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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2020/07/06 09:57:01 UTC
[GitHub] [dubbo-go] AlexStocks commented on a change in pull request #647: Ftr: experimentally distributed transaction based on seata-golang
AlexStocks commented on a change in pull request #647:
URL: https://github.com/apache/dubbo-go/pull/647#discussion_r450113957
##########
File path: filter/filter_impl/seata_filter.go
##########
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package filter_impl
+
+import (
+ "context"
+)
+
+import (
+ "github.com/apache/dubbo-go/common/extension"
+ "github.com/apache/dubbo-go/common/logger"
+ "github.com/apache/dubbo-go/filter"
+ "github.com/apache/dubbo-go/protocol"
+)
+
+const (
+ SEATA = "SEATA"
+ SEATA_XID = "SEATA_XID"
+)
+
+func init() {
+ extension.SetFilter(SEATA, GetSeataFilter)
+}
+
+// SeataFilter ...
+type SeataFilter struct {}
+
+// When use Seata, transfer xid by attachments
+// Invoke Get Xid by attachment key `SEATA_XID`
+func (sf *SeataFilter) Invoke(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
+ logger.Infof("invoking seata filter.")
+ xid := invocation.AttachmentsByKey(SEATA_XID,"")
+ if xid != "" {
+ logger.Debugf("Method: %v,Xid: %v", invocation.MethodName(), xid)
+ return invoker.Invoke(context.WithValue(ctx,SEATA_XID, xid), invocation)
+ }
+ return invoker.Invoke(ctx,invocation)
+}
+
+// OnResponse ...
Review comment:
add comment for this func.
##########
File path: filter/filter_impl/seata_filter.go
##########
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package filter_impl
+
+import (
+ "context"
+)
+
+import (
+ "github.com/apache/dubbo-go/common/extension"
+ "github.com/apache/dubbo-go/common/logger"
+ "github.com/apache/dubbo-go/filter"
+ "github.com/apache/dubbo-go/protocol"
+)
+
+const (
+ SEATA = "SEATA"
+ SEATA_XID = "SEATA_XID"
+)
+
+func init() {
+ extension.SetFilter(SEATA, GetSeataFilter)
+}
+
+// SeataFilter ...
+type SeataFilter struct {}
+
+// When use Seata, transfer xid by attachments
+// Invoke Get Xid by attachment key `SEATA_XID`
+func (sf *SeataFilter) Invoke(ctx context.Context, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
+ logger.Infof("invoking seata filter.")
+ xid := invocation.AttachmentsByKey(SEATA_XID,"")
+ if xid != "" {
+ logger.Debugf("Method: %v,Xid: %v", invocation.MethodName(), xid)
+ return invoker.Invoke(context.WithValue(ctx,SEATA_XID, xid), invocation)
+ }
+ return invoker.Invoke(ctx,invocation)
+}
+
+// OnResponse ...
+func (sf *SeataFilter) OnResponse(ctx context.Context, result protocol.Result, invoker protocol.Invoker, invocation protocol.Invocation) protocol.Result {
+ return result
+}
+
+// GetSeataFilter ...
Review comment:
add comment for this func.
##########
File path: filter/filter_impl/seata_filter.go
##########
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package filter_impl
+
+import (
+ "context"
+)
+
+import (
+ "github.com/apache/dubbo-go/common/extension"
+ "github.com/apache/dubbo-go/common/logger"
+ "github.com/apache/dubbo-go/filter"
+ "github.com/apache/dubbo-go/protocol"
+)
+
+const (
+ SEATA = "SEATA"
+ SEATA_XID = "SEATA_XID"
+)
+
+func init() {
+ extension.SetFilter(SEATA, GetSeataFilter)
+}
+
+// SeataFilter ...
Review comment:
add comment for this func.
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