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package interfaces
import (
"github.com/valinurovam/garagemq/amqp"
)
// Channel represents base channel public interface
type Channel interface {
SendContent(method amqp.Method, message *amqp.Message)
SendMethod(method amqp.Method)
NextDeliveryTag() uint64
AddUnackedMessage(dTag uint64, cTag string, queue string, message *amqp.Message)
}
// Consumer represents base consumer public interface
type Consumer interface {
Consume() bool
Tag() string
Cancel()
}
// OpSet identifier for set data into storeage
const OpSet = 1
// OpDel identifier for delete data from storage
const OpDel = 2
// Operation represents structure to set/del from storage
type Operation struct {
Key string
Value []byte
Op byte
}
// DbStorage represent base db storage interface
type DbStorage interface {
Set(key string, value []byte) (err error)
Del(key string) (err error)
Get(key string) (value []byte, err error)
Iterate(fn func(key []byte, value []byte))
IterateByPrefix(prefix []byte, limit uint64, fn func(key []byte, value []byte)) uint64
IterateByPrefixFrom(prefix []byte, from []byte, limit uint64, fn func(key []byte, value []byte)) uint64
DeleteByPrefix(prefix []byte)
KeysByPrefixCount(prefix []byte) uint64
ProcessBatch(batch []*Operation) (err error)
Close() error
}
// MsgStorage represent interface for messages storage
type MsgStorage interface {
Del(message *amqp.Message, queue string) error
PurgeQueue(queue string)
Add(message *amqp.Message, queue string) error
Update(message *amqp.Message, queue string) error
IterateByQueueFromMsgID(queue string, msgID uint64, limit uint64, fn func(message *amqp.Message)) uint64
GetQueueLength(queue string) uint64
}
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