[GitHub] [pulsar-client-node] massakam commented on a diff in pull request #81: Support seting topic schema when creating producers/consumers

[GitBox <gi...@apache.org>]

massakam commented on code in PR #81:
URL: https://github.com/apache/pulsar-client-node/pull/81#discussion_r906928647


##########
src/SchemaInfo.cc:
##########
@@ -0,0 +1,78 @@
+/**
+ * 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.
+ */
+#include "SchemaInfo.h"
+#include <map>
+
+static const std::string CFG_SCHEMA_TYPE = "schemaType";
+static const std::string CFG_NAME = "name";
+static const std::string CFG_SCHEMA = "schema";
+static const std::string CFG_PROPS = "properties";
+
+static const std::map<std::string, pulsar_schema_type> SCHEMA_TYPE = {{"None", pulsar_None},
+                                                                      {"String", pulsar_String},
+                                                                      {"Json", pulsar_Json},
+                                                                      {"Protobuf", pulsar_Protobuf},
+                                                                      {"Avro", pulsar_Avro},
+                                                                      {"Boolean", pulsar_Boolean},
+                                                                      {"Int8", pulsar_Int8},
+                                                                      {"Int16", pulsar_Int16},
+                                                                      {"Int32", pulsar_Int32},
+                                                                      {"Int64", pulsar_Int64},
+                                                                      {"Float32", pulsar_Float32},
+                                                                      {"Float64", pulsar_Float64},
+                                                                      {"KeyValue", pulsar_KeyValue},
+                                                                      {"Bytes", pulsar_Bytes},
+                                                                      {"AutoConsume", pulsar_AutoConsume},
+                                                                      {"AutoPublish", pulsar_AutoPublish}};
+
+SchemaInfo::SchemaInfo(const Napi::Object &schemaInfo) : cSchemaType(pulsar_Bytes), name("BYTES"), schema() {
+  this->cProperties = pulsar_string_map_create();
+  if (schemaInfo.Has(CFG_SCHEMA_TYPE) && schemaInfo.Get(CFG_SCHEMA_TYPE).IsString()) {
+    this->name = schemaInfo.Get(CFG_SCHEMA_TYPE).ToString().Utf8Value();
+    this->cSchemaType = SCHEMA_TYPE.at(schemaInfo.Get(CFG_SCHEMA_TYPE).ToString().Utf8Value());
+  }
+  if (schemaInfo.Has(CFG_NAME) && schemaInfo.Get(CFG_NAME).IsString()) {
+    this->name = schemaInfo.Get(CFG_NAME).ToString().Utf8Value();
+  }
+  if (schemaInfo.Has(CFG_SCHEMA) && schemaInfo.Get(CFG_SCHEMA).IsString()) {
+    this->schema = schemaInfo.Get(CFG_SCHEMA).ToString().Utf8Value();
+  }
+  if (schemaInfo.Has(CFG_PROPS) && schemaInfo.Get(CFG_PROPS).IsObject()) {
+    Napi::Object propObj = schemaInfo.Get(CFG_PROPS).ToObject();
+    Napi::Array arr = propObj.GetPropertyNames();
+    int size = arr.Length();
+    for (int i = 0; i < size; i++) {
+      Napi::String key = arr.Get(i).ToString();
+      Napi::String value = propObj.Get(key).ToString();
+      pulsar_string_map_put(this->cProperties, key.Utf8Value().c_str(), value.Utf8Value().c_str());
+    }
+  }
+}
+
+void SchemaInfo::SetProducerSchema(pulsar_producer_configuration_t *cProducerConfiguration) {
+  pulsar_producer_configuration_set_schema_info(cProducerConfiguration, this->cSchemaType, this->name.c_str(),

Review Comment:
   ```suggestion
   void SchemaInfo::SetProducerSchema(std::shared_ptr<pulsar_producer_configuration_t> cProducerConfiguration) {
     pulsar_producer_configuration_set_schema_info(cProducerConfiguration.get(), this->cSchemaType, this->name.c_str(),
   ```



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