- Add operator== methods to dynamic schedulables, and in their interfaces too

- Write class ReadyQueue


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@688 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/ready_queue.cc

@@ -18,10 +18,51 @@
 // along with SGPEMv2; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
+#include "config.h"
+#include "gettext.h"
+
 #include "ready_queue.hh"
 
-using namespace sgpem;
+using sgpem::ReadyQueue;
 
-ReadyQueue::~ReadyQueue()
-{}
+void
+ReadyQueue::swap(position a, position b)
+	throw (std::out_of_range)
+{
+	size_t size = _scheds.size();
+	if(a > size || b > size) 
+		throw std::out_of_range(_("Trying to access a Schedulable "
+															"with an index outside of the "
+															"queue limits."));
+	if(a == b) return;
 
+	Schedulable* temp = _scheds[a];
+	_scheds[a] = _scheds[b];
+	_scheds[b] = temp;
+}
+
+
+ReadyQueue::size_t
+ReadyQueue::size() const
+{
+	return _scheds.size();
+}
+
+
+sgpem::Schedulable&
+ReadyQueue::get_item_at(position index)
+	throw (std::out_of_range)
+{
+	if(index > size())
+		throw std::out_of_range(_("Trying to access a Schedulable "
+															"with an index outside of the "
+															"queue limits."));
+	return *(_scheds[index]);
+}
+
+
+void
+ReadyQueue::append(Schedulable& schedulable)
+{
+	_scheds.push_back(&schedulable);
+}