mats/go-cart-actor
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cleanup

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This commit is contained in:
matst80
2024-11-08 23:50:57 +01:00
parent 251a0b7bc7
commit 356f5effba
5 changed files with 44 additions and 94 deletions
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32
grain-pool.go
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@@ -1,19 +1,20 @@
package main
import (
"encoding/json"
"fmt"
"log"
"time"
)
type GrainPool interface {
Process(id CartId, messages ...Message) (interface{}, error)
Get(id CartId) (Grain, error)
Process(id CartId, messages ...Message) ([]byte, error)
Get(id CartId) ([]byte, error)
}
type Ttl struct {
Expires time.Time
Item *CartGrain
Grain *CartGrain
}
type GrainLocalPool struct {
@@ -46,13 +47,13 @@ func (p *GrainLocalPool) Purge() {
for i := 0; i < len(p.expiry); i++ {
item := p.expiry[i]
if item.Expires.Before(time.Now()) {
if item.Item.GetLastChange() > keepChanged {
log.Printf("Changed item %s expired, keeping", item.Item.GetId())
if item.Grain.GetLastChange() > keepChanged {
log.Printf("Expired item %s changed, keeping", item.Grain.GetId())
p.expiry = append(p.expiry[:i], p.expiry[i+1:]...)
p.expiry = append(p.expiry, item)
} else {
log.Printf("Item %s expired", item.Item.GetId())
delete(p.grains, item.Item.GetId())
log.Printf("Item %s expired", item.Grain.GetId())
delete(p.grains, item.Grain.GetId())
p.expiry = append(p.expiry[:i], p.expiry[i+1:]...)
}
} else {
@@ -71,7 +72,7 @@ func (p *GrainLocalPool) GetGrain(id CartId) (*CartGrain, error) {
if !ok {
if len(p.grains) >= p.PoolSize {
if p.expiry[0].Expires.Before(time.Now()) {
delete(p.grains, p.expiry[0].Item.GetId())
delete(p.grains, p.expiry[0].Grain.GetId())
p.expiry = p.expiry[1:]
} else {
return nil, fmt.Errorf("pool is full")
@@ -84,16 +85,23 @@ func (p *GrainLocalPool) GetGrain(id CartId) (*CartGrain, error) {
return grain, err
}
func (p *GrainLocalPool) Process(id CartId, messages ...Message) (interface{}, error) {
func (p *GrainLocalPool) Process(id CartId, messages ...Message) ([]byte, error) {
grain, err := p.GetGrain(id)
if err == nil && grain != nil {
for _, message := range messages {
_, err = grain.HandleMessage(&message, false)
}
}
return grain, err
if err != nil {
return nil, err
}
return json.Marshal(grain)
}
func (p *GrainLocalPool) Get(id CartId) (Grain, error) {
return p.GetGrain(id)
func (p *GrainLocalPool) Get(id CartId) ([]byte, error) {
grain, err := p.GetGrain(id)
if err != nil {
return nil, err
}
return json.Marshal(grain)
}