wiscdb::InvalidRecordException Class Reference

An exception that is thrown when a record is requested from a page that has a bad record ID. More...

#include <invalid_record_exception.h>

Inheritance diagram for wiscdb::InvalidRecordException:

Public Member Functions
	InvalidRecordException (const RecordId &rec_id, const PageId page_num)
virtual const RecordId &	record_id () const
virtual PageId	page_number () const
virtual const std::string &	message () const
virtual const char *	what () const throw ()

Protected Attributes
const RecordId	record_id_
const PageId	page_number_
std::string	message_

Detailed Description

An exception that is thrown when a record is requested from a page that has a bad record ID.

Definition at line 21 of file invalid_record_exception.h.

Constructor & Destructor Documentation

wiscdb::InvalidRecordException::InvalidRecordException	(	const RecordId &	rec_id,
		const PageId	page_num
	)

Constructs an invalid record exception for the given requested record ID and page number.

Parameters

rec_id	Requested record ID.
page_num	Page from which record is requested.

Definition at line 15 of file invalid_record_exception.cpp.

    : WiscDbException(""),
      record_id_(rec_id),
      page_number_(page_num) {
  std::stringstream ss;
  ss << "Request made for an invalid record."
     << " Record {page=" << record_id_.page_number
     << ", slot=" << record_id_.slot_number
     << "} from page " << page_number_;
  message_.assign(ss.str());
}

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.

{ return message_; }

virtual PageId wiscdb::InvalidRecordException::page_number ( ) const

inlinevirtual

Returns the page number of the page that caused this exception.

Definition at line 41 of file invalid_record_exception.h.

{ return page_number_; }

virtual const RecordId& wiscdb::InvalidRecordException::record_id ( ) const

inlinevirtual

Returns the requested record ID that caused this exception.

Definition at line 36 of file invalid_record_exception.h.

{ return record_id_; }

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.

{ return message_.c_str(); }

Member Data Documentation

std::string wiscdb::WiscDbException::message_

protectedinherited

Message describing the problem that caused this exception.

Definition at line 64 of file wiscdb_exception.h.

const PageId wiscdb::InvalidRecordException::page_number_

protected

Page number of page which caused this exception.

Definition at line 52 of file invalid_record_exception.h.

const RecordId wiscdb::InvalidRecordException::record_id_

protected

Record ID which caused this exception.

Definition at line 47 of file invalid_record_exception.h.

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

• invalid_record_exception.h
• invalid_record_exception.cpp