[incubator-eventmesh] branch eventmesh-server-go updated: add protocol plugin api

[wa...@apache.org]

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walleliu pushed a commit to branch eventmesh-server-go
in repository https://gitbox.apache.org/repos/asf/incubator-eventmesh.git


The following commit(s) were added to refs/heads/eventmesh-server-go by this push:
     new cd733a72 add protocol plugin api
     new e9894dd9 Merge pull request #1338 from walleliu1016/eventmesh-server-go-runtime
cd733a72 is described below

commit cd733a72b722388dcc58fa8b6875e2033f468129
Author: walleliu1016 <li...@163.com>
AuthorDate: Mon Sep 19 22:56:53 2022 +0800

    add protocol plugin api
---
 eventmesh-server-go/plugin/protocol/protocol.go | 36 +++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/eventmesh-server-go/plugin/protocol/protocol.go b/eventmesh-server-go/plugin/protocol/protocol.go
new file mode 100644
index 00000000..64023d13
--- /dev/null
+++ b/eventmesh-server-go/plugin/protocol/protocol.go
@@ -0,0 +1,36 @@
+// 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 protocol
+
+import (
+	cloudv2 "github.com/cloudevents/sdk-go/v2"
+)
+
+// Adapter protocol adapter
+// transfer the message with given protocol and events message
+type Adapter interface {
+	// ToCloudEvent transform protocol to CloudEvent
+	ToCloudEvent(interface{}) (*cloudv2.Event, error)
+
+	//ToCloudEvents transform protocol to CloudEvent list.
+	ToCloudEvents(interface{}) ([]*cloudv2.Event, error)
+
+	//FromCloudEvent transfor CloudEvent to target protocol.
+	FromCloudEvent(event *cloudv2.Event) (interface{}, error)
+
+	// ProtocolType protocol type, protocol type should not be null
+	ProtocolType() string
+}


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