github.com/yitter/idgenerator-go@v1.3.3/idgen/YitIdHelper.go (about)

     1  /*
     2   * 版权属于：yitter(yitter@126.com)
     3   * 代码编辑：guoyahao
     4   * 代码修订：yitter
     5   * 开源地址：https://github.com/yitter/idgenerator
     6   */
     7  
     8  package idgen
     9  
    10  import (
    11  	"sync"
    12  	"time"
    13  )
    14  
    15  var singletonMutex sync.Mutex
    16  var idGenerator *DefaultIdGenerator
    17  
    18  // SetIdGenerator .
    19  func SetIdGenerator(options *IdGeneratorOptions) {
    20  	singletonMutex.Lock()
    21  	idGenerator = NewDefaultIdGenerator(options)
    22  	singletonMutex.Unlock()
    23  }
    24  
    25  // NextId .
    26  func NextId() int64 {
    27  	// if idGenerator == nil {
    28  	//	singletonMutex.Lock()
    29  	//	defer singletonMutex.Unlock()
    30  	//	if idGenerator == nil {
    31  	//		options := NewIdGeneratorOptions(1)
    32  	//		idGenerator = NewDefaultIdGenerator(options)
    33  	//	}
    34  	// }
    35  
    36  	return idGenerator.NewLong()
    37  }
    38  
    39  func ExtractTime(id int64) time.Time {
    40  	return idGenerator.ExtractTime(id)
    41  }