| /* |
| * 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 "CarbonSchemaReader.h" |
| |
| CarbonSchemaReader::CarbonSchemaReader(JNIEnv *env) { |
| if (env == NULL) { |
| throw std::runtime_error("JNIEnv parameter can't be NULL."); |
| } |
| this->carbonSchemaReaderClass = env->FindClass("org/apache/carbondata/sdk/file/CarbonSchemaReader"); |
| if (carbonSchemaReaderClass == NULL) { |
| throw std::runtime_error("Can't find the class in java: org/apache/carbondata/sdk/file/CarbonSchemaReader"); |
| } |
| this->jniEnv = env; |
| } |
| |
| jobject CarbonSchemaReader::readSchema(char *path) { |
| Configuration conf(jniEnv); |
| return readSchema(path, conf); |
| } |
| |
| jobject CarbonSchemaReader::readSchema(char *path, Configuration conf) { |
| if (path == NULL) { |
| throw std::runtime_error("path parameter can't be NULL."); |
| } |
| jmethodID methodID = jniEnv->GetStaticMethodID(carbonSchemaReaderClass, "readSchema", |
| "(Ljava/lang/String;Lorg/apache/hadoop/conf/Configuration;)Lorg/apache/carbondata/sdk/file/Schema;"); |
| if (methodID == NULL) { |
| throw std::runtime_error("Can't find the method in java: readSchema"); |
| } |
| jstring jPath = jniEnv->NewStringUTF(path); |
| jvalue args[2]; |
| args[0].l = jPath; |
| args[1].l = conf.getConfigurationObject(); |
| jobject result = jniEnv->CallStaticObjectMethodA(carbonSchemaReaderClass, methodID, args); |
| if (jniEnv->ExceptionCheck()) { |
| throw jniEnv->ExceptionOccurred(); |
| } |
| return result; |
| } |
| |
| jobject CarbonSchemaReader::readSchema(char *path, bool validateSchema, Configuration conf) { |
| if (path == NULL) { |
| throw std::runtime_error("path parameter can't be NULL."); |
| } |
| jmethodID methodID = jniEnv->GetStaticMethodID(carbonSchemaReaderClass, "readSchema", |
| "(Ljava/lang/String;ZLorg/apache/hadoop/conf/Configuration;)Lorg/apache/carbondata/sdk/file/Schema;"); |
| if (methodID == NULL) { |
| throw std::runtime_error("Can't find the method in java: readSchema"); |
| } |
| jstring jPath = jniEnv->NewStringUTF(path); |
| jvalue args[3]; |
| args[0].l = jPath; |
| args[1].z = validateSchema; |
| args[2].l = conf.getConfigurationObject(); |
| jobject result = jniEnv->CallStaticObjectMethodA(carbonSchemaReaderClass, methodID, args); |
| if (jniEnv->ExceptionCheck()) { |
| throw jniEnv->ExceptionOccurred(); |
| } |
| return result; |
| } |
| |
| jobject CarbonSchemaReader::readSchema(char *path, bool validateSchema) { |
| Configuration conf(jniEnv); |
| return readSchema(path, validateSchema, conf); |
| } |