github.com/matrixorigin/matrixone@v0.7.0/pkg/container/types/uuid.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package types
    16  
    17  import (
    18  	"github.com/google/uuid"
    19  )
    20  
    21  func ParseUuid(str string) (Uuid, error) {
    22  	gUuid, err := uuid.Parse(str)
    23  	if err != nil {
    24  		return Uuid{}, err
    25  	}
    26  	return Uuid(gUuid), nil
    27  }
    28  
    29  func BuildUuid() (Uuid, error) {
    30  	gUuid, err := uuid.NewUUID()
    31  	if err != nil {
    32  		return Uuid{}, err
    33  	}
    34  	return Uuid(gUuid), nil
    35  }
    36  
    37  func UuidToString(muuid Uuid) (string, error) {
    38  	return uuid.UUID(muuid).String(), nil
    39  }
    40  
    41  func EqualUuid(src Uuid, dest Uuid) bool {
    42  	return src == dest
    43  }
    44  
    45  func CompareUuid(left Uuid, right Uuid) int64 {
    46  	for i := 0; i < 16; i++ {
    47  		if left[i] == right[i] {
    48  			continue
    49  		} else if left[i] > right[i] {
    50  			return +1
    51  		} else {
    52  			return -1
    53  		}
    54  	}
    55  	return 0
    56  }
    57  
    58  func (d Uuid) ToString() string {
    59  	return uuid.UUID(d).String()
    60  }
    61  
    62  func (d Uuid) ClockSequence() int {
    63  	return uuid.UUID(d).ClockSequence()
    64  }
    65  
    66  func (d Uuid) Compare(other Uuid) int {
    67  	return int(CompareUuid(d, other))
    68  }
    69  func (d Uuid) Eq(other Uuid) bool {
    70  	return d.Compare(other) == 0
    71  }
    72  func (d Uuid) Le(other Uuid) bool {
    73  	return d.Compare(other) <= 0
    74  }
    75  func (d Uuid) Lt(other Uuid) bool {
    76  	return d.Compare(other) < 0
    77  }
    78  func (d Uuid) Ge(other Uuid) bool {
    79  	return d.Compare(other) >= 0
    80  }
    81  func (d Uuid) Gt(other Uuid) bool {
    82  	return d.Compare(other) > 0
    83  }
    84  func (d Uuid) Ne(other Uuid) bool {
    85  	return d.Compare(other) != 0
    86  }