mirror of https://github.com/facebook/rocksdb.git
109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
// 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_TAPPLICATIONEXCEPTION_H_
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#define _THRIFT_TAPPLICATIONEXCEPTION_H_ 1
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#include "thrift/lib/cpp/Thrift.h"
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namespace apache { namespace thrift {
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namespace protocol {
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class TProtocol;
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}
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/**
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* This class is thrown when some high-level communication errors with
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* the remote peer occur, and also when a server throws an unexpected
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* exception from a handler method. Because of the latter case, this
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* class can be serialized.
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*/
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class TApplicationException : public TException {
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public:
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/**
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* Error codes for the various types of exceptions.
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*/
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enum TApplicationExceptionType
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{ UNKNOWN = 0
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, UNKNOWN_METHOD = 1
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, INVALID_MESSAGE_TYPE = 2
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, WRONG_METHOD_NAME = 3
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, BAD_SEQUENCE_ID = 4
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, MISSING_RESULT = 5
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, INVALID_TRANSFORM = 6
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, INVALID_PROTOCOL = 7
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, UNSUPPORTED_CLIENT_TYPE = 8
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};
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TApplicationException() :
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type_(UNKNOWN) {}
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TApplicationException(TApplicationExceptionType type) :
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type_(type) {}
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TApplicationException(const std::string& message) :
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message_(message),
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type_(UNKNOWN) {}
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TApplicationException(TApplicationExceptionType type,
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const std::string& message) :
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message_(message),
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type_(type) {}
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virtual ~TApplicationException() throw() {}
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/**
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* Returns an error code that provides information about the type of error
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* that has occurred.
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*
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* @return Error code
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*/
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TApplicationExceptionType getType() {
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return type_;
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}
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virtual const char* what() const throw() {
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if (message_.empty()) {
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switch (type_) {
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case UNKNOWN : return "TApplicationException: Unknown application exception";
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case UNKNOWN_METHOD : return "TApplicationException: Unknown method";
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case INVALID_MESSAGE_TYPE : return "TApplicationException: Invalid message type";
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case WRONG_METHOD_NAME : return "TApplicationException: Wrong method name";
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case BAD_SEQUENCE_ID : return "TApplicationException: Bad sequence identifier";
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case MISSING_RESULT : return "TApplicationException: Missing result";
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case INVALID_TRANSFORM :
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return "TApplicationException: Invalid transform";
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case INVALID_PROTOCOL :
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return "TApplicationException: Invalid protocol";
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case UNSUPPORTED_CLIENT_TYPE:
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return "TApplicationException: Unsupported client type";
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default : return "TApplicationException: (Invalid exception type)";
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};
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} else {
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return message_.c_str();
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}
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}
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uint32_t read(protocol::TProtocol* iprot);
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uint32_t write(protocol::TProtocol* oprot) const;
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protected:
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std::string message_;
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/**
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* Error code
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*/
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TApplicationExceptionType type_;
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};
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}} // apache::thrift
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#endif // #ifndef _THRIFT_TAPPLICATIONEXCEPTION_H_
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