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add isValid methods to results and list

This commit is contained in:
Ari Lazier 2016-05-16 16:01:14 -07:00
parent df716d3da1
commit 592a35a69e
2 changed files with 16 additions and 5 deletions
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18
src/results.cpp
View File

@ -90,15 +90,23 @@ Results::~Results()
}
}
bool Results::is_valid() const
{
if (m_table && !m_table->is_attached())
return false;
if (m_mode == Mode::TableView && (!m_table_view.is_attached() || m_table_view.depends_on_deleted_object()))
return false;
if (m_mode == Mode::LinkView && !m_link_view->is_attached())
return false;
return true;
}
void Results::validate_read() const
{
if (m_realm)
m_realm->verify_thread();
if (m_table && !m_table->is_attached())
throw InvalidatedException();
if (m_mode == Mode::TableView && (!m_table_view.is_attached() || m_table_view.depends_on_deleted_object()))
throw InvalidatedException();
if (m_mode == Mode::LinkView && !m_link_view->is_attached())
if (!is_valid())
throw InvalidatedException();
}

3
src/results.hpp
View File

@ -193,6 +193,9 @@ public:
static void set_table_view(Results& results, TableView&& tv);
};
// Returns if this Results class is still valid
bool is_valid() const;
private:
SharedRealm m_realm;
const ObjectSchema *m_object_schema;