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523 lines
18 KiB
523 lines
18 KiB
// Copyright (c) 2006- Facebook
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// Distributed under the Thrift Software License
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//
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// See accompanying file LICENSE or visit the Thrift site at:
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// http://developers.facebook.com/thrift/
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#ifndef _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_
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#define _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_ 1
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#include "thrift/lib/cpp/protocol/TProtocol.h"
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namespace apache { namespace thrift { namespace protocol {
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/**
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* Helper class that provides default implementations of TProtocol methods.
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*
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* This class provides default implementations of the non-virtual TProtocol
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* methods. It exists primarily so TVirtualProtocol can derive from it. It
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* prevents TVirtualProtocol methods from causing infinite recursion if the
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* non-virtual methods are not overridden by the TVirtualProtocol subclass.
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*
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* You probably don't want to use this class directly. Use TVirtualProtocol
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* instead.
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*/
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class TProtocolDefaults : public TProtocol {
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public:
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void setVersion(const int8_t version) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support setVersion (yet)");
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}
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uint32_t readMessageBegin(std::string& name,
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TMessageType& messageType,
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int32_t& seqid) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readMessageEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readStructBegin(std::string& name) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readStructEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readFieldBegin(std::string& name,
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TType& fieldType,
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int16_t& fieldId) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readFieldEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readMapBegin(TType& keyType, TType& valType, uint32_t& size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readMapEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readListBegin(TType& elemType, uint32_t& size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readListEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readSetBegin(TType& elemType, uint32_t& size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readSetEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readBool(bool& value) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readBool(std::vector<bool>::reference value) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readByte(int8_t& byte) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readI16(int16_t& i16) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readI32(int32_t& i32) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readI64(int64_t& i64) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readDouble(double& dub) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readString(std::string& str) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t readBinary(std::string& str) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support reading (yet).");
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}
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uint32_t writeMessageBegin(const std::string& name,
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const TMessageType messageType,
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const int32_t seqid) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeMessageEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeStructBegin(const char* name) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeStructEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeFieldBegin(const char* name,
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const TType fieldType,
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const int16_t fieldId) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeFieldEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeFieldStop() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeMapBegin(const TType keyType,
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const TType valType,
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const uint32_t size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeMapEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeListBegin(const TType elemType, const uint32_t size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeListEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeSetBegin(const TType elemType, const uint32_t size) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeSetEnd() {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeBool(const bool value) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeByte(const int8_t byte) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeI16(const int16_t i16) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeI32(const int32_t i32) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeI64(const int64_t i64) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeDouble(const double dub) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeString(const std::string& str) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t writeBinary(const std::string& str) {
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throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
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"this protocol does not support writing (yet).");
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}
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uint32_t skip(TType type) {
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return ::apache::thrift::protocol::skip(*this, type);
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}
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protected:
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TProtocolDefaults(const boost::shared_ptr<transport::TTransport>& ptrans)
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: TProtocol(ptrans)
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{}
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TProtocolDefaults(transport::TTransport* ptrans)
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: TProtocol(ptrans)
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{}
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};
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/**
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* Concrete TProtocol classes should inherit from TVirtualProtocol
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* so they don't have to manually override virtual methods.
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*
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* @author David Reiss <dreiss@facebook.com>
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*/
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template <class Protocol_, class Super_=TProtocolDefaults>
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class TVirtualProtocol : public Super_ {
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public:
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virtual void setVersion_virt(const int8_t version) {
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return static_cast<Protocol_*>(this)->setVersion(version);
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}
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/**
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* Writing functions.
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*/
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virtual uint32_t writeMessageBegin_virt(const std::string& name,
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const TMessageType messageType,
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const int32_t seqid) {
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return static_cast<Protocol_*>(this)->writeMessageBegin(name, messageType,
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seqid);
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}
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virtual uint32_t writeMessageEnd_virt() {
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return static_cast<Protocol_*>(this)->writeMessageEnd();
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}
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virtual uint32_t writeStructBegin_virt(const char* name) {
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return static_cast<Protocol_*>(this)->writeStructBegin(name);
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}
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virtual uint32_t writeStructEnd_virt() {
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return static_cast<Protocol_*>(this)->writeStructEnd();
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}
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virtual uint32_t writeFieldBegin_virt(const char* name,
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const TType fieldType,
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const int16_t fieldId) {
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return static_cast<Protocol_*>(this)->writeFieldBegin(name, fieldType,
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fieldId);
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}
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virtual uint32_t writeFieldEnd_virt() {
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return static_cast<Protocol_*>(this)->writeFieldEnd();
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}
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virtual uint32_t writeFieldStop_virt() {
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return static_cast<Protocol_*>(this)->writeFieldStop();
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}
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virtual uint32_t writeMapBegin_virt(const TType keyType,
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const TType valType,
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const uint32_t size) {
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return static_cast<Protocol_*>(this)->writeMapBegin(keyType, valType, size);
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}
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virtual uint32_t writeMapEnd_virt() {
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return static_cast<Protocol_*>(this)->writeMapEnd();
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}
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virtual uint32_t writeListBegin_virt(const TType elemType,
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const uint32_t size) {
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return static_cast<Protocol_*>(this)->writeListBegin(elemType, size);
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}
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virtual uint32_t writeListEnd_virt() {
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return static_cast<Protocol_*>(this)->writeListEnd();
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}
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virtual uint32_t writeSetBegin_virt(const TType elemType,
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const uint32_t size) {
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return static_cast<Protocol_*>(this)->writeSetBegin(elemType, size);
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}
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virtual uint32_t writeSetEnd_virt() {
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return static_cast<Protocol_*>(this)->writeSetEnd();
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}
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virtual uint32_t writeBool_virt(const bool value) {
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return static_cast<Protocol_*>(this)->writeBool(value);
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}
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virtual uint32_t writeByte_virt(const int8_t byte) {
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return static_cast<Protocol_*>(this)->writeByte(byte);
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}
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virtual uint32_t writeI16_virt(const int16_t i16) {
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return static_cast<Protocol_*>(this)->writeI16(i16);
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}
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virtual uint32_t writeI32_virt(const int32_t i32) {
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return static_cast<Protocol_*>(this)->writeI32(i32);
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}
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virtual uint32_t writeI64_virt(const int64_t i64) {
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return static_cast<Protocol_*>(this)->writeI64(i64);
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}
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virtual uint32_t writeDouble_virt(const double dub) {
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return static_cast<Protocol_*>(this)->writeDouble(dub);
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}
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virtual uint32_t writeString_virt(const std::string& str) {
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return static_cast<Protocol_*>(this)->writeString(str);
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}
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virtual uint32_t writeBinary_virt(const std::string& str) {
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return static_cast<Protocol_*>(this)->writeBinary(str);
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}
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/**
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* Reading functions
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*/
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virtual uint32_t readMessageBegin_virt(std::string& name,
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TMessageType& messageType,
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int32_t& seqid) {
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return static_cast<Protocol_*>(this)->readMessageBegin(name, messageType,
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seqid);
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}
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virtual uint32_t readMessageEnd_virt() {
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return static_cast<Protocol_*>(this)->readMessageEnd();
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}
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virtual uint32_t readStructBegin_virt(std::string& name) {
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return static_cast<Protocol_*>(this)->readStructBegin(name);
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}
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virtual uint32_t readStructEnd_virt() {
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return static_cast<Protocol_*>(this)->readStructEnd();
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}
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virtual uint32_t readFieldBegin_virt(std::string& name,
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TType& fieldType,
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int16_t& fieldId) {
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return static_cast<Protocol_*>(this)->readFieldBegin(name, fieldType,
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fieldId);
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}
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virtual uint32_t readFieldEnd_virt() {
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return static_cast<Protocol_*>(this)->readFieldEnd();
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}
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virtual uint32_t readMapBegin_virt(TType& keyType,
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TType& valType,
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uint32_t& size) {
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return static_cast<Protocol_*>(this)->readMapBegin(keyType, valType, size);
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}
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virtual uint32_t readMapEnd_virt() {
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return static_cast<Protocol_*>(this)->readMapEnd();
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}
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virtual uint32_t readListBegin_virt(TType& elemType,
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uint32_t& size) {
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return static_cast<Protocol_*>(this)->readListBegin(elemType, size);
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}
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virtual uint32_t readListEnd_virt() {
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return static_cast<Protocol_*>(this)->readListEnd();
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}
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virtual uint32_t readSetBegin_virt(TType& elemType,
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uint32_t& size) {
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return static_cast<Protocol_*>(this)->readSetBegin(elemType, size);
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}
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virtual uint32_t readSetEnd_virt() {
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return static_cast<Protocol_*>(this)->readSetEnd();
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}
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virtual uint32_t readBool_virt(bool& value) {
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return static_cast<Protocol_*>(this)->readBool(value);
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}
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virtual uint32_t readBool_virt(std::vector<bool>::reference value) {
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return static_cast<Protocol_*>(this)->readBool(value);
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}
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virtual uint32_t readByte_virt(int8_t& byte) {
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return static_cast<Protocol_*>(this)->readByte(byte);
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}
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virtual uint32_t readI16_virt(int16_t& i16) {
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return static_cast<Protocol_*>(this)->readI16(i16);
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}
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virtual uint32_t readI32_virt(int32_t& i32) {
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return static_cast<Protocol_*>(this)->readI32(i32);
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}
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virtual uint32_t readI64_virt(int64_t& i64) {
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return static_cast<Protocol_*>(this)->readI64(i64);
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}
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virtual uint32_t readDouble_virt(double& dub) {
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return static_cast<Protocol_*>(this)->readDouble(dub);
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}
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virtual uint32_t readString_virt(std::string& str) {
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return static_cast<Protocol_*>(this)->readString(str);
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}
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virtual uint32_t readBinary_virt(std::string& str) {
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return static_cast<Protocol_*>(this)->readBinary(str);
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}
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virtual uint32_t skip_virt(TType type) {
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return static_cast<Protocol_*>(this)->skip(type);
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}
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/*
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* Provide a default skip() implementation that uses non-virtual read
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* methods.
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*
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* Note: subclasses that use TVirtualProtocol to derive from another protocol
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* implementation (i.e., not TProtocolDefaults) should beware that this may
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* override any non-default skip() implementation provided by the parent
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* transport class. They may need to explicitly redefine skip() to call the
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* correct parent implementation, if desired.
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*/
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uint32_t skip(TType type) {
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Protocol_* const prot = static_cast<Protocol_*>(this);
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return ::apache::thrift::protocol::skip(*prot, type);
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}
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/*
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* Provide a default readBool() implementation for use with
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* std::vector<bool>, that behaves the same as reading into a normal bool.
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*
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* Subclasses can override this if desired, but there normally shouldn't
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* be a need to.
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*/
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uint32_t readBool(std::vector<bool>::reference value) {
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bool b = false;
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uint32_t ret = static_cast<Protocol_*>(this)->readBool(b);
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value = b;
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return ret;
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}
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using Super_::readBool; // so we don't hide readBool(bool&)
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protected:
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TVirtualProtocol(const boost::shared_ptr<transport::TTransport>& ptrans)
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: Super_(ptrans)
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{}
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TVirtualProtocol(transport::TTransport* ptrans)
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: Super_(ptrans)
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{}
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};
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}}} // apache::thrift::protocol
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#endif // #define _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_ 1
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