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73 lines
1.8 KiB
73 lines
1.8 KiB
package storage
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type SettingKey int
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const (
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keyReplicatePlacement SettingKey = iota
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keyGarbageThreshold
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)
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type CollectionSettings struct {
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settings map[string]map[SettingKey]interface{}
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}
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func NewCollectionSettings(defaultReplicatePlacement, defaultGarbageThreshold string) *CollectionSettings {
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rp, e := NewReplicaPlacementFromString(defaultReplicatePlacement)
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if e != nil {
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rp, _ = NewReplicaPlacementFromString("000")
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}
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c := &CollectionSettings{
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settings: make(map[string]map[SettingKey]interface{}),
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}
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c.set("", keyReplicatePlacement, rp)
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c.set("", keyGarbageThreshold, defaultGarbageThreshold)
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return c
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}
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func (c *CollectionSettings) get(collection string, key SettingKey) interface{} {
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if m, ok := c.settings[collection]; ok {
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if v, ok := m[key]; ok {
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return v
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}
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}
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if m, ok := c.settings[""]; ok {
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return m[key]
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}
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return nil
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}
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func (c *CollectionSettings) set(collection string, key SettingKey, value interface{}) {
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m := c.settings[collection]
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if m == nil {
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m = make(map[SettingKey]interface{})
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c.settings[collection] = m
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}
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if value == nil {
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//mustn't delete default setting
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if collection != "" {
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delete(m, key)
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}
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} else {
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m[key] = value
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}
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}
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func (c *CollectionSettings) GetGarbageThreshold(collection string) string {
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return c.get(collection, keyGarbageThreshold).(string)
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}
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func (c *CollectionSettings) SetGarbageThreshold(collection string, gt string) {
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c.set(collection, keyGarbageThreshold, gt)
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}
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func (c *CollectionSettings) GetReplicaPlacement(collection string) *ReplicaPlacement {
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return c.get(collection, keyReplicatePlacement).(*ReplicaPlacement)
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}
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func (c *CollectionSettings) SetReplicaPlacement(collection, t string) error {
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rp, e := NewReplicaPlacementFromString(t)
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if e == nil {
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c.set(collection, keyReplicatePlacement, rp)
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}
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return e
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}
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