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 | #include "utils.hh" |
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20 | #include "recordTypeInfo.hh" |
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21 | |
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22 | using namespace hadoop; |
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23 | |
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24 | void Utils::skip(IArchive& a, const char* tag, const TypeID& typeID) |
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25 | { |
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26 | bool b; |
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27 | size_t len=0; |
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28 | ::std::string str; |
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29 | int8_t bt; |
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30 | double d; |
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31 | float f; |
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32 | int32_t i; |
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33 | int64_t l; |
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34 | |
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35 | switch(typeID.getTypeVal()) { |
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36 | case RIOTYPE_BOOL: |
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37 | a.deserialize(b, tag); |
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38 | break; |
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39 | case RIOTYPE_BUFFER: |
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40 | a.deserialize(str, len, tag); |
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41 | break; |
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42 | case RIOTYPE_BYTE: |
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43 | a.deserialize(bt, tag); |
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44 | break; |
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45 | case RIOTYPE_DOUBLE: |
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46 | a.deserialize(d, tag); |
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47 | break; |
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48 | case RIOTYPE_FLOAT: |
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49 | a.deserialize(f, tag); |
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50 | break; |
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51 | case RIOTYPE_INT: |
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52 | a.deserialize(i, tag); |
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53 | break; |
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54 | case RIOTYPE_LONG: |
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55 | a.deserialize(l, tag); |
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56 | break; |
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57 | case RIOTYPE_MAP: |
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58 | { |
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59 | // since we don't know the key, value types, |
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60 | // we need to deserialize in a generic manner |
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61 | Index* idx = a.startMap(tag); |
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62 | MapTypeID& mtID = (MapTypeID&) typeID; |
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63 | while (!idx->done()) { |
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64 | skip(a, tag, *(mtID.getKeyTypeID())); |
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65 | skip(a, tag, *(mtID.getValueTypeID())); |
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66 | idx->incr(); |
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67 | } |
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68 | a.endMap(idx, tag); |
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69 | } |
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70 | break; |
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71 | case RIOTYPE_STRING: |
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72 | a.deserialize(str, tag); |
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73 | break; |
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74 | case RIOTYPE_STRUCT: |
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75 | { |
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76 | // since we don't know the key, value types, |
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77 | // we need to deserialize in a generic manner |
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78 | // we need to pass a record in, though it's never used |
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79 | RecordTypeInfo rec; |
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80 | a.startRecord(rec, tag); |
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81 | StructTypeID& stID = (StructTypeID&) typeID; |
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82 | std::vector<FieldTypeInfo*>& typeInfos = stID.getFieldTypeInfos(); |
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83 | for (unsigned int i=0; i<typeInfos.size(); i++) { |
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84 | skip(a, tag, *(typeInfos[i]->getTypeID())); |
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85 | } |
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86 | a.endRecord(rec, tag); |
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87 | } |
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88 | break; |
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89 | case RIOTYPE_VECTOR: |
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90 | { |
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91 | // since we don't know the key, value types, |
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92 | // we need to deserialize in a generic manner |
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93 | Index* idx = a.startVector(tag); |
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94 | VectorTypeID& vtID = (VectorTypeID&) typeID; |
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95 | while (!idx->done()) { |
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96 | skip(a, tag, *(vtID.getElementTypeID())); |
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97 | idx->incr(); |
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98 | } |
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99 | a.endVector(idx, tag); |
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100 | } |
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101 | break; |
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102 | default: |
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103 | // shouldn't be here |
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104 | throw new IOException("Unknown typeID when skipping bytes"); |
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105 | break; |
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106 | }; |
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107 | |
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108 | } |
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109 | |
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