string_xml_database_exporter Class Reference

XML format exporter class to memory storage (i.e. More...

Inheritance diagram for string_xml_database_exporter:

Public Member Functions
	begin_database_export ($version, $release, $timestamp, $description)
	Callback function. More...
	begin_table_export (xmldb_table $table)
	Callback function. More...
	export_database ($description=null)
	Specific implementation for memory exporting the database: it clear the buffer and calls superclass. More...
	export_table_data (xmldb_table $table, $data)
	Callback function. More...
	finish_database_export ()
	Callback function. More...
	finish_table_export (xmldb_table $table)
	Callback function. More...
	get_output ()
	Returns the output of the exporters. More...

Protected Member Functions
	output ($text)
	Specific output method for the memory XML sink. More...

Protected Attributes
bool	$check_schema
	Boolean flag - whether or not to check that XML database schema matches the RDBMS database schema before exporting (used by. More...
string	$data
	String with XML data.
database_manager	$manager
	Database manager of the source database (a. More...
moodle_database	$mdb
	Connection to the source database (a. More...
xmldb_structure	$schema
	Source database schema in XMLDB format (a. More...

Detailed Description

XML format exporter class to memory storage (i.e.

a string).

Member Function Documentation

begin_database_export()

xml_database_exporter::begin_database_export (   $version,   $release,   $timestamp,   $description  )

inherited

Callback function.

Outputs open XML PI and moodle_database opening tag.

Parameters

float	$version	the version of the system which generating the data
string	$release	moodle release info
string	$timestamp	the timestamp of the data (in ISO 8601) format.
string	$description	a user description of the data.

Return values

void

Reimplemented from database_exporter.

begin_table_export()

xml_database_exporter::begin_table_export ( xmldb_table  $table )

inherited

Callback function.

Outputs table opening tag.

Parameters

xmldb_table

$table

- XMLDB object for the exported table

Return values

void

Reimplemented from database_exporter.

export_database()

string_xml_database_exporter::export_database

(

$description = null

)

Specific implementation for memory exporting the database: it clear the buffer and calls superclass.

See also

database_exporter::export_database().

Exceptions

dbtransfer_exception

if any checking (e.g. database schema) fails

Parameters

string

$description

a user description of the data.

Return values

void

Reimplemented from database_exporter.

export_table_data()

xml_database_exporter::export_table_data ( xmldb_table  $table,   $data  )

inherited

Callback function.

Outputs record tag with field subtags and data.

Parameters

xmldb_table	$table	- XMLDB object of the table from which data was retrieved
object	$data	- data object (fields and values from record)

Return values

void

Reimplemented from database_exporter.

finish_database_export()

xml_database_exporter::finish_database_export ( )

inherited

Callback function.

Outputs moodle_database closing tag.

Reimplemented from database_exporter.

finish_table_export()

xml_database_exporter::finish_table_export ( xmldb_table  $table )

inherited

Callback function.

Outputs table closing tag.

Parameters

xmldb_table

$table

- XMLDB object for the exported table

Reimplemented from database_exporter.

get_output()

string_xml_database_exporter::get_output

(

)

Returns the output of the exporters.

Return values

string

XML data from exporter

output()

string_xml_database_exporter::output (   $text )

protected

Specific output method for the memory XML sink.

Parameters

string

$text

Reimplemented from xml_database_exporter.

Member Data Documentation

$check_schema

bool database_exporter::$check_schema

protectedinherited

Boolean flag - whether or not to check that XML database schema matches the RDBMS database schema before exporting (used by.

See also

export_database).

$manager

database_manager database_exporter::$manager

protectedinherited

Database manager of the source database (a.

See also

database_manager object).

$mdb

moodle_database database_exporter::$mdb

protectedinherited

Connection to the source database (a.

See also

moodle_database object).

$schema

xmldb_structure database_exporter::$schema

protectedinherited

Source database schema in XMLDB format (a.

See also

xmldb_structure object).

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

• lib/dtl/string_xml_database_exporter.php