ilAdvancedMDSearch Class Reference

Inheritance diagram for ilAdvancedMDSearch:

Collaboration diagram for ilAdvancedMDSearch:

Public Member Functions
	__construct ($query_parser)
	Constructor.
	setDefinition ($a_def)
	set Definition
	getDefinition ()
	get definition
	performSearch ()
	perform search
	setTimeRange ($start, $end)
	set time range
Public Member Functions inherited from ilAbstractSearch
	ilAbstractSearch (&$qp_obj)
	Constructor public.
	setFields ($a_fields)
	Set fields to search.
	getFields ()
	Get fields to search.
	setFilter ($a_filter)
	set object type to search in
	setIdFilter ($a_id_filter)
	Set id filter Filters search by given object id.
	getIdFilter ()
	Get Id filter.
	appendToFilter ($a_type)
	Append object type to filter.
	getFilter ()
	get object type to search in
	__createLocateString ()
	build locate string in case of AND search
	__prepareFound (&$row)

Protected Attributes
	$definition

Additional Inherited Members
Data Fields inherited from ilAbstractSearch
	$db = null
	$query_parser = null
	$search_result = null
	$object_types

Detailed Description

Author

Stefan Meyer meyer.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 35 of file class.ilAdvancedMDSearch.php.

Constructor & Destructor Documentation

ilAdvancedMDSearch::__construct

(

$query_parser

)

Constructor.

public

Parameters

obj	query parser

Reimplemented in ilAdvancedMDLikeSearch.

Definition at line 46 of file class.ilAdvancedMDSearch.php.

References ilAbstractSearch\$query_parser.

        {
                parent::__construct($query_parser);
        }

Member Function Documentation

ilAdvancedMDSearch::getDefinition

(

)

get definition

public

Definition at line 69 of file class.ilAdvancedMDSearch.php.

References $definition.

Referenced by performSearch().

        {
                return $this->definition;
        }

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ilAdvancedMDSearch::performSearch

(

)

perform search

public

Parameters

Reimplemented from ilAbstractSearch.

Definition at line 81 of file class.ilAdvancedMDSearch.php.

References $query, $res, $row, ilAbstractSearch\$search_result, ilAbstractSearch\__createLocateString(), DB_FETCHMODE_OBJECT, getDefinition(), ilAbstractSearch\getFilter(), ilAbstractSearch\setFields(), ilAdvancedMDFieldDefinition\TYPE_DATE, ilAdvancedMDFieldDefinition\TYPE_DATETIME, ilAdvancedMDFieldDefinition\TYPE_SELECT, and ilAdvancedMDFieldDefinition\TYPE_TEXT.

        {
                global $ilDB;
                
                $this->setFields(array('value'));
                
                $and = '';
                if(count($this->getFilter()))
                {
                        $and = "AND ".$ilDB->in('type',$this->getFilter(),false,'text');
                }
                
                
                switch($this->getDefinition()->getFieldType())
                {
                        case ilAdvancedMDFieldDefinition::TYPE_DATE:
                        case ilAdvancedMDFieldDefinition::TYPE_DATETIME:
                                $query = "SELECT amv.obj_id,type ".
                                        "FROM adv_md_values amv ".
                                        "JOIN object_data od ON amv.obj_id = od.obj_id ".
                                        "WHERE value >= ".$ilDB->quote($this->range_start ,'text')." ".
                                        "AND value <= ".$ilDB->quote($this->range_end ,'text')." ".
                                        "AND field_id = ".$this->db->quote($this->getDefinition()->getFieldId() ,'integer')." ".
                                        $and;
                                break;
                        
                        case ilAdvancedMDFieldDefinition::TYPE_SELECT:
                        case ilAdvancedMDFieldDefinition::TYPE_TEXT:
                                $where = $this->__createWhereCondition();
                                $locate = $this->__createLocateString();
                                
                                $query = "SELECT amv.obj_id,type ".
                                        $locate.
                                        "FROM adv_md_values amv ".
                                        "JOIN object_data od ON amv.obj_id = od.obj_id ".
                                        $where.
                                        "AND field_id = ".$this->db->quote($this->getDefinition()->getFieldId() ,'integer')." ".
                                        $and;
                                break;
                        
                }
                
                if($query)
                {
                        $res = $this->db->query($query);
                        while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                        {
                                $this->search_result->addEntry($row->obj_id,$row->type,$this->__prepareFound($row));
                        }
                }
                return $this->search_result;
        }

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ilAdvancedMDSearch::setDefinition

(

$a_def

)

set Definition

public

Parameters

obj	field definition object

Definition at line 58 of file class.ilAdvancedMDSearch.php.

        {
                $this->definition = $a_def;
        }

ilAdvancedMDSearch::setTimeRange	(		$start,
			$end
	)

set time range

public

Parameters

int	unix start time
int	unix end time

Definition at line 142 of file class.ilAdvancedMDSearch.php.

        {
                $this->range_start = $start;
                $this->range_end = $end;
        }

Field Documentation

ilAdvancedMDSearch::$definition

protected

Definition at line 37 of file class.ilAdvancedMDSearch.php.

Referenced by getDefinition().

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

• Services/AdvancedMetaData/classes/class.ilAdvancedMDSearch.php