Class ItemCollection

Class ItemCollection Abstract class for database based item collections.

cGenericDb

ItemCollection

Direct known subclasses

ArticleForumCollection, cApiActionCollection, cApiCategoryTreeCollection, cApiClientCollection, cApiClientLanguageCollection, cApiCommunicationCollection, cApiContainerCollection, cApiContainerConfigurationCollection, cApiContentCollection, cApiDbfsCollection, cApiFileCollection, cApiFileInformationCollection, cApiActionlogCollection, cApiFrameFileCollection, cApiFrontendGroupCollection, cApiFrontendGroupMemberCollection, cApiFrontendPermissionCollection, cApiFrontendUserCollection, cApiGroupCollection, cApiGroupMemberCollection, cApiGroupPropertyCollection, cApiInUseCollection, cApiIso3166Collection, cApiAreaCollection, cApiIso6392Collection, cApiKeywordCollection, cApiLanguageCollection, cApiLayoutCollection, cApiMailLogCollection, cApiMailLogSuccessCollection, cApiMetaTagCollection, cApiMetaTypeCollection, cApiModuleCollection, cApiNavMainCollection, cApiArticleCollection, cApiNavSubCollection, cApiOnlineUserCollection, cApiPathresolveCacheCollection, cApiPropertyCollection, cApiRightCollection, cApiShortUrlCollection, cApiStatCollection, cApiSystemPropertyCollection, cApiTemplateCollection, cApiTemplateConfigurationCollection, cApiArticleLanguageCollection, cApiTypeCollection, cApiUploadCollection, cApiUploadMetaCollection, cApiUserCollection, cApiUserPropertyCollection, NewsletterCollection, NewsletterJobCollection, NewsletterLogCollection, NewsletterRecipientCollection, NewsletterRecipientGroupCollection, cApiArticleSpecificationCollection, NewsletterRecipientGroupMemberCollection, PifaFieldCollection, PifaFormCollection, PimPluginCollection, PimPluginRelationsCollection, WorkflowActions, WorkflowAllocations, WorkflowArtAllocations, WorkflowItems, Workflows, cApiCategoryArticleCollection, WorkflowTasks, WorkflowUserSequences, cApiCategoryCollection, cApiCategoryLanguageCollection

Indirect known subclasses

NoteCollection, TODOCollection

Abstract
Package: Core\GenericDB
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Timo Hummel
Author: Murat Purc <murat@purc.de>
Located at classes/genericdb/class.item.collection.php

Methods summary
`public`	# `__construct( string $sTable, string $sPrimaryKey )` Constructor Function Constructor Function Parameters `$sTable` `string` $sTable The table to use as information source `$sPrimaryKey` `string` $sPrimaryKey The primary key to use Throws `cInvalidArgumentException` If table name or primary key is not set Overrides `cItemBaseAbstract::__construct()`
`public`	# `ItemCollection( mixed $sTable, mixed $sPrimaryKey, mixed $iLifetime = 10 )` Constructor function for downwards compatibility Constructor function for downwards compatibility
`protected`	# `_setJoinPartner( string $sForeignCollectionClass )` Defines the reverse links for this table. Defines the reverse links for this table. Important: The class specified by $sForeignCollectionClass needs to be a collection class and has to exist. Define all links in the constructor of your object. Parameters `$sForeignCollectionClass` `string` $sForeignCollectionClass Specifies the foreign class to use Throws `cInvalidArgumentException` if the given foreign class can not be instantiated
`protected`	# `_setItemClass( string $sClassName )` Method to set the accompanying item object. Method to set the accompanying item object. Parameters `$sClassName` `string` $sClassName Specifies the classname of item Throws `cInvalidArgumentException` if the given class can not be instantiated
`protected`	# `_initializeDriver( mixed $bForceInit = false )` Initializes the driver to use with GenericDB. Initializes the driver to use with GenericDB. Parameters `$bForceInit` `mixed` $bForceInit boolean If true, forces the driver to initialize, even if it already exists.
`public`	# `setEncoding( string $sEncoding )` Sets the encoding. Sets the encoding. Parameters `$sEncoding` `string` $sEncoding
`public`	# `link( string $sForeignClass )` Sets the query to use foreign tables in the resultset Sets the query to use foreign tables in the resultset Parameters `$sForeignClass` `string` $sForeignClass The class of foreign table to use Throws `cInvalidArgumentException` if the given foreign class does not exist
`public`	# `setLimit( integer $iRowStart, integer $iRowCount )` Sets the limit for results Sets the limit for results Parameters `$iRowStart` `integer` $iRowStart `$iRowCount` `integer` $iRowCount
`public`	# `setWhere( string $sField, mixed $mRestriction, string $sOperator = '=' )` Restricts a query with a where clause Restricts a query with a where clause Parameters `$sField` `string` $sField `$mRestriction` `mixed` $mRestriction `$sOperator` `string` $sOperator
`public`	# `deleteWhere( string $sField, mixed $mRestriction, string $sOperator = '=' )` Removes a previous set where clause (@see ItemCollection::setWhere). Removes a previous set where clause (@see ItemCollection::setWhere). Parameters `$sField` `string` $sField `$mRestriction` `mixed` $mRestriction `$sOperator` `string` $sOperator
`public`	# `setWhereGroup( string $sGroup, string $sField, mixed $mRestriction, string $sOperator = '=' )` Restricts a query with a where clause, groupable Restricts a query with a where clause, groupable Parameters `$sGroup` `string` $sGroup `$sField` `string` $sField `$mRestriction` `mixed` $mRestriction `$sOperator` `string` $sOperator
`public`	# `deleteWhereGroup( string $sGroup, string $sField, mixed $mRestriction, string $sOperator = '=' )` Removes a previous set groupable where clause (@see ItemCollection::setWhereGroup). Removes a previous set groupable where clause (@see ItemCollection::setWhereGroup). Parameters `$sGroup` `string` $sGroup `$sField` `string` $sField `$mRestriction` `mixed` $mRestriction `$sOperator` `string` $sOperator
`public`	# `setInnerGroupCondition( string $sGroup, string $sCondition = 'AND' )` Defines how relations in one group are linked each together Defines how relations in one group are linked each together Parameters `$sGroup` `string` $sGroup `$sCondition` `string` $sCondition
`public`	# `setGroupCondition( string $sGroup1, string $sGroup2, string $sCondition = 'AND' )` Defines how groups are linked to each other Defines how groups are linked to each other Parameters `$sGroup1` `string` $sGroup1 `$sGroup2` `string` $sGroup2 `$sCondition` `string` $sCondition
`protected array`	# `_buildGroupWhereStatements( )` Builds a where statement out of the setGroupWhere calls Builds a where statement out of the setGroupWhere calls Returns `array` With all where statements
`protected array`	# `_buildWhereStatements( )` Builds a where statement out of the setWhere calls Builds a where statement out of the setWhere calls Returns `array` With all where statements
`protected array`	# `_fetchJoinTables( )` Fetches all tables which will be joined later on. Fetches all tables which will be joined later on. The returned array has the following format: array( array(fields), array(tables), array(joins), array(wheres) ); Notes: The table is the table name which needs to be added to the FROM clause The join statement which is inserted after the master table The where statement is combined with all other where statements The fields to select from Returns `array` Array structure, see above Throws `cException` if no join partner could be found
`protected array`	# `_resolveLinks( )` Resolves links (class names of joined partners) Resolves links (class names of joined partners) Returns `array`
`public`	# `resetQuery( )` Resets the properties Resets the properties
`public boolean`	# `query( )` Builds and runs the query Builds and runs the query Returns `boolean` Throws `cException` if no item class has been set
`public`	# `setOrder( string $order )` Sets the result order part of the query (e. g. "fieldname", "fieldname DESC", "fieldname DESC, field2name ASC") Sets the result order part of the query (e. g. "fieldname", "fieldname DESC", "fieldname DESC, field2name ASC") Parameters `$order` `string` $order
`public`	# `addResultField( string $sField )` Adds a result field Adds a result field Parameters `$sField` `string` $sField
`public`	# `removeResultField( string $sField )` Removes existing result field Removes existing result field Parameters `$sField` `string` $sField
`protected`	# `_findReverseJoinPartner( string $sParentClass, string $sClassName )` Returns reverse join partner. Returns reverse join partner. Parameters `$sParentClass` `string` $sParentClass `$sClassName` `string` $sClassName
`public boolean`	# `select( string $sWhere = '', string $sGroupBy = '', string $sOrderBy = '', string $sLimit = '' )` Selects all entries from the database. Objects are loaded using their primary key. Selects all entries from the database. Objects are loaded using their primary key. Parameters `$sWhere` `string` $sWhere Specifies the where clause. `$sGroupBy` `string` $sGroupBy Specifies the group by clause. `$sOrderBy` `string` $sOrderBy Specifies the order by clause. `$sLimit` `string` $sLimit Specifies the limit by clause. Returns `boolean` True on success, otherwhise false
`public boolean`	# `flexSelect( string $sDistinct = '', string $sFrom = '', string $sWhere = '', string $sGroupBy = '', string $sOrderBy = '', string $sLimit = '' )` Selects all entries from the database. Objects are loaded using their primary key. Selects all entries from the database. Objects are loaded using their primary key. Parameters `$sDistinct` `string` $sDistinct Specifies if distinct will be added to the SQL statement ($sDistinct !== '' -> DISTINCT) `$sFrom` `string` $sFrom Specifies the additional from clause (e.g. 'con_news_groups AS groups, con_news_groupmembers AS groupmembers'). `$sWhere` `string` $sWhere Specifies the where clause. `$sGroupBy` `string` $sGroupBy Specifies the group by clause. `$sOrderBy` `string` $sOrderBy Specifies the order by clause. `$sLimit` `string` $sLimit Specifies the limit by clause. Returns `boolean` True on success, otherwhise false
`public boolean`	# `exists( mixed $mId )` Checks if a specific entry exists. Checks if a specific entry exists. Parameters `$mId` `mixed` $mId The id to check for (could be numeric or string) Returns `boolean` True if object exists, false if not
`public Item`	# `next( )` Advances to the next item in the database. Advances to the next item in the database. Returns `Item` bool next object, or false if no more objects
`public`	# `fetchObject( Item $sClassName )` Fetches the resultset related to current loaded primary key as an object Fetches the resultset related to current loaded primary key as an object Parameters `$sClassName` `Item`
`public`	# `fetchTable( array $aFields = array(), array $aObjects = array() )` Prelimary documentation $aFields = array with the fields to fetch. Notes: If the array contains keys, the key will be used as alias for the field. Example: array('id' => 'idcat') will put 'idcat' into field 'id' $aObjects = array with the objects to fetch. Notes: If the array contains keys, the key will be used as alias for the object. If you specify more than one object with the same key, the array will be multi-dimensional. Prelimary documentation $aFields = array with the fields to fetch. Notes: If the array contains keys, the key will be used as alias for the field. Example: array('id' => 'idcat') will put 'idcat' into field 'id' $aObjects = array with the objects to fetch. Notes: If the array contains keys, the key will be used as alias for the object. If you specify more than one object with the same key, the array will be multi-dimensional.
`public array`	# `queryAndFetchStructured( array $aObjects )` Returns an array of arrays Returns an array of arrays Parameters `$aObjects` `array` $aObjects With the correct order of the objects Returns `array` Result
`protected`	# `_recursiveStructuredFetch( array $aObjects, array $aResult )`
`public integer`	# `count( )` Returns the amount of returned items Returns the amount of returned items Returns `integer` Number of rows
`public Item`	# `fetchById( string\|integer $id )` Loads a single entry by it's id. Loads a single entry by it's id. Parameters `$id` `string\|integer` $id The primary key of the item to load. Returns `Item` The loaded item
`public Item`	# `loadItem( mixed $mItem )` Loads a single object from the database. Loads a single object from the database. Parameters `$mItem` `mixed` $mItem The primary key of the item to load or a recordset with itemdata (array) to inject to the item object. Returns `Item` The newly created object Throws `cException` If item class is not set
`public Item`	# `createNewItem( string\|array $data = NULL )` Creates a new item in the table and loads it afterwards. Creates a new item in the table and loads it afterwards. Parameters `$data` `string\|array` $data optional parameter for direct input of primary key value (string) or multiple column name - value pairs Returns `Item` The newly created object
`public object`	# `copyItem( object $srcItem, array $fieldsToOverwrite = array() )` Inserts a new item entry by using a existing item entry. Inserts a new item entry by using a existing item entry. Parameters `$srcItem` `object` $srcItem Source Item instance to copy `$fieldsToOverwrite` `array` $fieldsToOverwrite Assoziative list of fields to overwrite. Returns `object` Item null Throws `cInvalidArgumentException` If Item class doesn't match the defined _itemClass property or passed Item instance has no loaded recordset
`public array`	# `getIdsByWhereClause( string $sWhere )` Returns all ids of recordsets in the table matching the rules in the passed where clause. Returns all ids of recordsets in the table matching the rules in the passed where clause. Parameters `$sWhere` `string` $sWhere The where clause of the SQL statement Returns `array` List of ids
`public array`	# `getFieldsByWhereClause( array $aFields, string $sWhere )` Returns all specified fields of recordsets in the table matching the rules in the passed where clause. Returns all specified fields of recordsets in the table matching the rules in the passed where clause. Parameters `$aFields` `array` $aFields List of fields to get `$sWhere` `string` $sWhere The where clause of the SQL statement Returns `array` List of entries with specified fields
`public array`	# `getAllIds( )` Returns all ids of recordsets in the table. Returns all ids of recordsets in the table. Returns `array` List of ids
`public boolean`	# `delete( mixed $mId )` Deletes an item in the table. Deletes also cached e entry and any existing properties. Deletes an item in the table. Deletes also cached e entry and any existing properties. Parameters `$mId` `mixed` $mId Id of entry to delete Returns `boolean`
`public integer`	# `deleteByWhereClause( string $sWhere )` Deletes all found items in the table matching the rules in the passed where clause. Deletes also cached e entries and any existing properties. Deletes all found items in the table matching the rules in the passed where clause. Deletes also cached e entries and any existing properties. Parameters `$sWhere` `string` $sWhere The where clause of the SQL statement Returns `integer` Number of deleted entries
`public integer`	# `deleteBy( string $sField, mixed $mValue )` Deletes all found items in the table matching the passed field and it's value. Deletes also cached e entries and any existing properties. Deletes all found items in the table matching the passed field and it's value. Deletes also cached e entries and any existing properties. Parameters `$sField` `string` $sField The field name `$mValue` `mixed` $mValue The value of the field Returns `integer` Number of deleted entries
`protected boolean`	# `_delete( mixed $mId )` Deletes an item in the table, deletes also existing cache entries and properties of the item. Deletes an item in the table, deletes also existing cache entries and properties of the item. Parameters `$mId` `mixed` $mId Id of entry to delete Returns `boolean`
`protected integer`	# `_deleteMultiple( array $aIds )` Deletes all items in the table, deletes also existing cache entries and properties of the item. Deletes all items in the table, deletes also existing cache entries and properties of the item. Parameters `$aIds` `array` $aIds Id of entries to delete Returns `integer` Number of affected records
`public array`	# `fetchArray( string $sKey, mixed $mFields )` Fetches an array of fields from the database. Fetches an array of fields from the database. Example: $i = $object->fetchArray('idartlang', array('idlang', 'name')); could result in: $i[5] = array('idlang' => 5, 'name' => 'My Article'); Important: If you don't pass an array for fields, the function doesn't create an array. Parameters `$sKey` `string` $sKey Name of the field to use for the key `$mFields` `mixed` $mFields String or array Returns `array` Resulting array

Methods inherited from cItemBaseAbstract
`_getPropertiesCollectionInstance(), _getSecondDBInstance(), escape()`

Methods inherited from cGenericDb
`_executeCallbacks(), register(), unregister()`

Constants inherited from cGenericDb
`CREATE_BEFORE, CREATE_FAILURE, CREATE_SUCCESS, DELETE_BEFORE, DELETE_FAILURE, DELETE_SUCCESS, STORE_BEFORE, STORE_FAILURE, STORE_SUCCESS`

Properties summary
`protected string`	`$objects`		# Storage of all result items Storage of all result items
`protected cGenericDbDriver`	`$_driver`		# GenericDB driver object GenericDB driver object
`protected array`	`$_collectionCache`	`array()`	# List of instances of ItemCollection implementations List of instances of ItemCollection implementations
`protected string`	`$_itemClass`		# Single item class Single item class
`protected object`	`$_iteratorItem`		# Iterator object for the next() method Iterator object for the next() method
`protected array`	`$_JoinPartners`	`array()`	# Reverse join partners for this data object Reverse join partners for this data object
`protected array`	`$_forwardJoinPartners`		# Forward join partners for this data object Forward join partners for this data object
`protected array`	`$_whereRestriction`		# Where restrictions for the query Where restrictions for the query
`protected array`	`$_innerGroupConditions`	`array()`	# Inner group conditions Inner group conditions
`protected array`	`$_groupConditions`		# Group conditions Group conditions
`protected array`	`$_resultFields`	`array()`	# Result fields for the query Result fields for the query
`protected string`	`$_encoding`		# Encoding Encoding
`protected object`	`$_itemClassInstance`		# Item class instance Item class instance
`protected array`	`$_aOperators`		# Stores all operators which are supported by GenericDB Unsupported operators are passed trough as-is. Stores all operators which are supported by GenericDB Unsupported operators are passed trough as-is.
`protected boolean`	`$_bAllMode`	`false`	# Flag to select all fields in a query. Reduces the number of queries send to the database. Flag to select all fields in a query. Reduces the number of queries send to the database.
`protected array`	`$_where`		# Array with where conditions Array with where conditions
`protected string`	`$_order`		# Order mode with direction Order mode with direction
`protected integer`	`$_limitStart`		# Starting limit Starting limit
`protected integer`	`$_limitCount`		# Amount of items for limit Amount of items for limit
`protected string`	`$_lastSQL`		# Last SQL statement Last SQL statement
`protected array`	`$_links`		# Array with linked tables Array with linked tables

Properties inherited from cItemBaseAbstract
`$_className, $_oCache, $_settings, $db, $lasterror, $primaryKey, $properties, $secondDb, $table, $virgin`

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Classes

Class ItemCollection

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