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package state
import (
"context"
)
type memoryStateValue struct {
backend *MemoryStateBackend
stateName string
}
func (m *memoryStateValue) Value(ctx context.Context) (any, error) {
kg := m.backend.currentGroupKey
key := m.backend.currentKey
ns := m.backend.currentNamespace
if kgMap, ok := m.backend.states[m.stateName][kg][key]; ok {
if v, hasKey := kgMap[ns]; hasKey {
return v, nil
}
}
return nil, nil
}
func (m *memoryStateValue) Update(ctx context.Context, newVal any) (any, error) {
kg := m.backend.currentGroupKey
key := m.backend.currentKey
ns := m.backend.currentNamespace
if _, ok := m.backend.states[m.stateName][kg]; !ok {
m.backend.states[m.stateName][kg] = make(map[string]map[any]any)
}
if _, ok := m.backend.states[m.stateName][kg][key]; !ok {
m.backend.states[m.stateName][kg][key] = make(map[any]any)
}
m.backend.states[m.stateName][kg][key][ns] = newVal
return newVal, nil
}
func (m *memoryStateValue) Clear(ctx context.Context) error {
kg := m.backend.currentGroupKey
key := m.backend.currentKey
ns := m.backend.currentNamespace
if kgMap, ok := m.backend.states[m.stateName][kg]; ok {
if nsMap, ok := kgMap[key]; ok {
delete(nsMap, ns)
}
}
return nil
}
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