[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 | #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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