Class IntMessageNode

src/jrd/ExtEngineManager.cpp:69–120

Internal message node.

{
	// Internal message node.
	class IntMessageNode : public MessageNode
	{
	public:
		IntMessageNode(thread_db* tdbb, MemoryPool& pool, CompilerScratch* csb, USHORT message,
				Array<NestConst<Parameter> >& aParameters, const Format* aFormat)
			: MessageNode(pool),
			  parameters(aParameters),
			  format(aFormat)
		{
			setup(tdbb, csb, message, format->fmt_count);
		}

		virtual USHORT setupDesc(thread_db* tdbb, CompilerScratch* csb, USHORT index,
			dsc* desc, ItemInfo* itemInfo)
		{
			*desc = format->fmt_desc[index];

			if (index % 2 == 0 && index / 2u < parameters.getCount())
			{
				const Parameter* param = parameters[index / 2];

				if (param->prm_mechanism != prm_mech_type_of &&
					!fb_utils::implicit_domain(param->prm_field_source.c_str()))
				{
					MetaNamePair namePair(param->prm_field_source, "");

					FieldInfo fieldInfo;
					bool exist = csb->csb_map_field_info.get(namePair, fieldInfo);
					MET_get_domain(tdbb, csb->csb_pool, param->prm_field_source, desc,
						(exist ? NULL : &fieldInfo));

					if (!exist)
						csb->csb_map_field_info.put(namePair, fieldInfo);

					itemInfo->field = namePair;
					itemInfo->nullable = fieldInfo.nullable;
					itemInfo->fullDomain = true;
				}

				itemInfo->name = param->prm_name;

				if (!param->prm_nullable)
					itemInfo->nullable = false;
			}

			return type_alignments[desc->dsc_dtype];
		}

	public:
		Array<NestConst<Parameter> >& parameters;
		const Format* format;
	};

	// External message node.
	class ExtMessageNode : public MessageNode