Github user ajantha-bhat commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2837#discussion_r228700880
--- Diff: store/CSDK/src/CarbonWriter.cpp ---
@@ -0,0 +1,161 @@
+/*
+ * 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 <stdexcept>
+#include "CarbonWriter.h"
+
+void CarbonWriter::builder(JNIEnv *env) {
+ if (env == NULL) {
+ throw std::runtime_error("JNIEnv parameter can't be NULL.");
+ }
+ jniEnv = env;
+ carbonWriter =
env->FindClass("org/apache/carbondata/sdk/file/CarbonWriter");
+ if (carbonWriter == NULL) {
+ throw std::runtime_error("Can't find the class in java:
org/apache/carbondata/sdk/file/CarbonWriter");
+ }
+ jmethodID carbonWriterBuilderID = env->GetStaticMethodID(carbonWriter,
"builder",
+ "()Lorg/apache/carbondata/sdk/file/CarbonWriterBuilder;");
+ if (carbonWriterBuilderID == NULL) {
+ throw std::runtime_error("Can't find the method in java:
carbonWriterBuilder");
+ }
+ carbonWriterBuilderObject = env->CallStaticObjectMethod(carbonWriter,
carbonWriterBuilderID);
+}
+
+bool CarbonWriter::checkBuilder() {
+ if (carbonWriterBuilderObject == NULL) {
+ throw std::runtime_error("carbonWriterBuilder Object can't be
NULL. Please call builder method first.");
+ }
+}
+
+void CarbonWriter::outputPath(char *path) {
+ if (path == NULL) {
+ throw std::runtime_error("path parameter can't be NULL.");
+ }
+ checkBuilder();
--- End diff --
This logic is required for carbon Reader also in CarbonReader.cpp
for API which is called after builder. please add
---