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map.go
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map.go
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package util
import (
"sync"
)
type Map struct {
sync.RWMutex
m map[interface{}]interface{}
}
func (m *Map) init() {
if m.m == nil {
m.m = make(map[interface{}]interface{})
}
}
func (m *Map) UnsafeGet(key interface{}) interface{} {
if m.m == nil {
return nil
} else {
return m.m[key]
}
}
func (m *Map) Get(key interface{}) interface{} {
m.RLock()
defer m.RUnlock()
return m.UnsafeGet(key)
}
func (m *Map) UnsafeSet(key interface{}, value interface{}) {
m.init()
m.m[key] = value
}
func (m *Map) Set(key interface{}, value interface{}) {
m.Lock()
defer m.Unlock()
m.UnsafeSet(key, value)
}
func (m *Map) TestAndSet(key interface{}, value interface{}) interface{} {
m.Lock()
defer m.Unlock()
m.init()
if v, ok := m.m[key]; ok {
return v
} else {
m.m[key] = value
return nil
}
}
func (m *Map) UnsafeDel(key interface{}) {
m.init()
delete(m.m, key)
}
func (m *Map) Del(key interface{}) {
m.Lock()
defer m.Unlock()
m.UnsafeDel(key)
}
func (m *Map) UnsafeLen() int {
if m.m == nil {
return 0
} else {
return len(m.m)
}
}
func (m *Map) Len() int {
m.RLock()
defer m.RUnlock()
return m.UnsafeLen()
}
func (m *Map) UnsafeRange(f func(interface{}, interface{})) {
if m.m == nil {
return
}
for k, v := range m.m {
f(k, v)
}
}
func (m *Map) RLockRange(f func(interface{}, interface{})) {
m.RLock()
defer m.RUnlock()
m.UnsafeRange(f)
}
func (m *Map) LockRange(f func(interface{}, interface{})) {
m.Lock()
defer m.Unlock()
m.UnsafeRange(f)
}