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From GitBox <...@apache.org>
Subject [GitHub] [pulsar] sijie commented on a change in pull request #3854: [issue #3767] support go function for pulsar
Date Tue, 19 Mar 2019 12:35:07 GMT
sijie commented on a change in pull request #3854: [issue #3767] support go function for pulsar
URL: https://github.com/apache/pulsar/pull/3854#discussion_r266855801
 
 

 ##########
 File path: pulsar-function-go/pf/instance.go
 ##########
 @@ -0,0 +1,256 @@
+/**
+ * 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 pf
+
+import (
+	"context"
+	"time"
+
+	"github.com/apache/pulsar/pulsar-client-go/pulsar"
+	"github.com/apache/pulsar/pulsar-function-go/log"
+	"github.com/apache/pulsar/pulsar-function-go/pb"
+)
+
+type GoInstance struct {
+	function  Function
+	context   *FunctionContext
+	producer  pulsar.Producer
+	consumers map[string]pulsar.Consumer
+	client    pulsar.Client
+}
+
+// NewGoInstance init GoInstance and init function context
+func NewGoInstance() *GoInstance {
+	goInstance := &GoInstance{
+		context:   NewFuncContext(),
+		consumers: make(map[string]pulsar.Consumer),
+	}
+	return goInstance
+}
+
+func (gi *GoInstance) StartFunction(function Function) {
+	gi.function = function
+	gi.setupClient()
+	err := gi.setupProducer()
+	if err != nil {
+		log.Errorf("setup producer failed, error is:%s", err.Error())
 
 Review comment:
   if we fail to setup the producer, we should exit the instance.

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