public async override Task <List <K> > ToListAsync(CancellationToken cancellationToken = default(CancellationToken))
{
QueryCommand queryCommand = _context.Database.QuerySingleField(_context, SpecifiedFieldInfo, _query, _order, false, _region);
DataDefine define = DataDefine.GetDefine(typeof(K));
return(await _context.QueryDataDefineListAsync <K>(define, _level, queryCommand.Command, queryCommand.InnerPage?null : _region, null, null, cancellationToken));
}
public override List <K> ToList()
{
QueryCommand queryCommand = _context.Database.QuerySingleField(_context, SpecifiedFieldInfo, _query, _order, false, _region);
DataDefine define = DataDefine.GetDefine(typeof(K));
return(_context.QueryDataDefineList <K>(define, _level, queryCommand.Command, queryCommand.InnerPage ? null : _region, null, null));
}
public override IEnumerator <K> GetEnumerator()
{
var queryCommand = _context.Database.QuerySingleField(_context, SpecifiedFieldInfo, _query, _order, false, _region);
var define = DataDefine.GetDefine(typeof(K));
return(_context.QueryDataDefineReader <K>(define, _level, queryCommand.Command, queryCommand.InnerPage ? null : _region, null, null).GetEnumerator());
}
public override K ElementAt(int index)
{
Region region = new Region(index, 1);
QueryCommand queryCommand = _context.Database.QuerySingleField(_context, SpecifiedFieldInfo, _query, _order, false, region);
DataDefine define = DataDefine.GetDefine(typeof(K));
return(_context.QueryDataDefineSingle <K>(define, _level, queryCommand.Command, queryCommand.InnerPage ? 0 : region.Start, null, null));
}
public async override Task <K> ElementAtAsync(int index, CancellationToken cancellationToken = default(CancellationToken))
{
Region region = new Region(index, 1);
QueryCommand queryCommand = _context.Database.QuerySingleField(_context, SpecifiedFieldInfo, _query, _order, false, region);
DataDefine define = DataDefine.GetDefine(typeof(K));
return(await _context.QueryDataDefineSingleAsync <K>(define, _level, queryCommand.Command, queryCommand.InnerPage? 0 : region.Start, null, null, cancellationToken));
}
public override async Task <bool> ExistsAsync(CancellationToken cancellationToken = default)
{
var queryCommand = _context.Database.Exists(_context, _mapping, _query);
var define = DataDefine.GetDefine(typeof(int?));
var obj = await _context.QueryDataDefineSingleAsync <int?>(define, _level, queryCommand.Command, 0, null, null, cancellationToken);
return(obj.HasValue);
}
public override bool Exists()
{
var queryCommand = _context.Database.Exists(_context, _mapping, _query);
var define = DataDefine.GetDefine(typeof(int?));
var obj = _context.QueryDataDefineSingle <int?>(define, _level, queryCommand.Command, 0, null, null);
return(obj.HasValue);
}
private SoloFieldDataMapping(Type type)
: base(type)
{
dataDefine = DataDefine.GetDefine(type);
}