CodeGenerator.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * 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 org.apache.hadoop.record.compiler;
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.HashMap;
- /**
- * CodeGenerator is a Factory and a base class for Hadoop Record I/O translators.
- * Different translators register creation methods with this factory.
- */
- abstract class CodeGenerator {
-
- private static HashMap<String, CodeGenerator> generators =
- new HashMap<String, CodeGenerator>();
-
- static {
- register("c", new CGenerator());
- register("c++", new CppGenerator());
- register("java", new JavaGenerator());
- }
-
- static void register(String lang, CodeGenerator gen) {
- generators.put(lang, gen);
- }
-
- static CodeGenerator get(String lang) {
- return generators.get(lang);
- }
-
- abstract void genCode(String file,
- ArrayList<JFile> inclFiles,
- ArrayList<JRecord> records,
- String destDir,
- ArrayList<String> options) throws IOException;
- }