ExpressionPredicate Class Reference
[Kernel Predicates]

ExpressionPredicate. More...

#include <expressionPredicate.h>

Inheritance diagram for ExpressionPredicate:

List of all members.

Public Member Functions
Constructors and Destructor.
	ExpressionPredicate () throw ()
	Default Constructor.
	ExpressionPredicate (const ExpressionPredicate &predicate) throw ()
	Copy constructor.
	ExpressionPredicate (const String &argument) throw ()
	Detailed Constructor.
virtual	~ExpressionPredicate () throw ()
	Destructor.
Assignment
ExpressionPredicate &	operator= (const ExpressionPredicate &predicate) throw ()
	Assignment operator.
virtual void	clear () throw ()
	Clear method.
Predicates
bool	operator== (const ExpressionPredicate &predicate) const throw ()
	Equality operator.
Accessors.
virtual bool	operator() (const Atom &atom) const throw ()
	evaluate this ExpressionPredicate by comparing its argument with the selected predicate of atom.
virtual void	setArgument (const String &argument) throw ()
	set the Argument of this ExpressionPredicate
const String &	getArgument () const throw ()
	Get the argument of an ExpressionPredicate.
Protected Attributes
String	argument_

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Detailed Description

ExpressionPredicate.

The base class for all kernel predicates (defined in BALL/KERNEL/standardPredicates.h and used by Expression . You have to derive your own predicate classes from this class if you want to use (and register) them with Expression .

See also:

Expression

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Constructor & Destructor Documentation

ExpressionPredicate::ExpressionPredicate (  const String &  argument  )  throw ()

Detailed Constructor. Construct an ExpressionPredicate with a string. Parameters: argument  the argument to use for this predicate

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Member Function Documentation

const String& ExpressionPredicate::getArgument (   )  const throw ()

Get the argument of an ExpressionPredicate. Returns: the argument of the expression

virtual bool ExpressionPredicate::operator() (  const Atom &  atom  )  const throw () [virtual]

evaluate this ExpressionPredicate by comparing its argument with the selected predicate of atom. Parameters: atom  the atom to compare with Reimplemented from UnaryPredicate< Atom >. Reimplemented in TruePredicate, FalsePredicate, SelectedPredicate, AtomNamePredicate, AtomTypePredicate, ElementPredicate, ResiduePredicate, ResidueIDPredicate, ProteinPredicate, ChainPredicate, SecondaryStructurePredicate, SolventPredicate, MoleculePredicate, BackBonePredicate, NucleotidePredicate, InRingPredicate, NumberOfBondsPredicate, SingleBondsPredicate, DoubleBondsPredicate, TripleBondsPredicate, AromaticBondsPredicate, ConnectedToPredicate, SpHybridizedPredicate, Sp2HybridizedPredicate, Sp3HybridizedPredicate, ChargePredicate, AxialPredicate, Conformation4C1Predicate, and SMARTSPredicate.

virtual void ExpressionPredicate::setArgument (  const String &  argument  )  throw () [virtual]

set the Argument of this ExpressionPredicate Parameters: argument  the string to use for this predicate Reimplemented in ConnectedToPredicate.