github.com/songzhibin97/go-baseutils@v0.0.2-0.20240302024150-487d8ce9c082/structure/queues/priorityqueue/priorityqueue_safe.go (about)

     1  package priorityqueue
     2  
     3  import (
     4  	"github.com/songzhibin97/go-baseutils/base/bcomparator"
     5  	"github.com/songzhibin97/go-baseutils/structure/queues"
     6  	"sync"
     7  )
     8  
     9  var _ queues.Queue[any] = (*QueueSafe[any])(nil)
    10  
    11  func NewSafeWith[E any](comparator bcomparator.Comparator[E]) *QueueSafe[E] {
    12  	return &QueueSafe[E]{
    13  		unsafe: NewWith[E](comparator),
    14  	}
    15  }
    16  
    17  type QueueSafe[E any] struct {
    18  	unsafe *Queue[E]
    19  	lock   sync.Mutex
    20  }
    21  
    22  func (s *QueueSafe[E]) Enqueue(value E) {
    23  	s.lock.Lock()
    24  	defer s.lock.Unlock()
    25  	s.unsafe.Enqueue(value)
    26  
    27  }
    28  
    29  func (s *QueueSafe[E]) Dequeue() (E, bool) {
    30  	s.lock.Lock()
    31  	defer s.lock.Unlock()
    32  	return s.unsafe.Dequeue()
    33  }
    34  
    35  func (s *QueueSafe[E]) Peek() (E, bool) {
    36  	s.lock.Lock()
    37  	defer s.lock.Unlock()
    38  	return s.unsafe.Peek()
    39  }
    40  
    41  func (s *QueueSafe[E]) Empty() bool {
    42  	s.lock.Lock()
    43  	defer s.lock.Unlock()
    44  	return s.unsafe.Empty()
    45  }
    46  
    47  func (s *QueueSafe[E]) Size() int {
    48  	s.lock.Lock()
    49  	defer s.lock.Unlock()
    50  	return s.unsafe.Size()
    51  }
    52  
    53  func (s *QueueSafe[E]) Clear() {
    54  	s.lock.Lock()
    55  	defer s.lock.Unlock()
    56  	s.unsafe.Clear()
    57  
    58  }
    59  
    60  func (s *QueueSafe[E]) Values() []E {
    61  	s.lock.Lock()
    62  	defer s.lock.Unlock()
    63  	return s.unsafe.Values()
    64  }
    65  
    66  func (s *QueueSafe[E]) String() string {
    67  	s.lock.Lock()
    68  	defer s.lock.Unlock()
    69  	return s.unsafe.String()
    70  }
    71  
    72  func (s *QueueSafe[E]) UnmarshalJSON(bytes []byte) error {
    73  	s.lock.Lock()
    74  	defer s.lock.Unlock()
    75  	return s.unsafe.UnmarshalJSON(bytes)
    76  }
    77  
    78  func (s *QueueSafe[E]) MarshalJSON() ([]byte, error) {
    79  	s.lock.Lock()
    80  	defer s.lock.Unlock()
    81  	return s.unsafe.MarshalJSON()
    82  }