CDPL.Chem.MatchConstraint Class Reference

MatchConstraint. More...

Inheritance diagram for CDPL.Chem.MatchConstraint:

Classes
class	Relation
	Defines constants for the specification of relational constraints on the values of query/target attribute pairs. More...

Public Member Functions
None	__init__ (MatchConstraint constr)
	Initializes a copy of the MatchConstraint instance constr. More...
None	__init__ (int id, Relation rel)
	Initializes the MatchConstraint instance. More...
None	__init__ (int id, Relation rel, Base.Any val)
	Constructs a MatchConstraint object with the given identifier, relational constraint on the values of matching query/target attribute pairs and value of the query attribute. More...
MatchConstraint	assign (MatchConstraint constr)
	Replaces the current state of self with a copy of the state of the MatchConstraint instance constr. More...
int	getID ()
	Returns the identifier of the match constraint. More...
None	setID (int id)
	Sets the match constraint identifier to id. More...
Relation	getRelation ()
	Returns the relational constraint that must be fulfilled by the values of matching query/target attribute pairs. More...
None	setRelation (Relation rel)
	Sets the relational constraint that must be fulfilled by the values of matching query/target attribute pairs. More...
Base.Any	getValue ()
	Returns a reference to the value of the query attribute of type T. More...
None	setValue (Base.Any val)
	Sets the value of the query attribute. More...
bool	hasValue ()
	Tells wether a query attribute value has been set. More...

Properties
	id = property(getID, setID)
	relation = property(getRelation, setRelation)
	value = property(getValue, setValue)

Detailed Description

MatchConstraint.

Constructor & Destructor Documentation

__init__() [1/3]

None CDPL.Chem.MatchConstraint.__init__

(

MatchConstraint

constr

)

Initializes a copy of the MatchConstraint instance constr.

Parameters

constr

The MatchConstraint instance to copy.

__init__() [2/3]

None CDPL.Chem.MatchConstraint.__init__	(	int	id,
		Relation	rel
	)

Initializes the MatchConstraint instance.

Parameters

id
rel

__init__() [3/3]

None CDPL.Chem.MatchConstraint.__init__	(	int	id,
		Relation	rel,
		Base.Any	val
	)

Constructs a MatchConstraint object with the given identifier, relational constraint on the values of matching query/target attribute pairs and value of the query attribute.

Parameters

id	The identifier of the match constraint.
rel	The relational constraint on the values of matching query/target attribute pairs.
val	The value of the query attribute.

Member Function Documentation

assign()

MatchConstraint CDPL.Chem.MatchConstraint.assign

(

MatchConstraint

constr

)

Replaces the current state of self with a copy of the state of the MatchConstraint instance constr.

Parameters

constr

The MatchConstraint instance to copy.

Returns

self

getID()

int CDPL.Chem.MatchConstraint.getID

(

)

Returns the identifier of the match constraint.

Returns

The identifier of the match constraint.

setID()

None CDPL.Chem.MatchConstraint.setID

(

int

id

)

Sets the match constraint identifier to id.

Parameters

id	The identifier of the match constraint.

getRelation()

Relation CDPL.Chem.MatchConstraint.getRelation

(

)

Returns the relational constraint that must be fulfilled by the values of matching query/target attribute pairs.

Returns

The relational constraint on the values of matching query/target attribute pairs.

setRelation()

None CDPL.Chem.MatchConstraint.setRelation

(

Relation

rel

)

Sets the relational constraint that must be fulfilled by the values of matching query/target attribute pairs.

Parameters

rel	The relational constraint on the values of matching query/target attribute pairs.

getValue()

Base.Any CDPL.Chem.MatchConstraint.getValue

(

)

Returns a reference to the value of the query attribute of type T.

Returns

A reference to the value of the stored query attribute.

Exceptions

Base.BadCast

if the stored Any instance is empty, or the stored value is not of the specified type T.

setValue()

None CDPL.Chem.MatchConstraint.setValue

(

Base.Any

val

)

Sets the value of the query attribute.

Parameters

val	The value of the query attribute.

hasValue()

bool CDPL.Chem.MatchConstraint.hasValue

(

)

Tells wether a query attribute value has been set.

Returns

True if the value of the query attribute has been set, False otherwise.