PHP Class lithium\data\source\http\adapter\CouchDb

Inheritance: extends lithium\data\source\Http

显示文件 Open project: unionofrad/lithium Class Usage Examples

Protected Properties

Property	Type	Description
$_classes	array	Classes used by CouchDb.
$_db	boolean	True if Database exists.
$_handlers
$_iterator	string	Increment value of current result set loop used by result to handle rows of json responses.

Public Methods

Method	Description
__call ( string $method, array $params = [] ) : mixed	Magic for passing methods to http service.
__construct ( array $config = [] ) : void	Constructor.
__destruct ( ) : void	Destructor. Ensures that the server connection is closed and resources are freed when the adapter instance is destroyed.
calculation ( string $type, mixed $query, array $options = [] ) : integer	Executes calculation-related queries, such as those required for count.
conditions ( string $conditions, string $context ) : array	Handle conditions.
configureClass ( string $class ) : Returns	Configures a model class by setting the primary key to 'id', in keeping with CouchDb conventions.
create ( string $query, array $options = [] ) : boolean	Create new document.
delete ( string $query, array $options = [] ) : boolean	Delete document.
describe ( string $entity, array $schema = [], array $meta = [] ) : lithium\data\Schema	Describe database, create if it does not exist.
enabled ( string $feature = null ) : boolean	With no parameter, always returns true, since CouchDB only depends on HTTP. With a parameter, queries for a specific supported feature.
fields ( string $fields, string $context ) : array	Fields for query.
item ( string $model, array $data = [], array $options = [] ) : object	Returns a newly-created Document object, bound to a model and populated with default data and options.
limit ( string $limit, string $context ) : array	Limit for query.
name ( string $name ) : string	Quotes identifiers.
order ( string $order, string $context ) : array	Order for query.
read ( string $query, array $options = [] ) : object	Read from document.
respondsTo ( string $method, boolean $internal = false ) : boolean	Determines if a given method can be called.
sources ( object $class = null ) : void	Returns an array of object types accessible through this database.
update ( string $query, array $options = [] ) : boolean	Update document.

Protected Methods

Method	Description
_autoBuild ( string $result )	Helper used for auto building a CouchDB database.
_format ( array $data ) : array	Formats a CouchDb result set into a standard result to be passed to item.
_init ( )

Method Details

__call() public method

Magic for passing methods to http service.

public __call ( string $method, array $params = [] ) : mixed
$method	string
$params	array
return	mixed

__construct() public method

Constructor.

public __construct ( array $config = [] ) : void
$config	array	Available configuration options are: - `'port'` _integer_ - `'version'` _integer_ - `'database'` _string_
return	void

__destruct() public method

Destructor. Ensures that the server connection is closed and resources are freed when the adapter instance is destroyed.

public __destruct ( ) : void
return	void

_autoBuild() protected method

Helper used for auto building a CouchDB database.

protected _autoBuild ( string $result )
$result	string	A query result.

_format() protected method

Formats a CouchDb result set into a standard result to be passed to item.

protected _format ( array $data ) : array
$data	array	data returned from query
return	array

_init() protected method

protected _init ( )

calculation() public method

Executes calculation-related queries, such as those required for count.

public calculation ( string $type, mixed $query, array $options = [] ) : integer
$type	string	Only accepts `count`.
$query	mixed	The query to be executed.
$options	array	Optional arguments for the `read()` query that will be executed to obtain the calculation result.
return	integer	Result of the calculation.

conditions() public method

Handle conditions.

public conditions ( string $conditions, string $context ) : array
$conditions	string
$context	string
return	array

configureClass() public method

Configures a model class by setting the primary key to 'id', in keeping with CouchDb conventions.

create() public method

Create new document.

public create ( string $query, array $options = [] ) : boolean
$query	string
$options	array
return	boolean

delete() public method

Delete document.

public delete ( string $query, array $options = [] ) : boolean
$query	string
$options	array
return	boolean

describe() public method

Describe database, create if it does not exist.

public describe ( string $entity, array $schema = [], array $meta = [] ) : lithium\data\Schema
$entity	string
$schema	array	Any schema data pre-defined by the model.
$meta	array
return	lithium\data\Schema

enabled() public static method

With no parameter, always returns true, since CouchDB only depends on HTTP. With a parameter, queries for a specific supported feature.

public static enabled ( string $feature = null ) : boolean
$feature	string	Test for support for a specific feature, i.e. `"transactions"` or `"arrays"`.
return	boolean	Returns `true` if the particular feature support is enabled, otherwise `false`.

fields() public method

Fields for query.

public fields ( string $fields, string $context ) : array
$fields	string
$context	string
return	array

item() public method

Returns a newly-created Document object, bound to a model and populated with default data and options.

public item ( string $model, array $data = [], array $options = [] ) : object
$model	string	A fully-namespaced class name representing the model class to which the `Document` object will be bound.
$data	array	The default data with which the new `Document` should be populated.
$options	array	Any additional options to pass to the `Document`'s constructor
return	object	Returns a new, un-saved `Document` object bound to the model class specified in `$model`.

limit() public method

Limit for query.

public limit ( string $limit, string $context ) : array
$limit	string
$context	string
return	array

name() public method

CouchDb does not need identifiers quoted, so this method simply returns the identifier.

public name ( string $name ) : string
$name	string	The identifier to quote.
return	string	The quoted identifier.

order() public method

Order for query.

public order ( string $order, string $context ) : array
$order	string
$context	string
return	array

read() public method

Read from document.

public read ( string $query, array $options = [] ) : object
$query	string
$options	array
return	object

respondsTo() public method

Determines if a given method can be called.

public respondsTo ( string $method, boolean $internal = false ) : boolean
$method	string	Name of the method.
$internal	boolean	Provide `true` to perform check from inside the class/object. When `false` checks also for public visibility; defaults to `false`.
return	boolean	Returns `true` if the method can be called, `false` otherwise.

sources() public method

Returns an array of object types accessible through this database.

public sources ( object $class = null ) : void
$class	object
return	void

update() public method

Update document.

public update ( string $query, array $options = [] ) : boolean
$query	string
$options	array
return	boolean

Property Details

$_classes protected_oe property

Classes used by CouchDb.

protected array $_classes
return	array

$_db protected_oe property

True if Database exists.

protected bool $_db
return	boolean

$_handlers protected_oe property

protected $_handlers

$_iterator protected_oe property

Increment value of current result set loop used by result to handle rows of json responses.

protected string $_iterator
return	string

public configureClass ( string $class ) : Returns
$class	string	The fully-namespaced model class name to be configured.
return	Returns	an array containing keys `'classes'` and `'meta'`, which will be merged with their respective properties in `Model`.