openvrml::field_value_listener< FieldValue > Class Template Referenceabstract

Concrete event listener template. More...

#include <openvrml/event.h>

Inheritance diagram for openvrml::field_value_listener< FieldValue >:

Public Member Functions

virtual ~field_value_listener ()=0 throw ()
 Destroy. More...
 
void process_event (const FieldValue &value, double timestamp) throw ( std::bad_alloc )
 Process an event. More...
 
virtual field_value::type_id type () const throw ()
 FieldValue::field_value_type_id. More...
 
- Public Member Functions inherited from openvrml::event_listener
virtual ~event_listener ()=0 throw ()
 Destroy. More...
 

Protected Member Functions

 field_value_listener () throw ()
 Construct. More...
 
- Protected Member Functions inherited from openvrml::event_listener
 event_listener () throw ()
 Construct. More...
 

Private Member Functions

virtual void do_process_event (const FieldValue &value, double timestamp)=0 throw ( std::bad_alloc )
 Called by field_value_listener<FieldValue>::do_process_event. More...
 

Detailed Description

template<typename FieldValue>
class openvrml::field_value_listener< FieldValue >

Concrete event listener template.

Template Parameters
FieldValuea Field Value.

Constructor & Destructor Documentation

template<typename FieldValue >
openvrml::field_value_listener< FieldValue >::~field_value_listener ( )
throw (
)
pure virtual

Destroy.

Template Parameters
FieldValuea Field Value.
template<typename FieldValue >
openvrml::field_value_listener< FieldValue >::field_value_listener ( )
throw (
)
explicitprotected

Construct.

Template Parameters
FieldValuea Field Value.

Member Function Documentation

template<typename FieldValue>
void openvrml::field_value_listener< FieldValue >::process_event ( const FieldValue &  value,
double  timestamp 
)
throw (std::bad_alloc
)

Process an event.

Template Parameters
FieldValuea Field Value.
Parameters
[in]valuethe event value.
[in]timestampthe current time.
Exceptions
std::bad_allocif memory allocation fails.
template<typename FieldValue >
field_value::type_id openvrml::field_value_listener< FieldValue >::type ( ) const
throw (
)
virtual

FieldValue::field_value_type_id.

Template Parameters
FieldValuea Field Value.
Returns
FieldValue::field_value_type_id.

Implements openvrml::event_listener.

template<typename FieldValue>
void openvrml::field_value_listener< FieldValue >::do_process_event ( const FieldValue &  value,
double  timestamp 
)
throw (std::bad_alloc
)
privatepure virtual

Called by field_value_listener<FieldValue>::do_process_event.

Subclasses must implement this function.

Template Parameters
FieldValuea Field Value.
Parameters
[in]valuethe event value.
[in]timestampthe current time.
Exceptions
std::bad_allocif memory allocation fails.

Implemented in openvrml::exposedfield< FieldValue >.