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code refactor

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MaysWind
2020-12-23 01:24:44 +08:00
parent 62ef7cbcbe
commit b3962e8af9
35 changed files with 256 additions and 255 deletions
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pkg/uuid/internal_generator.go
+25 -25
View File
@@ -9,20 +9,20 @@ import (
// Length and mask of all information in uuid
const (
INTERNAL_UUID_UNIX_TIME_BITS = 32
INTERNAL_UUID_UNIX_TIME_MASK = (1 << INTERNAL_UUID_UNIX_TIME_BITS) - 1
internalUuidUnixTimeBits = 32
internalUuidUnixTimeMask = (1 << internalUuidUnixTimeBits) - 1
INTERNAL_UUID_TYPE_BITS = 4
INTERNAL_UUID_TYPE_MASK = (1 << INTERNAL_UUID_TYPE_BITS) - 1
internalUuidTypeBits = 4
internalUuidTypeMask = (1 << internalUuidTypeBits) - 1
INTERNAL_UUID_SERVER_ID_BITS = 8
INTERNAL_UUID_SERVER_ID_MASK = (1 << INTERNAL_UUID_SERVER_ID_BITS) - 1
internalUuidServerIdBits = 8
internalUuidServerIdMask = (1 << internalUuidServerIdBits) - 1
INTERNAL_UUID_SEQ_ID_BITS = 19
INTERNAL_UUID_SEQ_ID_MASK = (1 << INTERNAL_UUID_SEQ_ID_BITS) - 1
internalUuidSeqIdBits = 19
internalUuidSeqIdMask = (1 << internalUuidSeqIdBits) - 1
SEQ_NUMBER_ID_BITS = 32
SEQ_NUMBER_ID_MASK = (1 << SEQ_NUMBER_ID_BITS) - 1
seqNumberIdBits = 32
seqNumberIdMask = (1 << seqNumberIdBits) - 1
)
// InternalUuidInfo represents a struct which has all information in uuid
@@ -36,7 +36,7 @@ type InternalUuidInfo struct {
// InternalUuidGenerator represents internal bundled uuid generator
type InternalUuidGenerator struct {
uuidServerId uint8
uuidSeqNumbers [1 << INTERNAL_UUID_TYPE_BITS]uint64
uuidSeqNumbers [1 << internalUuidTypeBits]uint64
}
// NewInternalUuidGenerator returns a new internal uuid generator
@@ -60,24 +60,24 @@ func (u *InternalUuidGenerator) GenerateUuid(idType UuidType) int64 {
unixTime = uint64(time.Now().Unix())
newSeqId = atomic.AddUint64(&u.uuidSeqNumbers[uuidType], 1)
if newSeqId>>SEQ_NUMBER_ID_BITS == unixTime {
if newSeqId>>seqNumberIdBits == unixTime {
break
}
currentSeqId := newSeqId
newSeqId = unixTime << SEQ_NUMBER_ID_BITS
newSeqId = unixTime << seqNumberIdBits
if atomic.CompareAndSwapUint64(&u.uuidSeqNumbers[uuidType], currentSeqId, newSeqId) {
break
}
}
seqId := newSeqId & SEQ_NUMBER_ID_MASK
seqId := newSeqId & seqNumberIdMask
unixTimePart := (int64(unixTime) & INTERNAL_UUID_UNIX_TIME_MASK) << (INTERNAL_UUID_TYPE_BITS + INTERNAL_UUID_SERVER_ID_BITS + INTERNAL_UUID_SEQ_ID_BITS)
uuidTypePart := (int64(uuidType) & INTERNAL_UUID_TYPE_MASK) << (INTERNAL_UUID_SERVER_ID_BITS + INTERNAL_UUID_SEQ_ID_BITS)
uuidServerIdPart := (int64(u.uuidServerId) & INTERNAL_UUID_SERVER_ID_MASK) << INTERNAL_UUID_SEQ_ID_BITS
seqIdPart := int64(seqId) & INTERNAL_UUID_SEQ_ID_MASK
unixTimePart := (int64(unixTime) & internalUuidUnixTimeMask) << (internalUuidTypeBits + internalUuidServerIdBits + internalUuidSeqIdBits)
uuidTypePart := (int64(uuidType) & internalUuidTypeMask) << (internalUuidServerIdBits + internalUuidSeqIdBits)
uuidServerIdPart := (int64(u.uuidServerId) & internalUuidServerIdMask) << internalUuidSeqIdBits
seqIdPart := int64(seqId) & internalUuidSeqIdMask
uuid := unixTimePart | uuidTypePart | uuidServerIdPart | seqIdPart
@@ -86,16 +86,16 @@ func (u *InternalUuidGenerator) GenerateUuid(idType UuidType) int64 {
// ParseUuidInfo returns a info struct which contains all information in uuid
func (u *InternalUuidGenerator) ParseUuidInfo(uuid int64) *InternalUuidInfo {
seqId := uint32(uuid & INTERNAL_UUID_SEQ_ID_MASK)
uuid = uuid >> INTERNAL_UUID_SEQ_ID_BITS
seqId := uint32(uuid & internalUuidSeqIdMask)
uuid = uuid >> internalUuidSeqIdBits
uuidServerId := uint8(uuid & INTERNAL_UUID_SERVER_ID_MASK)
uuid = uuid >> INTERNAL_UUID_SERVER_ID_BITS
uuidServerId := uint8(uuid & internalUuidServerIdMask)
uuid = uuid >> internalUuidServerIdBits
uuidType := uint8(uuid & INTERNAL_UUID_TYPE_MASK)
uuid = uuid >> INTERNAL_UUID_TYPE_BITS
uuidType := uint8(uuid & internalUuidTypeMask)
uuid = uuid >> internalUuidTypeBits
unixTime := uint32(uuid & INTERNAL_UUID_UNIX_TIME_MASK)
unixTime := uint32(uuid & internalUuidUnixTimeMask)
return &InternalUuidInfo{
UnixTime: unixTime,
pkg/uuid/uuid_container.go
+1 -1
View File
@@ -17,7 +17,7 @@ var (
// InitializeUuidGenerator initialized the current uuid generator according to the config
func InitializeUuidGenerator(config *settings.Config) error {
if config.UuidGeneratorType == settings.UUID_GENERATOR_TYPE_INTERNAL {
if config.UuidGeneratorType == settings.InternalUuidGeneratorType {
generator, err := NewInternalUuidGenerator(config)
Container.Current = generator