AfsFilter Class Reference

Base class used to represent a filter. More...

Inheritance diagram for AfsFilter:

Public Member Functions
	__construct ($id)
	Constructs new filter instance.
	__get ($name)
	Create new filter operator object.
	to_string ()
	Transforms this instance in its string representation.

Detailed Description

Base class used to represent a filter.

This class should never be instanced directly. Use filter function instead.

Constructor & Destructor Documentation

__construct

(

$id

)

Constructs new filter instance.

Parameters

$id	[in] Filter identifier (should be a string).

Member Function Documentation

__get

(

$name

)

Create new filter operator object.

Valid operators are:

• equal: equal comparison,
• not_equal: not equal comparison,
• less: less than comparison,
• less_equal: less than or equal comparison,
• greater: greater than comparison,
• greater_equal: greater than or equal comparison.

Parameters

$name

[in] Should be one of the valid operators.

Returns

newly created instance depending on the provided parameter.

Exceptions

AfsUnknownOperatorException

when invalid operator has been provided.

to_string

(

)

Transforms this instance in its string representation.

Returns

string representation of the instance.

Reimplemented in AfsNativeFunctionFilter.