badgerdb::InvalidSlotException Class Reference

An exception that is thrown when a slot that doesn't have data is requested from a page. More...

#include <invalid_slot_exception.h>

Inheritance diagram for badgerdb::InvalidSlotException:

List of all members.

Public Member Functions
	InvalidSlotException (const PageId page_num, const SlotId slot_num)
virtual PageId	page_number () const
virtual SlotId	slot_number () const
virtual const std::string &	message () const
virtual const char *	what () const throw ()
Protected Attributes
const PageId	page_number_
const SlotId	slot_number_
std::string	message_
Friends
std::ostream &	operator<< (std::ostream &out, const BadgerDbException &exception)

---

Detailed Description

An exception that is thrown when a slot that doesn't have data is requested from a page.

Definition at line 21 of file invalid_slot_exception.h.

---

Constructor & Destructor Documentation

badgerdb::InvalidSlotException::InvalidSlotException	(	const PageId	page_num,
		const SlotId	slot_num
	)

Constructs an invalid slot exception for the given page and slot.

Parameters:

page_num	Number of page containing slot.
slot_num	Number of slot which is invalid.

Definition at line 15 of file invalid_slot_exception.cpp.

    : BadgerDbException(""),
      page_number_(page_num),
      slot_number_(slot_num) {
  std::stringstream ss;
  ss << "Attempt to access a slot which is not currently in use."
     << " Page: " << page_number_ << " Slot: " << slot_number_;
  message_.assign(ss.str());
}

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Member Function Documentation

virtual const std::string& badgerdb::BadgerDbException::message

(

)

const [inline, virtual, inherited]

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 PageId badgerdb::InvalidSlotException::page_number

(

)

const [inline, virtual]

Returns the page number of the page containing the slot which caused this exception.

Definition at line 35 of file invalid_slot_exception.h.

{ return page_number_; }

virtual SlotId badgerdb::InvalidSlotException::slot_number

(

)

const [inline, virtual]

Returns the slot number of the slot which caused this exception.

Definition at line 40 of file invalid_slot_exception.h.

{ return slot_number_; }

virtual const char* badgerdb::BadgerDbException::what

(

)

const throw () [inline, virtual, inherited]

Returns a description of the exception.

Returns:

Description of the exception.

Definition at line 45 of file badgerdb_exception.h.

{ return message_.c_str(); }

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Friends And Related Function Documentation

std::ostream& operator<<	(	std::ostream &	out,
		const BadgerDbException &	exception
	)		[friend, inherited]

Formats this exception for printing on the given stream.

Parameters:

out	Stream to print exception to.
exception	Exception to print.

Returns:

Stream with exception printed.

Definition at line 54 of file badgerdb_exception.h.

                                                                      {
    out << exception.message();
    return out;
  }

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Member Data Documentation

std::string badgerdb::BadgerDbException::message_ [protected, inherited]

Message describing the problem that caused this exception.

Definition at line 64 of file badgerdb_exception.h.

const PageId badgerdb::InvalidSlotException::page_number_ [protected]

Page number of the page containing the slot which caused this exception.

Definition at line 46 of file invalid_slot_exception.h.

const SlotId badgerdb::InvalidSlotException::slot_number_ [protected]

Slot number of the slot which caused this exception.

Definition at line 51 of file invalid_slot_exception.h.

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

• /afs/cs.wisc.edu/p/course/cs564-jignesh/public/html/projects/BadgerDB/bufmgr/src/exceptions/invalid_slot_exception.h
• /afs/cs.wisc.edu/p/course/cs564-jignesh/public/html/projects/BadgerDB/bufmgr/src/exceptions/invalid_slot_exception.cpp