rocksdb/thrift/lib/cpp/TApplicationException.h

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// Copyright (c) 2006- Facebook
// Distributed under the Thrift Software License
//
// See accompanying file LICENSE or visit the Thrift site at:
// http://developers.facebook.com/thrift/
#ifndef _THRIFT_TAPPLICATIONEXCEPTION_H_
#define _THRIFT_TAPPLICATIONEXCEPTION_H_ 1
#include "thrift/lib/cpp/Thrift.h"
namespace apache { namespace thrift {
namespace protocol {
class TProtocol;
}
/**
* This class is thrown when some high-level communication errors with
* the remote peer occur, and also when a server throws an unexpected
* exception from a handler method. Because of the latter case, this
* class can be serialized.
*/
class TApplicationException : public TException {
public:
/**
* Error codes for the various types of exceptions.
*/
enum TApplicationExceptionType
{ UNKNOWN = 0
, UNKNOWN_METHOD = 1
, INVALID_MESSAGE_TYPE = 2
, WRONG_METHOD_NAME = 3
, BAD_SEQUENCE_ID = 4
, MISSING_RESULT = 5
, INVALID_TRANSFORM = 6
, INVALID_PROTOCOL = 7
, UNSUPPORTED_CLIENT_TYPE = 8
};
TApplicationException() :
type_(UNKNOWN) {}
TApplicationException(TApplicationExceptionType type) :
type_(type) {}
TApplicationException(const std::string& message) :
message_(message),
type_(UNKNOWN) {}
TApplicationException(TApplicationExceptionType type,
const std::string& message) :
message_(message),
type_(type) {}
virtual ~TApplicationException() throw() {}
/**
* Returns an error code that provides information about the type of error
* that has occurred.
*
* @return Error code
*/
TApplicationExceptionType getType() {
return type_;
}
virtual const char* what() const throw() {
if (message_.empty()) {
switch (type_) {
case UNKNOWN : return "TApplicationException: Unknown application exception";
case UNKNOWN_METHOD : return "TApplicationException: Unknown method";
case INVALID_MESSAGE_TYPE : return "TApplicationException: Invalid message type";
case WRONG_METHOD_NAME : return "TApplicationException: Wrong method name";
case BAD_SEQUENCE_ID : return "TApplicationException: Bad sequence identifier";
case MISSING_RESULT : return "TApplicationException: Missing result";
case INVALID_TRANSFORM :
return "TApplicationException: Invalid transform";
case INVALID_PROTOCOL :
return "TApplicationException: Invalid protocol";
case UNSUPPORTED_CLIENT_TYPE:
return "TApplicationException: Unsupported client type";
default : return "TApplicationException: (Invalid exception type)";
};
} else {
return message_.c_str();
}
}
uint32_t read(protocol::TProtocol* iprot);
uint32_t write(protocol::TProtocol* oprot) const;
protected:
std::string message_;
/**
* Error code
*/
TApplicationExceptionType type_;
};
}} // apache::thrift
#endif // #ifndef _THRIFT_TAPPLICATIONEXCEPTION_H_