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Work towards serialization of data

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This commit is contained in:
Thomas Krijnen
2025-02-25 21:29:54 +01:00
parent 048f77cfed
commit a420c4b707
9 changed files with 417 additions and 168 deletions
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src/ifcparse/IfcFile.cpp
+5 -29
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@@ -353,7 +353,7 @@ IfcUtil::IfcBaseClass* IfcParse::impl::rocks_db_file_storage::assert_existance(s
size_t s;
memcpy(&s, v.data(), sizeof(size_t));
auto decl = file->schema()->declarations()[s];
IfcEntityInstanceData data(rocks_db_attribute_storage{});
IfcEntityInstanceData data(rocks_db_attribute_storage(this, "i|"));
auto inst = file->schema()->instantiate(decl, std::move(data));
inst->id_ = instanceId;
instance_cache_.insert({ inst->identity(), inst });
@@ -363,34 +363,6 @@ IfcUtil::IfcBaseClass* IfcParse::impl::rocks_db_file_storage::assert_existance(s
throw std::runtime_error("");
}
#include "rocksdb/merge_operator.h"
namespace {
class ConcatenateIdMergeOperator : public rocksdb::AssociativeMergeOperator {
public:
virtual bool Merge(const rocksdb::Slice& key,
const rocksdb::Slice* existing_value,
const rocksdb::Slice& value,
std::string* new_value,
rocksdb::Logger* logger) const override {
if (existing_value) {
new_value->assign(existing_value->data(), existing_value->size());
new_value->append(value.data(), value.size());
} else {
new_value->assign(value.data(), value.size());
}
return true;
}
virtual const char* Name() const override {
return "ConcatenateIdMergeOperator";
}
};
}
// @todo naming
IfcParse::impl::rocks_db_file_storage::rocks_db_file_storage(const std::string& filepath, IfcParse::IfcFile* ffile)
: file(ffile)
@@ -399,11 +371,15 @@ IfcParse::impl::rocks_db_file_storage::rocks_db_file_storage(const std::string&
, byguid_(&byguid_internal_, [this](size_t v) { return assert_existance(v); }, [](IfcUtil::IfcBaseClass* v) { return v->identity(); })
, byid_(db, "d|")
, bytype_(db, "t|")
, byidentity_(&byid_, [this](size_t v) { return assert_existance(v); }, [](IfcUtil::IfcBaseClass* v) { return v->identity(); })
{
rocksdb::Options options;
options.create_if_missing = true;
options.merge_operator.reset(new ConcatenateIdMergeOperator());
rocksdb::Status status = rocksdb::DB::Open(options, filepath, &db);
if (!status.ok()) {
throw std::runtime_error(status.ToString());
}
}
IfcUtil::IfcBaseClass* IfcParse::impl::rocks_db_file_storage::instance_by_id(int id)