badgerdb::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 badgerdb::BadBufferException:

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

badgerdb::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.

    : BadgerDbException(""), frameNo(frameNoIn), dirty(dirtyIn), valid(validIn), refbit(refbitIn) {
  std::stringstream ss;
  ss << "This buffer is bad: " << frameNo;
  message_.assign(ss.str());
}

Member Function Documentation

virtual const std::string& badgerdb::BadgerDbException::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 badgerdb_exception.h.

{ return message_; }

virtual const char* badgerdb::BadgerDbException::what ( ) const throw ( )

inlinevirtualinherited

Returns a description of the exception.

Returns

Description of the exception.

Definition at line 45 of file badgerdb_exception.h.

{ return message_.c_str(); }

Member Data Documentation

bool badgerdb::BadBufferException::dirty

protected

True if buffer is dirty; false otherwise

Definition at line 36 of file bad_buffer_exception.h.

FrameId badgerdb::BadBufferException::frameNo

protected

Frame number of bad buffer

Definition at line 31 of file bad_buffer_exception.h.

std::string badgerdb::BadgerDbException::message_

protectedinherited

Message describing the problem that caused this exception.

Definition at line 64 of file badgerdb_exception.h.

bool badgerdb::BadBufferException::refbit

protected

Has this buffer frame been reference recently

Definition at line 46 of file bad_buffer_exception.h.

bool badgerdb::BadBufferException::valid

protected

True if buffer is valid

Definition at line 41 of file bad_buffer_exception.h.

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

• /afs/cs.wisc.edu/u/h/a/haiyun/private/cs564-spr17/projects/p2/BufMgr/src/exceptions/bad_buffer_exception.h
• /afs/cs.wisc.edu/u/h/a/haiyun/private/cs564-spr17/projects/p2/BufMgr/src/exceptions/bad_buffer_exception.cpp