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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