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move property getters to object store code

This commit is contained in:
Ari Lazier 2015-10-13 15:25:06 -07:00
parent 06260bc3f0
commit 8a2e24daac
2 changed files with 102 additions and 57 deletions
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19
object_accessor.cpp
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@ -1,19 +0,0 @@
////////////////////////////////////////////////////////////////////////////
//
// Copyright 2015 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_accessor.hpp"

140
object_accessor.hpp
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@ -21,43 +21,9 @@
#include <string> #include <string>
#include "shared_realm.hpp" #include "shared_realm.hpp"
#include "list.hpp"
namespace realm { namespace realm {
template<typename ValueType, typename ContextType>
class NativeAccessor {
public:
//
// Value converters - template specializations must be implemented for each platform
//
static bool dict_has_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static ValueType dict_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static bool has_default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static ValueType default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static bool to_bool(ContextType ctx, ValueType &val);
static long long to_long(ContextType ctx, ValueType &val);
static float to_float(ContextType ctx, ValueType &val);
static double to_double(ContextType ctx, ValueType &val);
static std::string to_string(ContextType ctx, ValueType &val);
static DateTime to_datetime(ContextType ctx, ValueType &val);
static bool is_null(ContextType ctx, ValueType &val);
// convert value to persisted object
// for existing objects return the existing row index
// for new/updated objects return the row index
static size_t to_object_index(ContextType ctx, SharedRealm &realm, ValueType &val, std::string &type, bool try_update);
// array value acessors
static size_t array_size(ContextType ctx, ValueType &val);
static ValueType array_value_at_index(ContextType ctx, ValueType &val, size_t index);
//
// Deprecated
//
static Mixed to_mixed(ContextType ctx, ValueType &val) { throw std::runtime_error("'Any' type is unsupported"); }
};
class Object { class Object {
public: public:
@ -67,10 +33,13 @@ namespace realm {
ObjectSchema &object_schema; ObjectSchema &object_schema;
Row row; Row row;
// property setter // property getter/setter
template<typename ValueType, typename ContextType> template<typename ValueType, typename ContextType>
inline void set_property_value(ContextType ctx, std::string prop_name, ValueType value, bool try_update); inline void set_property_value(ContextType ctx, std::string prop_name, ValueType value, bool try_update);
template<typename ValueType, typename ContextType>
inline ValueType get_property_value(ContextType ctx, std::string prop_name);
// create an Object from a native representation // create an Object from a native representation
template<typename ValueType, typename ContextType> template<typename ValueType, typename ContextType>
static inline Object create(ContextType ctx, SharedRealm realm, ObjectSchema &object_schema, ValueType value, bool try_update); static inline Object create(ContextType ctx, SharedRealm realm, ObjectSchema &object_schema, ValueType value, bool try_update);
@ -78,6 +47,53 @@ namespace realm {
private: private:
template<typename ValueType, typename ContextType> template<typename ValueType, typename ContextType>
inline void set_property_value_impl(ContextType ctx, Property &property, ValueType value, bool try_update); inline void set_property_value_impl(ContextType ctx, Property &property, ValueType value, bool try_update);
template<typename ValueType, typename ContextType>
inline ValueType get_property_value_impl(ContextType ctx, Property &property);
};
//
// Value converters - template specializations must be implemented for each platform in order to call templated methods on Object
//
template<typename ValueType, typename ContextType>
class NativeAccessor {
public:
static bool dict_has_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static ValueType dict_value_for_key(ContextType ctx, ValueType dict, const std::string &prop_name);
static bool has_default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static ValueType default_value_for_property(ContextType ctx, const ObjectSchema &object_schema, const std::string &prop_name);
static bool to_bool(ContextType, ValueType &);
static ValueType from_bool(ContextType, bool);
static long long to_long(ContextType, ValueType &);
static ValueType from_long(ContextType, long long);
static float to_float(ContextType, ValueType &);
static ValueType from_float(ContextType, float);
static double to_double(ContextType, ValueType &);
static ValueType from_double(ContextType, double);
static std::string to_string(ContextType, ValueType &);
static ValueType from_string(ContextType, StringData);
static DateTime to_datetime(ContextType, ValueType &);
static ValueType from_datetime(ContextType, DateTime);
static bool is_null(ContextType, ValueType &);
static ValueType null_value(ContextType);
// convert value to persisted object
// for existing objects return the existing row index
// for new/updated objects return the row index
static size_t to_object_index(ContextType ctx, SharedRealm &realm, ValueType &val, std::string &type, bool try_update);
static ValueType from_object(ContextType ctx, Object);
// list value acessors
static size_t list_size(ContextType ctx, ValueType &val);
static ValueType list_value_at_index(ContextType ctx, ValueType &val, size_t index);
static ValueType from_list(ContextType ctx, List);
//
// Deprecated
//
static Mixed to_mixed(ContextType ctx, ValueType &val) { throw std::runtime_error("'Any' type is unsupported"); }
}; };
// //
@ -93,6 +109,16 @@ namespace realm {
set_property_value_impl(ctx, *prop, value, try_update); set_property_value_impl(ctx, *prop, value, try_update);
}; };
template <typename ValueType, typename ContextType>
inline ValueType Object::get_property_value(ContextType ctx, std::string prop_name)
{
Property *prop = object_schema.property_for_name(prop_name);
if (!prop) {
throw std::runtime_error("Setting invalid property '" + prop_name + "' on object '" + object_schema.name + "'.");
}
return get_property_value_impl<ValueType>(ctx, *prop);
};
template <typename ValueType, typename ContextType> template <typename ValueType, typename ContextType>
inline void Object::set_property_value_impl(ContextType ctx, Property &property, ValueType value, bool try_update) inline void Object::set_property_value_impl(ContextType ctx, Property &property, ValueType value, bool try_update)
{ {
@ -140,9 +166,9 @@ namespace realm {
case PropertyTypeArray: { case PropertyTypeArray: {
realm::LinkViewRef link_view = row.get_linklist(column); realm::LinkViewRef link_view = row.get_linklist(column);
link_view->clear(); link_view->clear();
size_t count = Accessor::array_size(ctx, value); size_t count = Accessor::list_size(ctx, value);
for (size_t i = 0; i < count; i++) { for (size_t i = 0; i < count; i++) {
ValueType element = Accessor::array_value_at_index(ctx, value, i); ValueType element = Accessor::list_value_at_index(ctx, value, i);
link_view->add(Accessor::to_object_index(ctx, realm, element, property.object_type, try_update)); link_view->add(Accessor::to_object_index(ctx, realm, element, property.object_type, try_update));
} }
break; break;
@ -150,6 +176,44 @@ namespace realm {
} }
} }
template <typename ValueType, typename ContextType>
inline ValueType Object::get_property_value_impl(ContextType ctx, Property &property)
{
using Accessor = NativeAccessor<ValueType, ContextType>;
size_t column = property.table_column;
switch (property.type) {
case PropertyTypeBool:
return Accessor::from_bool(ctx, row.get_bool(column));
case PropertyTypeInt:
return Accessor::from_long(ctx, row.get_int(column));
case PropertyTypeFloat:
return Accessor::from_float(ctx, row.get_float(column));
case PropertyTypeDouble:
return Accessor::from_double(ctx, row.get_double(column));
case PropertyTypeString:
return Accessor::from_string(ctx, row.get_string(column));
case PropertyTypeData:
return Accessor::from_string(ctx, (std::string)row.get_binary(column));
case PropertyTypeAny:
throw "Any not supported";
case PropertyTypeDate:
return Accessor::from_datetime(ctx, row.get_datetime(column));
case PropertyTypeObject: {
auto linkObjectSchema = realm->config().schema->find(property.object_type);
TableRef table = ObjectStore::table_for_object_type(realm->read_group(), linkObjectSchema->name);
if (row.is_null_link(property.table_column)) {
return Accessor::null_value(ctx);
}
return Accessor::from_object(ctx, std::move(Object(realm, *linkObjectSchema, table->get(row.get_link(column)))));
}
case PropertyTypeArray: {
auto arrayObjectSchema = realm->config().schema->find(property.object_type);
return Accessor::from_list(ctx, std::move(List(realm, *arrayObjectSchema, static_cast<LinkViewRef>(row.get_linklist(column)))));
}
}
}
template<typename ValueType, typename ContextType> template<typename ValueType, typename ContextType>
inline Object Object::create(ContextType ctx, SharedRealm realm, ObjectSchema &object_schema, ValueType value, bool try_update) inline Object Object::create(ContextType ctx, SharedRealm realm, ObjectSchema &object_schema, ValueType value, bool try_update)
{ {