Make a bunch of things const

This commit is contained in:
Thomas Goyne 2015-09-04 09:40:29 -07:00
parent 14004504b1
commit dbac77f69b
6 changed files with 52 additions and 43 deletions

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@ -28,9 +28,8 @@ using namespace realm;
ObjectSchema::~ObjectSchema() = default;
ObjectSchema::ObjectSchema(Group *group, const std::string &name) : name(name) {
TableRef tableRef = ObjectStore::table_for_object_type(group, name);
Table *table = tableRef.get();
ObjectSchema::ObjectSchema(const Group *group, const std::string &name) : name(name) {
ConstTableRef table = ObjectStore::table_for_object_type(group, name);
size_t count = table->get_column_count();
properties.reserve(count);
@ -44,7 +43,7 @@ ObjectSchema::ObjectSchema(Group *group, const std::string &name) : name(name) {
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);
ConstTableRef linkTable = table->get_link_target(col);
property.object_type = ObjectStore::object_type_for_table_name(linkTable->get_name().data());
}
properties.push_back(std::move(property));

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@ -35,7 +35,7 @@ namespace realm {
// create object schema from existing table
// if no table is provided it is looked up in the group
ObjectSchema(Group *group, const std::string &name);
ObjectSchema(const Group *group, const std::string &name);
std::string name;
std::vector<Property> properties;
@ -46,6 +46,9 @@ namespace realm {
Property *primary_key_property() {
return property_for_name(primary_key);
}
const Property *primary_key_property() const {
return property_for_name(primary_key);
}
};
}

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@ -45,7 +45,7 @@ const size_t c_object_table_prefix_length = c_object_table_prefix.length();
const uint64_t ObjectStore::NotVersioned = std::numeric_limits<uint64_t>::max();
bool ObjectStore::has_metadata_tables(Group *group) {
bool ObjectStore::has_metadata_tables(const Group *group) {
return group->get_table(c_primaryKeyTableName) && group->get_table(c_metadataTableName);
}
@ -71,8 +71,8 @@ bool ObjectStore::create_metadata_tables(Group *group) {
return changed;
}
uint64_t ObjectStore::get_schema_version(Group *group) {
TableRef table = group->get_table(c_metadataTableName);
uint64_t ObjectStore::get_schema_version(const Group *group) {
ConstTableRef table = group->get_table(c_metadataTableName);
if (!table || table->get_column_count() == 0) {
return ObjectStore::NotVersioned;
}
@ -84,8 +84,8 @@ void ObjectStore::set_schema_version(Group *group, uint64_t version) {
table->set_int(c_versionColumnIndex, c_zeroRowIndex, version);
}
StringData ObjectStore::get_primary_key_for_object(Group *group, StringData object_type) {
TableRef table = group->get_table(c_primaryKeyTableName);
StringData ObjectStore::get_primary_key_for_object(const Group *group, StringData object_type) {
ConstTableRef table = group->get_table(c_primaryKeyTableName);
if (!table) {
return "";
}
@ -132,6 +132,10 @@ TableRef ObjectStore::table_for_object_type(Group *group, StringData object_type
return group->get_table(table_name_for_object_type(object_type));
}
ConstTableRef ObjectStore::table_for_object_type(const Group *group, StringData object_type) {
return group->get_table(table_name_for_object_type(object_type));
}
TableRef ObjectStore::table_for_object_type_create_if_needed(Group *group, const StringData &object_type, bool &created) {
return group->get_or_add_table(table_name_for_object_type(object_type), &created);
}
@ -147,7 +151,7 @@ static bool compare_by_name(ObjectSchema const& lft, ObjectSchema const& rgt) {
return lft.name < rgt.name;
}
void ObjectStore::verify_schema(Schema const& actual_schema, Schema &target_schema, bool allow_missing_tables) {
void ObjectStore::verify_schema(Schema const& actual_schema, Schema& target_schema, bool allow_missing_tables) {
std::sort(begin(target_schema), end(target_schema), compare_by_name);
std::vector<ObjectSchemaValidationException> errors;
@ -169,7 +173,9 @@ void ObjectStore::verify_schema(Schema const& actual_schema, Schema &target_sche
}
}
std::vector<ObjectSchemaValidationException> ObjectStore::verify_object_schema(ObjectSchema const& table_schema, ObjectSchema &target_schema, Schema &schema) {
std::vector<ObjectSchemaValidationException> ObjectStore::verify_object_schema(ObjectSchema const& table_schema,
ObjectSchema& target_schema,
Schema const& schema) {
std::vector<ObjectSchemaValidationException> exceptions;
ObjectSchema cmp;
@ -334,7 +340,7 @@ bool ObjectStore::create_tables(Group *group, Schema &target_schema, bool update
return changed;
}
bool ObjectStore::is_schema_at_version(Group *group, uint64_t version) {
bool ObjectStore::is_schema_at_version(const Group *group, uint64_t version) {
uint64_t old_version = get_schema_version(group);
if (old_version > version && old_version != NotVersioned) {
throw InvalidSchemaVersionException(old_version, version);
@ -342,7 +348,7 @@ bool ObjectStore::is_schema_at_version(Group *group, uint64_t version) {
return old_version == version;
}
bool ObjectStore::needs_update(Schema const& old_schema, Schema& schema) {
bool ObjectStore::needs_update(Schema const& old_schema, Schema const& schema) {
for (auto const& target_schema : schema) {
auto matching_schema = std::lower_bound(begin(old_schema), end(old_schema), target_schema, compare_by_name);
if (matching_schema == end(old_schema) || matching_schema->name != target_schema.name) {
@ -401,7 +407,7 @@ bool ObjectStore::update_realm_with_schema(Group *group, Schema const& old_schem
return true;
}
Schema ObjectStore::schema_from_group(Group *group) {
Schema ObjectStore::schema_from_group(const Group *group) {
Schema schema;
for (size_t i = 0; i < group->size(); i++) {
std::string object_type = object_type_for_table_name(group->get_table_name(i));
@ -443,14 +449,14 @@ bool ObjectStore::update_indexes(Group *group, Schema &schema) {
return changed;
}
void ObjectStore::validate_primary_column_uniqueness(Group *group, Schema &schema) {
void ObjectStore::validate_primary_column_uniqueness(const Group *group, Schema const& schema) {
for (auto& object_schema : schema) {
auto primary_prop = object_schema.primary_key_property();
if (!primary_prop) {
continue;
}
TableRef table = table_for_object_type(group, object_schema.name);
ConstTableRef table = table_for_object_type(group, object_schema.name);
if (table->get_distinct_view(primary_prop->table_column).size() != table->size()) {
throw DuplicatePrimaryKeyValueException(object_schema.name, *primary_prop);
}
@ -567,4 +573,3 @@ DuplicatePrimaryKeysException::DuplicatePrimaryKeysException(std::string object_
{
m_what = "Duplicate primary keys for object '" + object_type + "'.";
}

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@ -37,19 +37,19 @@ namespace realm {
static const uint64_t NotVersioned;
// get the last set schema version
static uint64_t get_schema_version(Group *group);
static uint64_t get_schema_version(const Group *group);
// checks if the schema in the group is at the given version
static bool is_schema_at_version(realm::Group *group, uint64_t version);
static bool is_schema_at_version(const Group *group, uint64_t version);
// verify that schema from a group and a target schema are compatible
// updates the column mapping on all ObjectSchema properties of the target schema
// throws if the schema is invalid or does not match
static void verify_schema(Schema const& actual_schema, Schema &target_schema, bool allow_missing_tables = false);
static void verify_schema(Schema const& actual_schema, Schema& target_schema, bool allow_missing_tables = false);
// determines if a realm with the given old schema needs non-migration
// changes to make it compatible with the given target schema
static bool needs_update(Schema const& old_schema, Schema& schema);
static bool needs_update(Schema const& old_schema, Schema const& schema);
// updates a Realm from old_schema to the given target schema, creating and updating tables as needed
// returns if any changes were made
@ -62,9 +62,10 @@ namespace realm {
// get a table for an object type
static realm::TableRef table_for_object_type(Group *group, StringData object_type);
static realm::ConstTableRef table_for_object_type(const Group *group, StringData object_type);
// get existing Schema from a group
static Schema schema_from_group(Group *group);
static Schema schema_from_group(const Group *group);
// deletes the table for the given type
static void delete_data_for_object(Group *group, const StringData &object_type);
@ -74,7 +75,7 @@ namespace realm {
static void set_schema_version(Group *group, uint64_t version);
// check if the realm already has all metadata tables
static bool has_metadata_tables(Group *group);
static bool has_metadata_tables(const Group *group);
// create any metadata tables that don't already exist
// must be in write transaction to set
@ -88,10 +89,12 @@ namespace realm {
// verify a target schema against an expected schema, setting the table_column property on each schema object
// updates the column mapping on the target_schema
// returns array of validation errors
static std::vector<ObjectSchemaValidationException> verify_object_schema(ObjectSchema const& expected, ObjectSchema &target_schema, Schema &schema);
static std::vector<ObjectSchemaValidationException> verify_object_schema(ObjectSchema const& expected,
ObjectSchema &target_schema,
Schema const& schema);
// get primary key property name for object type
static StringData get_primary_key_for_object(Group *group, StringData object_type);
static StringData get_primary_key_for_object(const Group *group, StringData object_type);
// sets primary key property for object type
// must be in write transaction to set
@ -105,7 +108,7 @@ namespace realm {
static bool update_indexes(Group *group, Schema &schema);
// validates that all primary key properties have unique values
static void validate_primary_column_uniqueness(Group *group, Schema &schema);
static void validate_primary_column_uniqueness(const Group *group, Schema const& schema);
friend ObjectSchema;
};
@ -126,8 +129,8 @@ namespace realm {
class InvalidSchemaVersionException : public MigrationException {
public:
InvalidSchemaVersionException(uint64_t old_version, uint64_t new_version);
uint64_t old_version() { return m_old_version; }
uint64_t new_version() { return m_new_version; }
uint64_t old_version() const { return m_old_version; }
uint64_t new_version() const { return m_new_version; }
private:
uint64_t m_old_version, m_new_version;
};
@ -135,8 +138,8 @@ namespace realm {
class DuplicatePrimaryKeyValueException : public MigrationException {
public:
DuplicatePrimaryKeyValueException(std::string object_type, Property const& property);
std::string object_type() { return m_object_type; }
Property const& property() { return m_property; }
std::string object_type() const { return m_object_type; }
Property const& property() const { return m_property; }
private:
std::string m_object_type;
Property m_property;
@ -156,7 +159,7 @@ namespace realm {
ObjectSchemaValidationException(std::string object_type) : m_object_type(object_type) {}
ObjectSchemaValidationException(std::string object_type, std::string message) :
m_object_type(object_type) { m_what = message; }
std::string object_type() { return m_object_type; }
std::string object_type() const { return m_object_type; }
protected:
std::string m_object_type;
};
@ -165,7 +168,7 @@ namespace realm {
public:
ObjectSchemaPropertyException(std::string object_type, Property const& property) :
ObjectSchemaValidationException(object_type), m_property(property) {}
Property const& property() { return m_property; }
Property const& property() const { return m_property; }
private:
Property m_property;
};
@ -203,8 +206,8 @@ namespace realm {
class MismatchedPropertiesException : public ObjectSchemaValidationException {
public:
MismatchedPropertiesException(std::string object_type, Property const& old_property, Property const& new_property);
Property const& old_property() { return m_old_property; }
Property const& new_property() { return m_new_property; }
Property const& old_property() const { return m_old_property; }
Property const& new_property() const { return m_new_property; }
private:
Property m_old_property, m_new_property;
};
@ -212,8 +215,8 @@ namespace realm {
class ChangedPrimaryKeyException : public ObjectSchemaValidationException {
public:
ChangedPrimaryKeyException(std::string object_type, std::string old_primary, std::string new_primary);
std::string old_primary() { return m_old_primary; }
std::string new_primary() { return m_new_primary; }
std::string old_primary() const { return m_old_primary; }
std::string new_primary() const { return m_new_primary; }
private:
std::string m_old_primary, m_new_primary;
};
@ -221,11 +224,10 @@ namespace realm {
class InvalidPrimaryKeyException : public ObjectSchemaValidationException {
public:
InvalidPrimaryKeyException(std::string object_type, std::string primary_key);
std::string primary_key() { return m_primary_key; }
std::string primary_key() const { return m_primary_key; }
private:
std::string m_primary_key;
};
}
#endif /* defined(REALM_OBJECT_STORE_HPP) */

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@ -221,7 +221,7 @@ static void check_read_write(Realm *realm)
}
}
void Realm::verify_thread()
void Realm::verify_thread() const
{
if (m_thread_id != std::this_thread::get_id()) {
throw IncorrectThreadException("Realm accessed from incorrect thread.");

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@ -84,18 +84,18 @@ namespace realm {
void begin_transaction();
void commit_transaction();
void cancel_transaction();
bool is_in_transaction() { return m_in_transaction; }
bool is_in_transaction() const { return m_in_transaction; }
bool refresh();
void set_auto_refresh(bool auto_refresh) { m_auto_refresh = auto_refresh; }
bool auto_refresh() { return m_auto_refresh; }
bool auto_refresh() const { return m_auto_refresh; }
void notify();
void invalidate();
bool compact();
std::thread::id thread_id() const { return m_thread_id; }
void verify_thread();
void verify_thread() const;
~Realm();