Package intermine :: Module constraints :: Class ConstraintFactory

Class ConstraintFactory

object --+
         |
        ConstraintFactory

Known Subclasses:

TemplateConstraintFactory

A factory for creating constraints from a set of arguments.

A constraint factory is responsible for finding an appropriate constraint class for the given arguments and instantiating the constraint.

Instance Methods

[hide private]

__init__(self)
Constructor -----------

source code

str

get_next_code(self)
Return the available constraint code.

source code

make_constraint(self, *args, **kwargs)
Create a constraint from a set of arguments.

source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables

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CONSTRAINT_CLASSES = set([<class 'intermine.constraints.UnaryC...

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self)
(Constructor)

source code


Constructor
-----------

Creates a new ConstraintFactory

Overrides: object.__init__

get_next_code(self)

source code

Return the available constraint code.

Returns: str: A single uppercase character

make_constraint(self, *args, **kwargs)

source code


Create a constraint from a set of arguments.
--------------------------------------------

Finds a suitable constraint class, and instantiates it.

@rtype: Constraint

Class Variable Details

[hide private]

CONSTRAINT_CLASSES

Value:

set([<class 'intermine.constraints.UnaryConstraint'>,
     <class 'intermine.constraints.BinaryConstraint'>,
     <class 'intermine.constraints.ListConstraint'>,
     <class 'intermine.constraints.LoopConstraint'>,
     <class 'intermine.constraints.TernaryConstraint'>,
     <class 'intermine.constraints.MultiConstraint'>,
     <class 'intermine.constraints.SubClassConstraint'>])

Class ConstraintFactory

A factory for creating constraints from a set of arguments.

__init__(self) (Constructor)

get_next_code(self)

make_constraint(self, *args, **kwargs)

CONSTRAINT_CLASSES

init(self)
(Constructor)