Added serverDatabase library

engine/server/library/serverDatabase/src/shared/GetObjectIdsQuery.h

@@ -0,0 +1,86 @@
+// ======================================================================
+//
+// GetOIDsQuery.h
+// copyright (c) 2001 Sony Online Entertainment
+//
+// ======================================================================
+
+#ifndef INCLUDED_GetOIDsQuery_H
+#define INCLUDED_GetOIDsQuery_H
+
+// ======================================================================
+
+#include "sharedDatabaseInterface/Bindable.h"
+#include "sharedDatabaseInterface/BindableNetworkId.h"
+#include "sharedDatabaseInterface/DbQuery.h"
+
+// ======================================================================
+
+namespace DBQuery
+{
+
+/**
+ * A query to get a block of object ID's.
+ */
+	class GetOIDsQuery : public DB::Query
+	{
+	  public:
+		GetOIDsQuery();
+		
+		virtual void getSQL(std::string &sql);
+		virtual bool bindParameters();
+		virtual bool bindColumns();
+
+		void      setHowMany(int howMany);
+		int       getHowMany() const;
+		NetworkId getStartId() const;
+		NetworkId getEndId() const;
+		
+	  protected:
+		virtual QueryMode getExecutionMode() const;
+		
+	  private:   
+		GetOIDsQuery(const GetOIDsQuery&);
+		GetOIDsQuery& operator=(const GetOIDsQuery&);
+
+		DB::BindableLong        min_count;
+		DB::BindableNetworkId   start_id;
+		DB::BindableNetworkId   end_id;
+	};
+
+}
+
+// ----------------------------------------------------------------------
+
+inline NetworkId DBQuery::GetOIDsQuery::getStartId() const
+{
+	FATAL(start_id.isNull(),("The database has run out of object ids.\n"));
+	return start_id.getValue();
+}
+
+// ----------------------------------------------------------------------
+
+inline NetworkId DBQuery::GetOIDsQuery::getEndId() const
+{
+	if (end_id.isNull())  	//TODO:  remove when done with Postgres
+		return NetworkId(start_id.getValue().getValue() + min_count.getValue() - 1); // for Postgres, query doesn't return the end id, so we assume we got the number of id's we wanted.
+	return end_id.getValue();
+}
+
+// ----------------------------------------------------------------------
+
+inline int DBQuery::GetOIDsQuery::getHowMany() const
+{
+	return min_count.getValue();
+}
+
+// ----------------------------------------------------------------------
+
+inline void DBQuery::GetOIDsQuery::setHowMany(int howMany)
+{
+	min_count = howMany;
+}
+
+// ======================================================================
+
+#endif