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mirror of https://github.com/charlienet/go-mixed.git synced 2026-07-14 08:17:26 +08:00
Files
go-mixed/maps/hash_map.go
T
Charlie c44a325384 fix: 修复多处并发安全问题及锁实现重构
locker: 导出 RWLocker/EmptyLocker 接口, 新增 WithRWLocker, 重构
  SourceLocker 竞态、Synchronize 数据竞态

collections/linked_list: 补齐 ForEach/Size/GetAt/RemoveAt/ToList
  等方法的锁保护
collections/queue,stack: Peek/Size/IsEmpty 加锁
collections/list/linked_list: Front/Back/GetAt 加锁
maps: rwlock_map.Exist/Count, hash_map.Count 加锁
delay_queue/mem_store: Pop 原子化、Len/IsEmpty 加锁
cleanup_guard: Run() 检查 enable 标志
sets/ketama: 修复接口变更导致的 nil 空指针
2026-06-05 10:45:08 +08:00

143 lines
2.2 KiB
Go

package maps
import (
"github.com/charlienet/go-mixed/locker"
)
type hashMap[K hashable, V any] struct {
m map[K]V
opt *options
}
func NewHashMap[K hashable, V any](maps ...map[K]V) *hashMap[K, V] {
m := make(map[K]V)
if len(maps) > 0 {
m = Merge(maps...)
}
return &hashMap[K, V]{opt: acquireDefaultOptions(), m: m}
}
// Synchronize
func (m *hashMap[K, V]) Synchronize() *hashMap[K, V] {
m.opt.mu = locker.NewRWLocker()
m.opt.hasLocker = true
return m
}
func (m *hashMap[K, V]) Set(key K, value V) {
m.opt.mu.Lock()
m.m[key] = value
m.opt.mu.Unlock()
}
func (m *hashMap[K, V]) Get(key K) (V, bool) {
m.opt.mu.RLock()
v, exist := m.m[key]
m.opt.mu.RUnlock()
return v, exist
}
func (m *hashMap[K, V]) Delete(key K) {
m.opt.mu.Lock()
defer m.opt.mu.Unlock()
delete(m.m, key)
}
func (m *hashMap[K, V]) Exist(key K) bool {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
_, ok := m.m[key]
return ok
}
func (m *hashMap[K, V]) Iter() <-chan *Entry[K, V] {
ch := make(chan *Entry[K, V], m.Count())
go func() {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
for k, v := range m.m {
ch <- &Entry[K, V]{
Key: k,
Value: v,
}
}
close(ch)
}()
return ch
}
func (m *hashMap[K, V]) ForEach(f func(K, V) bool) {
cloned := m.ToMap()
for k, v := range cloned {
f(k, v)
}
}
func (m *hashMap[K, V]) Keys() []K {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
keys := make([]K, 0, m.Count())
for k := range m.m {
keys = append(keys, k)
}
return keys
}
func (m *hashMap[K, V]) Values() []V {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
values := make([]V, 0, m.Count())
for _, v := range m.m {
values = append(values, v)
}
return values
}
func (m *hashMap[K, V]) ToMap() map[K]V {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
mm := make(map[K]V, m.Count())
for k, v := range m.m {
mm[k] = v
}
return mm
}
func (m *hashMap[K, V]) Clear() {
m.opt.mu.Lock()
defer m.opt.mu.Unlock()
m.m = make(map[K]V)
}
func (m *hashMap[K, V]) Count() int {
m.opt.mu.RLock()
defer m.opt.mu.RUnlock()
return len(m.m)
}
func (m *hashMap[K, V]) Clone() Map[K, V] {
ret := NewHashMap(m.ToMap())
if m.opt.hasLocker {
ret = ret.Synchronize()
}
return ret
}