binarchive.hh
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上传日期:2018-01-08
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文件大小:3k
- /**
- * 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.
- */
- #ifndef BINARCHIVE_HH_
- #define BINARCHIVE_HH_
- #include "recordio.hh"
- namespace hadoop {
- class BinIndex : public Index {
- private:
- size_t size;
- public:
- BinIndex(size_t size_) { size = size_; }
- bool done() { return (size==0); }
- void incr() { size--; }
- ~BinIndex() {}
- };
-
- class IBinArchive : public IArchive {
- private:
- InStream& stream;
- public:
- IBinArchive(InStream& _stream) : stream(_stream) {}
- virtual void deserialize(int8_t& t, const char* tag);
- virtual void deserialize(bool& t, const char* tag);
- virtual void deserialize(int32_t& t, const char* tag);
- virtual void deserialize(int64_t& t, const char* tag);
- virtual void deserialize(float& t, const char* tag);
- virtual void deserialize(double& t, const char* tag);
- virtual void deserialize(std::string& t, const char* tag);
- virtual void deserialize(std::string& t, size_t& len, const char* tag);
- virtual void startRecord(Record& s, const char* tag);
- virtual void endRecord(Record& s, const char* tag);
- virtual Index* startVector(const char* tag);
- virtual void endVector(Index* idx, const char* tag);
- virtual Index* startMap(const char* tag);
- virtual void endMap(Index* idx, const char* tag);
- virtual ~IBinArchive();
- };
- class OBinArchive : public OArchive {
- private:
- OutStream& stream;
- public:
- OBinArchive(OutStream& _stream) : stream(_stream) {}
- virtual void serialize(int8_t t, const char* tag);
- virtual void serialize(bool t, const char* tag);
- virtual void serialize(int32_t t, const char* tag);
- virtual void serialize(int64_t t, const char* tag);
- virtual void serialize(float t, const char* tag);
- virtual void serialize(double t, const char* tag);
- virtual void serialize(const std::string& t, const char* tag);
- virtual void serialize(const std::string& t, size_t len, const char* tag);
- virtual void startRecord(const Record& s, const char* tag);
- virtual void endRecord(const Record& s, const char* tag);
- virtual void startVector(size_t len, const char* tag);
- virtual void endVector(size_t len, const char* tag);
- virtual void startMap(size_t len, const char* tag);
- virtual void endMap(size_t len, const char* tag);
- virtual ~OBinArchive();
- };
- }
- #endif /*BINARCHIVE_HH_*/