnNext(func(v reactor.Any) error {
return next(v.(payload.Payload))
}))
}
func (p proxy) DoOnSubscribe(fn rx.FnOnSubscribe) Mono {
return newProxy(p.Mono.DoOnSubscribe(func(ctx context.Context, su reactor.Subscription) {
fn(ctx, su)
}))
}
func (p proxy) DoOnCancel(fn rx.FnOnCancel) Mono {
return newProxy(p.Mono.DoOnCancel(fn))
}
func (p proxy) SwitchIfEmpty(alternative Mono) Mono {
return newProxy(p.Mono.SwitchIfEmpty(unpackRawPublisher(alternative)))
}
func (p proxy) SwitchIfError(alternative func(error) Mono) Mono {
return newProxy(p.Mono.SwitchIfError(func(err error) mono.Mono {
return unpackRawPublisher(alternative(err))
}))
}
func (p proxy) SwitchValueIfError(alternative payload.Payload) Mono {
return newProxy(p.Mono.SwitchValueIfError(alternative))
}
func (p proxy) Timeout(timeout time.Duration) Mono {
return newProxy(p.Mono.Timeout(timeout))
}
func (p proxy) ZipWith(alternative Mono, cmb Combinator2) Mono {
return Zip(p, alternative).ToMono(func(item rx.Tuple) (payload.Payload, error) {
first, err := convertItem(item[0])
if err != nil {
return nil, err
}
second, err := convertItem(item[1])
if err != nil {
return nil, err
}
return cmb(first, second)
})
}
func (p proxy) Subscribe(ctx context.Context, options ...rx.SubscriberOption) {
p.SubscribeWith(ctx, rx.NewSubscriber(options...))
}
func (p proxy) SubscribeWith(ctx context.Context, actual rx.Subscriber) {
var sub reactor.Subscriber
if actual == rx.EmptySubscriber {
sub = rx.EmptyRawSubscriber
} else {
sub = rx.NewSubscriberFacade(actual)
}
p.Mono.SubscribeWith(ctx, sub)
}