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adapter.go
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adapter.go
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// Code generated by atomix-go-framework. DO NOT EDIT.
package lock
import (
"github.com/atomix/atomix-go-framework/pkg/atomix/errors"
"github.com/atomix/atomix-go-framework/pkg/atomix/logging"
"github.com/atomix/atomix-go-framework/pkg/atomix/storage/protocol/rsm"
"github.com/gogo/protobuf/proto"
"io"
)
var log = logging.GetLogger("atomix", "lock", "service")
const Type = "Lock"
const (
lockOp = "Lock"
unlockOp = "Unlock"
getLockOp = "GetLock"
)
var newServiceFunc rsm.NewServiceFunc
func registerServiceFunc(rsmf NewServiceFunc) {
newServiceFunc = func(context rsm.ServiceContext) rsm.Service {
return &ServiceAdaptor{
ServiceContext: context,
rsm: rsmf(newServiceContext(context)),
}
}
}
type NewServiceFunc func(ServiceContext) Service
// RegisterService registers the election primitive service on the given node
func RegisterService(node *rsm.Node) {
node.RegisterService(Type, newServiceFunc)
}
type ServiceAdaptor struct {
rsm.ServiceContext
rsm Service
}
func (s *ServiceAdaptor) ExecuteCommand(command rsm.Command) {
switch command.OperationID() {
case 1:
p, err := newLockProposal(command)
if err != nil {
err = errors.NewInternal(err.Error())
log.Error(err)
command.Output(nil, err)
return
}
log.Debugf("Proposal LockProposal %s", p)
s.rsm.Lock(p)
case 2:
p, err := newUnlockProposal(command)
if err != nil {
err = errors.NewInternal(err.Error())
log.Error(err)
command.Output(nil, err)
return
}
log.Debugf("Proposal UnlockProposal %s", p)
response, err := s.rsm.Unlock(p)
if err != nil {
log.Warnf("Proposal UnlockProposal %s failed: %v", p, err)
command.Output(nil, err)
} else {
output, err := proto.Marshal(response)
if err != nil {
err = errors.NewInternal(err.Error())
log.Errorf("Proposal UnlockProposal %s failed: %v", p, err)
command.Output(nil, err)
} else {
log.Debugf("Proposal UnlockProposal %s complete: %+v", p, response)
command.Output(output, nil)
}
}
command.Close()
default:
err := errors.NewNotSupported("unknown operation %d", command.OperationID())
log.Warn(err)
command.Output(nil, err)
}
}
func (s *ServiceAdaptor) ExecuteQuery(query rsm.Query) {
switch query.OperationID() {
case 3:
q, err := newGetLockQuery(query)
if err != nil {
err = errors.NewInternal(err.Error())
log.Error(err)
query.Output(nil, err)
return
}
log.Debugf("Querying GetLockQuery %s", q)
response, err := s.rsm.GetLock(q)
if err != nil {
log.Warnf("Querying GetLockQuery %s failed: %v", q, err)
query.Output(nil, err)
} else {
output, err := proto.Marshal(response)
if err != nil {
err = errors.NewInternal(err.Error())
log.Errorf("Querying GetLockQuery %s failed: %v", q, err)
query.Output(nil, err)
} else {
log.Debugf("Querying GetLockQuery %s complete: %+v", q, response)
query.Output(output, nil)
}
}
query.Close()
default:
err := errors.NewNotSupported("unknown operation %d", query.OperationID())
log.Warn(err)
query.Output(nil, err)
}
}
func (s *ServiceAdaptor) Backup(writer io.Writer) error {
err := s.rsm.Backup(newSnapshotWriter(writer))
if err != nil {
log.Error(err)
return err
}
return nil
}
func (s *ServiceAdaptor) Restore(reader io.Reader) error {
err := s.rsm.Restore(newSnapshotReader(reader))
if err != nil {
log.Error(err)
return err
}
return nil
}
var _ rsm.Service = &ServiceAdaptor{}