Xale::DataStructure::Table Class Reference

Mutable and persistent dataset. More...

#include <Table.h>

Inheritance diagram for Xale::DataStructure::Table:

Collaboration diagram for Xale::DataStructure::Table:

Public Member Functions
	Table (const std::string &name)
	Constructor.
const std::string &	getName () const override
	Get table name.
const std::vector< ColumnDefinition > &	getSchema () const override
	Get schema.
const std::vector< Row > &	getRows () const override
	Get all rows.
size_t	getRowCount () const override
	Get row count.
size_t	getColumnCount () const override
	Get column count.
bool	isEmpty () const override
	Check if empty.
bool	isMutable () const override
	Check if mutable.
void	addColumn (const ColumnDefinition &column)
	Add column definition.
bool	insertRow (const Row &row)
	Insert a row.
size_t	updateRows (const std::string &columnName, const FieldValue &value, const std::unordered_map< std::string, FieldValue > &updates)
	Update rows matching condition.
size_t	deleteRows (const std::string &columnName, const FieldValue &value)
	Delete rows matching condition.
std::vector< Row >	findRows (const std::string &columnName, const FieldValue &value) const
	Find rows by condition.
std::vector< char >	serialize () const
	Serialize table to binary format.

Static Public Member Functions
static Table	deserialize (const std::vector< char > &data)
	Deserialize table from binary format.

Detailed Description

Mutable and persistent dataset.

Constructor & Destructor Documentation

Table()

Xale::DataStructure::Table::Table ( const std::string & name )

explicit

Constructor.

Parameters

name	Table name

Member Function Documentation

addColumn()

void Xale::DataStructure::Table::addColumn

(

const ColumnDefinition &

column

)

Add column definition.

Parameters

column

Column definition

deleteRows()

size_t Xale::DataStructure::Table::deleteRows	(	const std::string &	columnName,
		const FieldValue &	value )

Delete rows matching condition.

Parameters

columnName	Column to filter
value	Value to match

Returns

Number of rows deleted

deserialize()

Table Xale::DataStructure::Table::deserialize ( const std::vector< char > & data )

static

Deserialize table from binary format.

Parameters

data	Vector of bytes containing serialized table

Returns

Deserialized Table object

findRows()

std::vector< Row > Xale::DataStructure::Table::findRows	(	const std::string &	columnName,
		const FieldValue &	value ) const

Find rows by condition.

Parameters

columnName	Column name to filter
value	Value to match

Returns

Vector of matching rows

getColumnCount()

size_t Xale::DataStructure::Table::getColumnCount ( ) const

overridevirtual

Get column count.

Returns

Number of columns

Implements Xale::DataStructure::IDataTemplate.

getName()

const std::string & Xale::DataStructure::Table::getName ( ) const

overridevirtual

Get table name.

Returns

Table name

Implements Xale::DataStructure::IDataTemplate.

getRowCount()

size_t Xale::DataStructure::Table::getRowCount ( ) const

overridevirtual

Get row count.

Returns

Number of rows

Implements Xale::DataStructure::IDataTemplate.

getRows()

const std::vector< Row > & Xale::DataStructure::Table::getRows ( ) const

overridevirtual

Get all rows.

Returns

Vector of rows

Implements Xale::DataStructure::IDataTemplate.

getSchema()

const std::vector< ColumnDefinition > & Xale::DataStructure::Table::getSchema ( ) const

overridevirtual

Get schema.

Returns

Vector of column definitions

Implements Xale::DataStructure::IDataTemplate.

insertRow()

bool Xale::DataStructure::Table::insertRow

(

const Row &

row

)

Insert a row.

Parameters

row	Row to insert

Returns

True if successful

Exceptions

DbException

if validation fails

isEmpty()

bool Xale::DataStructure::Table::isEmpty ( ) const

overridevirtual

Check if empty.

Returns

True if empty

Implements Xale::DataStructure::IDataTemplate.

isMutable()

bool Xale::DataStructure::Table::isMutable ( ) const

overridevirtual

Check if mutable.

Returns

Always true for Table

Implements Xale::DataStructure::IDataTemplate.

serialize()

std::vector< char > Xale::DataStructure::Table::serialize

(

)

const

Serialize table to binary format.

Returns

Vector of bytes containing serialized table

updateRows()

size_t Xale::DataStructure::Table::updateRows	(	const std::string &	columnName,
		const FieldValue &	value,
		const std::unordered_map< std::string, FieldValue > &	updates )

Update rows matching condition.

Parameters

columnName	Column to filter
value	Value to match
updates	Map of column names to new values

Returns

Number of rows updated

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

• include/DataStructure/Table.h
• src/DataStructure/Table.cpp