wisc_db
Public Member Functions | Protected Attributes | List of all members
wiscdb::BadBufferException Class Reference

An exception that is thrown when a buffer is found whose valid is false but other variables in BufDesc are assigned valid values. More...

#include <bad_buffer_exception.h>

Inheritance diagram for wiscdb::BadBufferException:
wiscdb::WiscDbException

Public Member Functions

 BadBufferException (FrameId frameNoIn, bool dirtyIn, bool validIn, bool refbitIn)
 
virtual const std::string & message () const
 
virtual const char * what () const throw ()
 

Protected Attributes

FrameId frameNo
 
bool dirty
 
bool valid
 
bool refbit
 
std::string message_
 

Detailed Description

An exception that is thrown when a buffer is found whose valid is false but other variables in BufDesc are assigned valid values.

Definition at line 20 of file bad_buffer_exception.h.

Constructor & Destructor Documentation

wiscdb::BadBufferException::BadBufferException ( FrameId  frameNoIn,
bool  dirtyIn,
bool  validIn,
bool  refbitIn 
)
explicit

Constructs a bad buffer exception for the given file.

Definition at line 15 of file bad_buffer_exception.cpp.

16  : WiscDbException(""), frameNo(frameNoIn), dirty(dirtyIn), valid(validIn), refbit(refbitIn) {
17  std::stringstream ss;
18  ss << "This buffer is bad: " << frameNo;
19  message_.assign(ss.str());
20 }
WiscDbException(const std::string &msg)

Member Function Documentation

virtual const std::string& wiscdb::WiscDbException::message ( ) const
inlinevirtualinherited

Returns a message describing the problem that caused this exception.

Returns
Message describing the problem that caused this exception.

Definition at line 38 of file wiscdb_exception.h.

38 { return message_; }
virtual const char* wiscdb::WiscDbException::what ( ) const
throw (
)
inlinevirtualinherited

Returns a description of the exception.

Returns
Description of the exception.

Definition at line 45 of file wiscdb_exception.h.

45 { return message_.c_str(); }

Member Data Documentation

bool wiscdb::BadBufferException::dirty
protected

True if buffer is dirty; false otherwise

Definition at line 36 of file bad_buffer_exception.h.

FrameId wiscdb::BadBufferException::frameNo
protected

Frame number of bad buffer

Definition at line 31 of file bad_buffer_exception.h.

std::string wiscdb::WiscDbException::message_
protectedinherited

Message describing the problem that caused this exception.

Definition at line 64 of file wiscdb_exception.h.

bool wiscdb::BadBufferException::refbit
protected

Has this buffer frame been reference recently

Definition at line 46 of file bad_buffer_exception.h.

bool wiscdb::BadBufferException::valid
protected

True if buffer is valid

Definition at line 41 of file bad_buffer_exception.h.


The documentation for this class was generated from the following files: