realm-js/object_schema.cpp

83 lines
3.0 KiB
C++

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2014 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#include "object_schema.hpp"
#include "object_store.hpp"
using namespace realm;
using namespace std;
ObjectSchema::ObjectSchema(realm::Group *group, std::string name) : name(name) {
TableRef table = ObjectStore::table_for_object_type(group, name);
size_t count = table->get_column_count();
for (size_t col = 0; col < count; col++) {
Property property;
property.name = table->get_column_name(col).data();
property.type = (PropertyType)table->get_column_type(col);
property.is_indexed = table->has_search_index(col);
property.is_primary = false;
property.table_column = col;
if (property.type == PropertyTypeObject || property.type == PropertyTypeArray) {
// set link type for objects and arrays
realm::TableRef linkTable = table->get_link_target(col);
property.object_type = ObjectStore::object_type_for_table_name(linkTable->get_name().data());
}
else {
property.object_type = "";
}
properties.push_back(property);
}
primary_key = realm::ObjectStore::get_primary_key_for_object(group, name);
if (primary_key.length()) {
auto primary_key_iter = primary_key_property();
if (primary_key_iter == properties.end()) {
std::vector<std::string> errors;
errors.push_back("No property matching primary key '" + primary_key + "'");
throw ObjectStoreValidationException(errors, name);
}
primary_key_iter->is_primary = true;
}
}
std::vector<Property>::iterator ObjectSchema::property_for_name(std::string name) {
auto iter = properties.begin();
while (iter < properties.end()) {
if (iter->name == name) {
return iter;
}
iter++;
}
return iter;
}
std::vector<ObjectSchema> ObjectSchema::object_schema_from_group(realm::Group *group) {
// generate object schema and class mapping for all tables in the realm
unsigned long numTables = group->size();
vector<ObjectSchema> object_schema;
for (unsigned long i = 0; i < numTables; i++) {
std::string name = ObjectStore::object_type_for_table_name(group->get_table_name(i).data());
if (name.length()) {
object_schema.push_back(ObjectSchema(group, name));
}
}
return object_schema;
}