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C CakePHP 1.2 API

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Class ContainableBehavior

Behavior to allow for dynamic and atomic manipulation of a Model's associations used for a find call. Most useful for limiting the amount of associations and data returned.

Object
Extended by ModelBehavior
Extended by ContainableBehavior
Package: cake\cake\console\libs
Copyright: Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org)
License: The MIT License
Location: model/behaviors/containable.php

Properties summary

  • $runtime public
    array
    Runtime configuration for this behavior
  • $types public
    array
    Types of relationships available for models

Inherited Properties

  • mapMethods, settings _log

Method Summary

  • afterFind() public

    Resets original associations on models that may have receive multiple, subsequent unbindings.

  • beforeFind() public

    Runs before a find() operation. Used to allow 'contain' setting as part of the find call, like this:

  • contain() public

    Unbinds all relations from a model except the specified ones. Calling this function without parameters unbinds all related models.

  • containments() public
    Process containments for model.
  • containmentsMap() public
    Build the map of containments
  • fieldDependencies() public
    Calculate needed fields to fetch the required bindings for the given model.
  • resetBindings() public

    Permanently restore the original binding settings of given model, useful for restoring the bindings after using 'reset' => false as part of the contain call.

  • setup() public
    Initiate behavior for the model using specified settings.

Method Detail

afterFind() public ¶

afterFind( object $Model , array $results , boolean $primary )

Resets original associations on models that may have receive multiple, subsequent unbindings.

Parameters
object $Model
Model on which we are resetting
array $results
Results of the find operation
boolean $primary
true if this is the primary model that issued the find operation, false otherwise
Returns
mixed
Result of the find operation
Overrides
ModelBehavior::afterFind()

beforeFind() public ¶

beforeFind( object $Model , array $query )

Runs before a find() operation. Used to allow 'contain' setting as part of the find call, like this:

Model->find('all', array('contain' => array('Model1', 'Model2')));

{{{ Model->find('all', array('contain' => array( 'Model1' => array('Model11', 'Model12'), 'Model2', 'Model3' => array( 'Model31' => 'Model311', 'Model32', 'Model33' => array('Model331', 'Model332') ))); }}}

Parameters
object $Model
Model using the behavior
array $query
Query parameters as set by cake
Returns
array
Overrides
ModelBehavior::beforeFind()

contain() public ¶

contain( object $Model )

Unbinds all relations from a model except the specified ones. Calling this function without parameters unbinds all related models.

Parameters
object $Model
Model on which binding restriction is being applied

containments() public ¶

containments( object $Model , array $contain , array $containments = array() , boolean $throwErrors = null )

Process containments for model.

Parameters
object $Model
Model on which binding restriction is being applied
array $contain
Parameters to use for restricting this model
array $containments optional array()
Current set of containments
boolean $throwErrors optional null
Wether unexisting bindings show throw errors
Returns
array
Containments

containmentsMap() public ¶

containmentsMap( array $containments )

Build the map of containments

Parameters
array $containments
Containments
Returns
array
Built containments

fieldDependencies() public ¶

fieldDependencies( object $Model , array $map , mixed $fields = array() )

Calculate needed fields to fetch the required bindings for the given model.

Parameters
object $Model
Model
array $map
Map of relations for given model
mixed $fields optional array()
If array, fields to initially load, if false use $Model as primary model
Returns
array
Fields

resetBindings() public ¶

resetBindings( object $Model )

Permanently restore the original binding settings of given model, useful for restoring the bindings after using 'reset' => false as part of the contain call.

Parameters
object $Model
Model on which to reset bindings

setup() public ¶

setup( object $Model , array $settings = array() )

Initiate behavior for the model using specified settings.

Available settings:

  • recursive: (boolean, optional) set to true to allow containable to automatically determine the recursiveness level needed to fetch specified models, and set the model recursiveness to this level. setting it to false disables this feature. DEFAULTS TO: true
  • notices: (boolean, optional) issues E_NOTICES for bindings referenced in a containable call that are not valid. DEFAULTS TO: true
  • autoFields: (boolean, optional) auto-add needed fields to fetch requested bindings. DEFAULTS TO: true
Parameters
object $Model
Model using the behavior
array $settings optional array()
Settings to override for model.
Overrides
ModelBehavior::setup()

Methods inherited from ModelBehavior

_addToWhitelist() public ¶

_addToWhitelist( object $model , string $field )

If $model's whitelist property is non-empty, $field will be added to it. Note: this method should only be used in beforeValidate or beforeSave to ensure that it only modifies the whitelist for the current save operation. Also make sure you explicitly set the value of the field which you are allowing.

Parameters
object $model
Model using this behavior
string $field
Field to be added to $model's whitelist

afterDelete() public ¶

afterDelete( object $model )

After delete callback

Parameters
object $model
Model using this behavior

afterSave() public ¶

afterSave( object $model , boolean $created )

After save callback

Parameters
object $model
Model using this behavior
boolean $created
True if this save created a new record

beforeDelete() public ¶

beforeDelete( object $model , boolean $cascade = true )

Before delete callback

Parameters
object $model
Model using this behavior
boolean $cascade optional true
If true records that depend on this record will also be deleted
Returns
boolean
True if the operation should continue, false if it should abort

beforeSave() public ¶

beforeSave( object $model )

Before save callback

Parameters
object $model
Model using this behavior
Returns
boolean
True if the operation should continue, false if it should abort

beforeValidate() public ¶

beforeValidate( object $model )

Before validate callback

Parameters
object $model
Model using this behavior
Returns
boolean
True if validate operation should continue, false to abort

cleanup() public ¶

cleanup( object $model )

Clean up any initialization this behavior has done on a model. Called when a behavior is dynamically detached from a model using Model::detach().

Parameters
object $model
Model using this behavior
See
BehaviorCollection::detach()

dispatchMethod() public ¶

dispatchMethod( string $model , array $method , $params = array() )

Overrides Object::dispatchMethod to account for PHP4's broken reference support

Parameters
string $model
$method Name of the method to call
array $method
$params Parameter list to use when calling $method
$params optional array()
Returns
mixed
See
Object::dispatchMethod
Overrides
Object::dispatchMethod()

onError() public ¶

onError( object $model , string $error )

DataSource error callback

Parameters
object $model
Model using this behavior
string $error
Error generated in DataSource

Methods inherited from Object

Object() public ¶

Object( )

A hack to support __construct() on PHP 4 Hint: descendant classes have no PHP4 class_name() constructors, so this constructor gets called first and calls the top-layer __construct() which (if present) should call parent::__construct()

Returns
Object

__construct() public ¶

__construct( )

Class constructor, overridden in descendant classes.

__openPersistent() public ¶

__openPersistent( string $name , string $type = null )

Open the persistent class file for reading Used by Object::_persist()

Parameters
string $name
Name of persisted class
string $type optional null
Type of persistance (e.g: registry)

_persist() public ¶

_persist( string $name , string $return , $object , $type = null )

Checks for a persistent class file, if found file is opened and true returned If file is not found a file is created and false returned If used in other locations of the model you should choose a unique name for the persistent file There are many uses for this method, see manual for examples

Parameters
string $name
name of the class to persist
string $return
$object the object to persist
$object
$type optional null
Returns
boolean
Success

_savePersistent() public ¶

_savePersistent( string $name , object $object )

You should choose a unique name for the persistent file

There are many uses for this method, see manual for examples

Parameters
string $name
name used for object to cache
object $object
the object to persist
Returns
boolean
true on save, throws error if file can not be created

_set() public ¶

_set( array $properties = array() )

Allows setting of multiple properties of the object in a single line of code.

Parameters
array $properties optional array()
An associative array containing properties and corresponding values.

_stop() public ¶

_stop( $status = 0 )

Stop execution of the current script

Parameters
$status optional 0
http://php.net/exit for values

cakeError() public ¶

cakeError( string $method , array $messages = array() )

Used to report user friendly errors. If there is a file app/error.php or app/app_error.php this file will be loaded error.php is the AppError class it should extend ErrorHandler class.

Parameters
string $method
Method to be called in the error class (AppError or ErrorHandler classes)
array $messages optional array()
Message that is to be displayed by the error class
Returns
error
message

log() public ¶

log( string $msg , integer $type = LOG_ERROR )

API for logging events.

Parameters
string $msg
Log message
integer $type optional LOG_ERROR
Error type constant. Defined in app/config/core.php.
Returns
boolean
Success of log write

requestAction() public ¶

requestAction( mixed $url , array $extra = array() )

Calls a controller's method from any location.

Parameters
mixed $url
String or array-based url.
array $extra optional array()
if array includes the key "return" it sets the AutoRender to true.
Returns
mixed

Boolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.


toString() public ¶

toString( )

Object-to-string conversion. Each class can override this method as necessary.

Returns
string
The name of this class

Properties detail

$runtime ¶

public array

Runtime configuration for this behavior

array()

$types ¶

public array

Types of relationships available for models

array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany')
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