sequence

package

v0.0.0-...-5c6c1e7 Latest Latest Go to latest Published: Jul 29, 2022 License: Apache-2.0 Imports: 5 Imported by: 0

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type MemorySequencer struct {
	// contains filtered or unexported fields
}

just for testing

func NewMemorySequencer() (m *MemorySequencer)

func (m *MemorySequencer) NextFileId(count uint64) uint64

func (m *MemorySequencer) Peek() uint64

func (m *MemorySequencer) SetMax(seenValue uint64)

type Sequencer interface {
	NextFileId(count uint64) uint64
	SetMax(uint64)
	Peek() uint64
}

type SnowflakeSequencer struct {
	// contains filtered or unexported fields
}

a simple snowflake Sequencer

func NewSnowflakeSequencer(nodeid string, snowflakeId int) (*SnowflakeSequencer, error)

func (m *SnowflakeSequencer) NextFileId(count uint64) uint64

func (m *SnowflakeSequencer) Peek() uint64

return a new id as no Peek is stored

func (m *SnowflakeSequencer) SetMax(seenValue uint64)

ignore setmax as we are snowflake