[120] | 1 | /** |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
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| 3 | * or more contributor license agreements. See the NOTICE file |
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| 4 | * distributed with this work for additional information |
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| 5 | * regarding copyright ownership. The ASF licenses this file |
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| 6 | * to you under the Apache License, Version 2.0 (the |
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| 7 | * "License"); you may not use this file except in compliance |
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| 8 | * with the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | |
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| 19 | package org.apache.hadoop.record.compiler; |
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| 20 | |
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| 21 | import java.io.IOException; |
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| 22 | import java.util.ArrayList; |
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| 23 | import java.util.HashMap; |
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| 24 | |
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| 25 | /** |
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| 26 | * CodeGenerator is a Factory and a base class for Hadoop Record I/O translators. |
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| 27 | * Different translators register creation methods with this factory. |
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| 28 | */ |
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| 29 | abstract class CodeGenerator { |
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| 30 | |
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| 31 | private static HashMap<String, CodeGenerator> generators = |
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| 32 | new HashMap<String, CodeGenerator>(); |
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| 33 | |
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| 34 | static { |
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| 35 | register("c", new CGenerator()); |
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| 36 | register("c++", new CppGenerator()); |
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| 37 | register("java", new JavaGenerator()); |
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| 38 | } |
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| 39 | |
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| 40 | static void register(String lang, CodeGenerator gen) { |
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| 41 | generators.put(lang, gen); |
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| 42 | } |
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| 43 | |
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| 44 | static CodeGenerator get(String lang) { |
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| 45 | return generators.get(lang); |
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| 46 | } |
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| 47 | |
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| 48 | abstract void genCode(String file, |
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| 49 | ArrayList<JFile> inclFiles, |
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| 50 | ArrayList<JRecord> records, |
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| 51 | String destDir, |
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| 52 | ArrayList<String> options) throws IOException; |
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| 53 | } |
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