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// $Id$
#include "EC_Type_Filter.h"
ACE_RCSID(Event, EC_Type_Filter, "$Id$")
TAO_EC_Type_Filter::TAO_EC_Type_Filter (const RtecEventComm::EventHeader& header)
: header_ (header)
{
}
int
TAO_EC_Type_Filter::filter (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL)
{
if (event.length () != 1)
return this->filter_set (event, qos_info ACE_ENV_ARG_PARAMETER);
if (this->can_match (event[0].header))
{
this->push (event, qos_info ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
return 1;
}
return 0;
}
int
TAO_EC_Type_Filter::filter_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL)
{
if (event.length () != 1)
return this->filter_set (event, qos_info ACE_ENV_ARG_PARAMETER);
if (this->can_match (event[0].header))
{
this->push_nocopy (event, qos_info ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
return 1;
}
return 0;
}
void
TAO_EC_Type_Filter::push (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL)
{
if (this->parent () != 0)
this->parent ()->push (event, qos_info ACE_ENV_ARG_PARAMETER);
}
void
TAO_EC_Type_Filter::push_nocopy (RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL)
{
if (this->parent () != 0)
this->parent ()->push_nocopy (event, qos_info ACE_ENV_ARG_PARAMETER);
}
void
TAO_EC_Type_Filter::clear (void)
{
}
CORBA::ULong
TAO_EC_Type_Filter::max_event_size (void) const
{
return 1;
}
int
TAO_EC_Type_Filter::can_match (
const RtecEventComm::EventHeader& header) const
{
if (this->header_.source == 0)
{
if (this->header_.type == 0 || header.type == 0)
return 1;
else
return this->header_.type == header.type;
}
if (this->header_.type == 0)
{
if (header.source == 0)
return 1;
else
return this->header_.source == header.source;
}
if (header.source == 0)
{
if (header.type != 0)
return this->header_.type == header.type;
return 1;
}
if (header.type == 0)
{
return this->header_.source == header.source;
}
return (this->header_.type == header.type
&& this->header_.source == header.source);
}
int
TAO_EC_Type_Filter::add_dependencies (
const RtecEventComm::EventHeader& header,
const TAO_EC_QOS_Info &
ACE_ENV_ARG_DECL_NOT_USED)
{
return this->can_match (header);
}
int
TAO_EC_Type_Filter::filter_set (const RtecEventComm::EventSet& event,
TAO_EC_QOS_Info& qos_info
ACE_ENV_ARG_DECL)
{
CORBA::ULong maximum = event.length ();
if (event.maximum () == 0)
return 0;
RtecEventComm::EventSet matched (maximum);
CORBA::ULong next_slot = 0;
for (CORBA::ULong i = 0; i != maximum; ++i)
{
if (!this->can_match (event[i].header))
continue;
matched.length (next_slot + 1);
matched[next_slot] = event[i];
next_slot++;
}
if (matched.length () == 0)
return 0;
this->push (matched, qos_info ACE_ENV_ARG_PARAMETER);
ACE_CHECK_RETURN (0);
return 1;
}
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