seaweedfs/weed/replication/replicator.go

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2018-09-17 07:27:56 +00:00
package replication
import (
"github.com/chrislusf/seaweedfs/weed/replication/sink"
"github.com/chrislusf/seaweedfs/weed/util"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
type Replicator struct {
sink *sink.FilerSink
}
func NewReplicator(config util.Configuration) *Replicator {
sink := &sink.FilerSink{}
sink.Initialize(config)
return &Replicator{
sink: sink,
}
}
func (r *Replicator) Replicate(key string, message *filer_pb.EventNotification) error {
if message.OldEntry != nil && message.NewEntry == nil {
return r.sink.DeleteEntry(message.OldEntry, message.DeleteChunks)
}
if message.OldEntry == nil && message.NewEntry != nil {
return r.sink.CreateEntry(message.NewEntry)
}
return r.sink.UpdateEntry(message.OldEntry, message.NewEntry, message.DeleteChunks)
}