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gitea/vendor/github.com/pingcap/go-hbase/call.go

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package hbase
import (
"strings"
pb "github.com/golang/protobuf/proto"
"github.com/pingcap/go-hbase/proto"
)
type call struct {
id uint32
methodName string
request pb.Message
responseBuffer pb.Message
responseCh chan pb.Message
}
type exception struct {
msg string
}
func isNotInRegionError(err error) bool {
return strings.Contains(err.Error(), "org.apache.hadoop.hbase.NotServingRegionException")
}
func isUnknownScannerError(err error) bool {
return strings.Contains(err.Error(), "org.apache.hadoop.hbase.UnknownScannerException")
}
func (m *exception) Reset() { *m = exception{} }
func (m *exception) String() string { return m.msg }
func (m *exception) ProtoMessage() {}
func newCall(request pb.Message) *call {
var responseBuffer pb.Message
var methodName string
switch request.(type) {
case *proto.GetRequest:
responseBuffer = &proto.GetResponse{}
methodName = "Get"
case *proto.MutateRequest:
responseBuffer = &proto.MutateResponse{}
methodName = "Mutate"
case *proto.ScanRequest:
responseBuffer = &proto.ScanResponse{}
methodName = "Scan"
case *proto.GetTableDescriptorsRequest:
responseBuffer = &proto.GetTableDescriptorsResponse{}
methodName = "GetTableDescriptors"
case *proto.CoprocessorServiceRequest:
responseBuffer = &proto.CoprocessorServiceResponse{}
methodName = "ExecService"
case *proto.CreateTableRequest:
responseBuffer = &proto.CreateTableResponse{}
methodName = "CreateTable"
case *proto.DisableTableRequest:
responseBuffer = &proto.DisableTableResponse{}
methodName = "DisableTable"
case *proto.EnableTableRequest:
responseBuffer = &proto.EnableTableResponse{}
methodName = "EnableTable"
case *proto.DeleteTableRequest:
responseBuffer = &proto.DeleteTableResponse{}
methodName = "DeleteTable"
case *proto.MultiRequest:
responseBuffer = &proto.MultiResponse{}
methodName = "Multi"
case *proto.SplitRegionRequest:
responseBuffer = &proto.SplitRegionResponse{}
methodName = "SplitRegion"
}
return &call{
methodName: methodName,
request: request,
responseBuffer: responseBuffer,
responseCh: make(chan pb.Message, 1),
}
}
func (c *call) complete(err error, response []byte) {
defer close(c.responseCh)
if err != nil {
c.responseCh <- &exception{
msg: err.Error(),
}
return
}
err = pb.Unmarshal(response, c.responseBuffer)
if err != nil {
c.responseCh <- &exception{
msg: err.Error(),
}
return
}
c.responseCh <- c.responseBuffer
}