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#include "Stock_i.h"
#include <orbsvcs/Event_Utilities.h>
///derive a class from the tie template class to release itself by ref_count
class MyTieStock:public POA_RtecEventComm::PushSupplier_tie<Quoter_Stock_i>
{
friend class Quoter_Stock_i;
ACE_Atomic_Op<TAO_SYNCH_MUTEX, long> ref_count_;
protected:
MyTieStock (Quoter_Stock_i *tp,
CORBA::Boolean release)
: POA_RtecEventComm::PushSupplier_tie<Quoter_Stock_i> (tp,release),
ref_count_(0) {}
public:
virtual void _add_ref (void)
{
++this->ref_count_;
}
virtual void _remove_ref (void)
{
CORBA::ULong new_count = --this->ref_count_;
if (new_count == 0)
delete this;
}
};
Quoter_Stock_i::Quoter_Stock_i (const char *symbol,
const char *full_name,
CORBA::Double price)
: supplier_personality_ (*new MyTieStock (this, 0))
{
this->data_.symbol = symbol;
this->data_.full_name = full_name;
this->data_.price = price;
}
Quoter_Stock_i::~Quoter_Stock_i (void)
{
if (consumer_proxy_.in ())
consumer_proxy_->disconnect_push_consumer ();
}
char *
Quoter_Stock_i::symbol ()
{
return CORBA::string_dup (this->data_.symbol.in ());
}
char *
Quoter_Stock_i::full_name ()
{
return CORBA::string_dup (this->data_.full_name.in ());
}
CORBA::Double
Quoter_Stock_i::price ()
{
return this->data_.price;
}
void
Quoter_Stock_i::set_price (CORBA::Double new_price)
{
this->data_.price = new_price;
if (CORBA::is_nil (this->consumer_proxy_.in ()))
return;
// Create the event
RtecEventComm::EventSet event (1);
event.length (1);
RtecEventComm::Event &e = event[0];
// Initialize the header
const char *symbol = this->data_.symbol;
e.header.type = int(symbol[0]) << 24;
e.header.type |= int(symbol[1]) << 16;
e.header.type |= int(symbol[2]) << 8;
e.header.type |= int(symbol[3]);
e.header.source = 1;
// Initialize the payload
e.data.any_value <<= this->data_;
// Push it
this->consumer_proxy_->push (event);
}
void
Quoter_Stock_i::disconnect_push_supplier (void)
{
// Forget about the consumer it is not there anymore
this->consumer_proxy_ =
RtecEventChannelAdmin::ProxyPushConsumer::_nil ();
}
void
Quoter_Stock_i::connect (RtecEventChannelAdmin::SupplierAdmin_ptr supplier_admin)
{
this->consumer_proxy_ =
supplier_admin->obtain_push_consumer ();
RtecEventComm::PushSupplier_var supplier =
this->supplier_personality_._this ();
const char *symbol = this->data_.symbol;
CORBA::ULong type = int(symbol[0]) << 24;
type |= int(symbol[1]) << 16;
type |= int(symbol[2]) << 8;
type |= int(symbol[3]);
CORBA::ULong source = 1;
ACE_SupplierQOS_Factory publications;
publications.insert (source, type, 0, 1);
this->consumer_proxy_->connect_push_supplier (supplier.in (),
publications.get_SupplierQOS ());
}
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