mirror of https://github.com/milvus-io/milvus.git
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package syncmgr
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import (
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"github.com/milvus-io/milvus-proto/go-api/v2/msgpb"
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"github.com/milvus-io/milvus/pkg/util/conc"
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"github.com/milvus-io/milvus/pkg/util/lock"
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)
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//go:generate mockery --name=Task --structname=MockTask --output=./ --filename=mock_task.go --with-expecter --inpackage
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type Task interface {
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SegmentID() int64
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Checkpoint() *msgpb.MsgPosition
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StartPosition() *msgpb.MsgPosition
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ChannelName() string
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Run() error
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HandleError(error)
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}
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type keyLockDispatcher[K comparable] struct {
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keyLock *lock.KeyLock[K]
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workerPool *conc.Pool[struct{}]
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}
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func newKeyLockDispatcher[K comparable](maxParallel int) *keyLockDispatcher[K] {
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dispatcher := &keyLockDispatcher[K]{
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workerPool: conc.NewPool[struct{}](maxParallel, conc.WithPreAlloc(false)),
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keyLock: lock.NewKeyLock[K](),
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}
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return dispatcher
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}
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func (d *keyLockDispatcher[K]) Submit(key K, t Task, callbacks ...func(error) error) *conc.Future[struct{}] {
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d.keyLock.Lock(key)
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return d.workerPool.Submit(func() (struct{}, error) {
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defer d.keyLock.Unlock(key)
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err := t.Run()
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for _, callback := range callbacks {
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err = callback(err)
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}
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return struct{}{}, err
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})
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}
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