[gotimeout] ephstore makes more sense in gotimeout.

ephstore.go

+package gotimeout
+
+import (
+	"time"
+)
+
+type EphemeralStoreValue interface{}
+type EphemeralKeyValueStore struct {
+	expirator *Expirator
+	values    map[string]EphemeralStoreValue
+}
+
+type ephemeralExpirationProxy ExpirableID
+
+func (e ephemeralExpirationProxy) ExpirationID() ExpirableID {
+	return ExpirableID(e)
+}
+
+func NewEphemeralKeyValueStore() *EphemeralKeyValueStore {
+	v := &EphemeralKeyValueStore{
+		values: make(map[string]EphemeralStoreValue),
+	}
+
+	v.expirator = NewExpirator("", v)
+	return v
+}
+
+func (e *EphemeralKeyValueStore) Put(k string, v EphemeralStoreValue, lifespan time.Duration) {
+	e.values[k] = v
+	e.expirator.ExpireObject(ephemeralExpirationProxy(k), lifespan)
+}
+
+func (e *EphemeralKeyValueStore) Get(k string) (v EphemeralStoreValue, ok bool) {
+	v, ok = e.values[k]
+	return
+}
+
+func (e *EphemeralKeyValueStore) Delete(k string) {
+	e.expirator.CancelObjectExpiration(ephemeralExpirationProxy(k))
+	delete(e.values, k)
+}
+
+func (e *EphemeralKeyValueStore) GetExpirable(id ExpirableID) (Expirable, error) {
+	_, ok := e.values[string(id)]
+	if !ok {
+		return nil, nil
+	}
+	return ephemeralExpirationProxy(id), nil
+}
+
+func (e *EphemeralKeyValueStore) DestroyExpirable(ex Expirable) {
+	delete(e.values, string(ex.ExpirationID()))
+}