ExpressionInterface Class Reference

#include <ExpressionInterface.h>

Inheritance diagram for ExpressionInterface:

List of all members.

---

Detailed Description

Pure virtual interface for expressions.

This class is a base class for expressions (that return true or false).

Definition at line 30 of file ExpressionInterface.h.

Public Member Functions
virtual	~ExpressionInterface ()
	virtual destructor.
virtual void	add_event_server (boost::shared_ptr< ExpressionEventServer > const &event_server)=0
	Mark that ExpressionEventServer event_server is watching this expression.
virtual bool	evaluate (void)=0
	Evaluate the expression.
virtual void	sub_event_server (ExpressionEventServer *)=0
	Remove ExpressionEventServer event_server from this expression.
virtual void	print_on (std::ostream &os) const =0
	Print the expression on ostream os.

---

Constructor & Destructor Documentation

virtual ExpressionInterface::~ExpressionInterface

(

)

[inline, virtual]

virtual destructor.

Definition at line 33 of file ExpressionInterface.h.

{ }

---

Member Function Documentation

virtual void ExpressionInterface::add_event_server

(

boost::shared_ptr< ExpressionEventServer > const &

event_server

)

[pure virtual]

Mark that ExpressionEventServer event_server is watching this expression.

Implemented in BoolExpression< inverted >, ConstExpression< T >, BinaryExpression< inverted, EXPR1, OP, EXPR2 >, and WatchedExpression< T >.

virtual bool ExpressionInterface::evaluate

(

void

)

[pure virtual]

Evaluate the expression.

Implemented in BoolExpression< inverted >, ConstExpression< T >, BinaryExpression< inverted, EXPR1, OP, EXPR2 >, and WatchedExpression< T >.

virtual void ExpressionInterface::sub_event_server

(

ExpressionEventServer *

)

[pure virtual]

Remove ExpressionEventServer event_server from this expression.

Implemented in BoolExpression< inverted >, ConstExpression< T >, BinaryExpression< inverted, EXPR1, OP, EXPR2 >, and WatchedExpression< T >.

virtual void ExpressionInterface::print_on

(

std::ostream &

os

)

const [pure virtual]

Print the expression on ostream os.

Implemented in BoolExpression< inverted >, ConstExpression< T >, BinaryExpression< inverted, EXPR1, OP, EXPR2 >, and WatchedExpression< T >.

---

The documentation for this class was generated from the following file:

• ExpressionInterface.h