void object_database::open( const fc::path& data_dir )
{ try {
ilog("Open object_database in ${d}", ("d", data_dir));
_object_id_to_object->open( data_dir / "object_database" / "objects" );
for( auto& space : _index )
{
for( auto& type_index : space )
{
if( type_index )
{
type_index->open( _object_id_to_object );
}
}
}
try {
auto next_ids = fc::raw::unpack<vector<object_id_type>>( _object_id_to_object->fetch( object_id_type() ) );
for( auto id : next_ids )
get_mutable_index( id ).set_next_id( id );
}
catch ( const fc::exception& )
{
wlog( "unable to fetch next ids, must be new object_database" );
}
_data_dir = data_dir;
} FC_CAPTURE_AND_RETHROW( (data_dir) ) }
void database::clear_expired_transactions()
{
//Look for expired transactions in the deduplication list, and remove them.
//Transactions must have expired by at least two forking windows in order to be removed.
auto& transaction_idx = static_cast<transaction_index&>(get_mutable_index(implementation_ids, impl_transaction_object_type));
const auto& dedupe_index = transaction_idx.indices().get<by_expiration>();
while( (!dedupe_index.empty()) && (head_block_time() > dedupe_index.rbegin()->trx.expiration) )
transaction_idx.remove(*dedupe_index.rbegin());
}
void modify( const T& obj, const Lambda& m ) {
get_mutable_index(obj.id).modify(obj,m);
}
void remove( const object& obj ) { get_mutable_index(obj.id).remove( obj ); }
const object& insert( object&& obj ) { return get_mutable_index(obj.id).insert( std::move(obj) ); }
index& get_mutable_index(object_id_type id) { return get_mutable_index(id.space(),id.type()); }
index& get_mutable_index() { return get_mutable_index(T::space_id,T::type_id); }
IndexType& get_mutable_index_type() {
static_assert( std::is_base_of<index,IndexType>::value, "Type must be an index type" );
return static_cast<IndexType&>( get_mutable_index( IndexType::object_type::space_id, IndexType::object_type::type_id ) );
}