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added observer to repository and updated tests

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This commit is contained in:
Sascha Kühl
2025-12-18 16:13:36 +01:00
parent 6307850721
commit 5e2d2ddde5
11 changed files with 286 additions and 66 deletions
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include/matador/object/repository.hpp
+38 -27
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@@ -6,6 +6,7 @@
#include "matador/object/error_code.hpp"
#include "matador/object/foreign_node_completer.hpp"
#include "matador/object/object_info.hpp"
#include "matador/object/observer.hpp"
#include "matador/object/relation_completer.hpp"
#include "matador/object/repository_node.hpp"
#include "matador/object/repository_node_iterator.hpp"
@@ -37,43 +38,53 @@ public:
*/
explicit repository(std::string name = "");
template<typename Type>
[[nodiscard]] utils::result<void, utils::error> attach(const std::string &name, const std::string &parent = "") {
if (const auto it = nodes_by_type_.find(typeid(Type)); it == nodes_by_type_.end() ) {
// if the type was not found
auto node = repository_node::make_node<Type>(*this, name);
if (auto result = attach_node(node, parent); !result) {
return utils::failure(result.err());
}
foreign_node_completer<Type>::complete(node);
relation_completer<Type>::complete(node);
} else if (!has_node(name)) {
it->second->update_name(name);
nodes_by_name_[name] = it->second;
if (const auto i = nodes_by_name_.find(""); i != nodes_by_name_.end()) {
nodes_by_name_.erase(i);
}
relation_completer<Type>::complete(it->second);
log_.info("attach: update node name to '%s' (type: %s)", it->second->name().c_str(), it->second->type_index().name());
} else {
// remove_node( )
return utils::failure(make_error(error_code::NodeAlreadyExists, "Node '" + name + "' already exists"));
}
return utils::ok<void>();
template<typename Type, typename... Observers>
[[nodiscard]] utils::result<void, utils::error> attach(const std::string &name, Observers&&... observers) {
return attach_type<Type, Observers...>(name, std::string{}, std::forward<Observers>(observers)...);
}
template<typename Type, typename SuperType>
[[nodiscard]] utils::result<void, utils::error> attach(const std::string &name) {
template<typename Type, typename SuperType, typename... Observers>
[[nodiscard]] utils::result<void, utils::error> attach(const std::string &name, Observers&&... observers) {
const auto ti = std::type_index(typeid(SuperType));
auto result = find_node(ti);
if (!result) {
return utils::failure(make_error(error_code::NodeNotFound, "Parent node '" + std::string(ti.name()) + "' not found"));
}
return attach<Type>(name, (*result)->name());
return attach_type<Type, Observers...>(name, (*result)->name(), std::forward<Observers>(observers)...);
}
template<typename Type, typename... Observers>
[[nodiscard]] utils::result<void, utils::error> attach(const std::string &name, const std::string &parent, Observers&&... observers) {
return attach_type<Type, Observers...>(name, parent, std::forward<Observers>(observers)...);
}
template<typename Type, typename... Observers>
[[nodiscard]] utils::result<void, utils::error> attach_type(const std::string &name, const std::string &parent, Observers&&... observers) {
if (const auto it = nodes_by_type_.find(typeid(Type)); it == nodes_by_type_.end() ) {
// if the type was not found
auto node = repository_node::make_node<Type>(*this, name, []{ return std::make_unique<Type>(); }, std::forward<Observers>(observers)...);
if (auto result = attach_node(node, parent); !result) {
return utils::failure(result.err());
}
node->on_attach();
foreign_node_completer<Type>::complete(node);
relation_completer<Type>::complete(node);
} else if (!has_node(name)) {
it->second->update_name(name);
nodes_by_name_[name] = it->second;
if (const auto i = nodes_by_name_.find(""); i != nodes_by_name_.end()) {
nodes_by_name_.erase(i);
}
relation_completer<Type>::complete(it->second);
log_.info("attach: update node name to '%s' (type: %s)", it->second->name().c_str(), it->second->type_index().name());
} else {
return utils::failure(make_error(error_code::NodeAlreadyExists, "Node '" + name + "' already exists"));
}
return utils::ok<void>();
}
/**
* Detaches a given node from the schema. If the