class IDField : public TableField

ID field

Inheritance:

IDField < TableField < Field < Debugable

Public Methods

Char*	IDField::AsString () Returns string representation of the value
Field*	IDField::CreateCopy () Returns identical object
Int	IDField::EqualTo (void *aValue) Decides if the value is equal to the parameter
Err	IDField::GetID (ID *anID) Returns value as an ID
	IDField::IDField (Char *aName, ID aValue, LogFile *aLogFile) Constructor of IDField
Err	IDField::ReadFromFile (File *aFile, Size *bytesToEORec) Reads the value from a file
Err	IDField::SetValue (Void *aValue) Sets the "value" to "*aValue"
Size	IDField::SizeOf () Returns size of string represening the value
Err	IDField::WriteToFile (File *aFile) Writes value to a File

Public

methods IDField (Char *aName, ID aValue = 0, LogFile *aLogFile = NULL) constructor virtual ~IDField () destructor virtual Field* CreateCopy () "copy constructor" virtual char* Print () debugging virtual Int EqualTo (void *aValue) data checking virtual Size SizeOf () Total size virtual Int IsFixed () has fixed size ? Err GetID (ID *anID) Return stored valued ID GetIDValue () Return stored valued virtual Err ReadFromFile (File *aFile, Size *bytesToEORec) Read field from file virtual Err WriteToFile (File *aFile) Write field to file

Protected

attributes ID value stored value

Inherited from TableField:

Inherited from Field:

Public Methods

Field::Field(Char *aName, LogFile *aLogFile)

Char* Field::GetName()

Int Field::NameEqualTo(Char *aName)

Void Field::SetName(Char *aName)

Field::~Field()

Inherited from Debugable:

Public Methods

string* Debugable::CreateString(char *firstStr, int firstInt, int secondInt)

Debugable::Debugable(LogFile * debugLogFile)

int Debugable::SetDebugOptions(int newLogOptions)

void Debugable::SetLogFile(LogFile *aLogFile)

void Debugable::WriteString(LogLevel debugLevel, char * format, ...)

Debugable::~Debugable()

attributes

ID value

stored value

methods

IDField(Char *aName, ID aValue = 0, LogFile *aLogFile = NULL)

constructor

virtual ~IDField()

destructor

virtual Field* CreateCopy()

"copy constructor"

virtual char* Print()

debugging

virtual Int EqualTo(void *aValue)

data checking

virtual Size SizeOf()

Total size

virtual Int IsFixed()

has fixed size ?

Err GetID(ID *anID)

Return stored valued

ID GetIDValue()

Return stored valued

virtual Err ReadFromFile(File *aFile, Size *bytesToEORec)

Read field from file

virtual Err WriteToFile(File *aFile)

Write field to file

Char* IDField::AsString()

Returns string representation of the value. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Field* IDField::CreateCopy()

Returns identical object. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Int IDField::EqualTo(void *aValue)

Decides if the value is equal to the parameter. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Err IDField::GetID(ID *anID)

Returns value as an ID. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

IDField::IDField(Char *aName, ID aValue, LogFile *aLogFile)

Constructor of IDField. This file contains the Field, IntField, StringField and FixedStringField classes which are used for inserting and retrieving information into/from a Record.

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Err IDField::ReadFromFile(File *aFile, Size *bytesToEORec)

Reads the value from a file. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Err IDField::SetValue(Void *aValue)

Sets the "value" to "*aValue". Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Size IDField::SizeOf()

Returns size of string represening the value. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Err IDField::WriteToFile(File *aFile)

Writes value to a File. Dlouhy_komentar

Returns:

co

Parameters:

parametr -

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

Direct child classes:

SizeField

Author:

Marek, Pavel

See Also:

co_se_toho_tyka

alphabetic index hierarchy of classes

generated by doc++