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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
/**
* Piwik_Archive_Array is used to store multiple archives,
* for example one archive for a given day for each Piwik website
*
* @package Piwik
* @subpackage Piwik_Archive
*/
abstract class Piwik_Archive_Array extends Piwik_Archive
{
/**
* This array contains one Piwik_Archive per entry in the period
*
* @var Piwik_Archive[]
*/
protected $archives = array();
abstract protected function getIndexName();
abstract protected function getDataTableLabelValue( $archive );
/**
* Destructor
*/
public function __destruct()
{
foreach($this->archives as $archive)
{
destroy($archive);
}
$this->archives = array();
}
/**
* Prepares each archive in the array
*/
public function prepareArchive()
{
foreach($this->archives as $archive)
{
$archive->prepareArchive();
}
}
/**
* Returns a newly created Piwik_DataTable_Array.
*
* @return Piwik_DataTable_Array
*/
protected function getNewDataTableArray()
{
$table = new Piwik_DataTable_Array();
$table->setKeyName($this->getIndexName());
return $table;
}
/**
* Returns a DataTable_Array containing numeric values
* of the element $name from the archives in this Archive_Array.
*
* @param string $name Name of the mysql table field to load eg. Referers_distinctKeywords
* @return Piwik_DataTable_Array containing the requested numeric value for each Archive
*/
public function getNumeric( $name )
{
$table = $this->getNewDataTableArray();
foreach($this->archives as $archive)
{
$numeric = $archive->getNumeric( $name ) ;
$subTable = $archive->makeDataTable($isSimple = true);
$subTable->addRowsFromArray( array( $numeric ) );
$table->addTable($subTable, $this->getDataTableLabelValue($archive));
}
return $table;
}
/**
* Returns a DataTable_Array containing values
* of the element $name from the archives in this Archive_Array.
*
* The value to be returned are blob values (stored in the archive_numeric_* tables in the DB). *
* It can return anything from strings, to serialized PHP arrays or PHP objects, etc.
*
* @param string $name Name of the mysql table field to load eg. Referers_keywordBySearchEngine
* @return Piwik_DataTable_Array containing the requested blob values for each Archive
*/
public function getBlob( $name )
{
$table = $this->getNewDataTableArray();
foreach($this->archives as $archive)
{
$blob = $archive->getBlob( $name ) ;
$subTable = $archive->makeNewDataTable($isSimple = true);
$subTable->addRowsFromArray( array('blob' => $blob));
$table->addTable($subTable, $this->getDataTableLabelValue($archive));
}
return $table;
}
/**
* Given a BLOB field name (eg. 'Referers_searchEngineByKeyword'), it will return a Piwik_DataTable_Array
* which is an array of Piwik_DataTable, ordered by chronological order
*
* @param string $name Name of the mysql table field to load
* @param int $idSubTable optional idSubDataTable
* @return Piwik_DataTable_Array
* @throws Exception If the value cannot be found
*/
public function getDataTable( $name, $idSubTable = null )
{
$table = $this->getNewDataTableArray();
foreach($this->archives as $archive)
{
$subTable = $archive->getDataTable( $name, $idSubTable ) ;
$table->addTable($subTable, $this->getDataTableLabelValue($archive));
}
return $table;
}
/**
* Same as getDataTable() except that it will also load in memory
* all the subtables for the DataTable $name.
* You can then access the subtables by using the Piwik_DataTable_Manager::getInstance()->getTable($idSubTable);
*
* @param string $name Name of the mysql table field to load
* @param int $idSubTable optional idSubDataTable
* @return Piwik_DataTable_Array
*/
public function getDataTableExpanded($name, $idSubTable = null)
{
$table = $this->getNewDataTableArray();
foreach($this->archives as $archive)
{
$subTable = $archive->getDataTableExpanded( $name, $idSubTable ) ;
$table->addTable($subTable, $this->getDataTableLabelValue($archive));
}
return $table;
}
}
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