public LineEntity this[int lineId]
{
get
{
if (lineList == null)
{
lineList = new List <LineEntity>();
}
LineEntity matchedLine = SearchLineFromLineList(lineId);
if (needCheckQuery)
{
if (matchedLine == null)
{
try
{
matchedLine = SeachLineByQuery(lineId);
lineList.Add(matchedLine);
}
catch (Exception exception)
{
throw exception;
}
}
}
return(matchedLine);
}
}
private LineEntity SeachLineByQuery(int lineId)
{
List <Line> matchedLineList =
metroWeb.MetroWebDatabase.Table <Line>().Select(new Line {
LineId = lineId
});
if (matchedLineList.Count == 0)
{
throw new Exception(string.Format("line id {0} is not found", lineId));
}
LineEntity matchedLineEntity = new LineEntity(metroWeb, matchedLineList[0]);
return(matchedLineEntity);
}
private List <LineEntity> SeachLineByQuery()
{
List <Line> matchedLineList =
metroWeb.MetroWebDatabase.Table <Line>().Select();
List <LineEntity> matchedLineEntityList = new List <LineEntity>();
foreach (Line matchedLine in matchedLineList)
{
if (!lineList.Exists(line => line.LineId == matchedLine.LineId))
{
LineEntity lineEntity = new LineEntity(metroWeb, matchedLine);
matchedLineEntityList.Add(lineEntity);
}
}
return(matchedLineEntityList);
}
private List <LineEntity> SeachLineByQuery(string lineName)
{
List <Line> matchedLineList =
metroWeb.MetroWebDatabase.Table <Line>().Select(new Line {
LineName = lineName
});
if (matchedLineList.Count == 0)
{
throw new Exception(string.Format("line name {0} is not found", lineName));
}
List <LineEntity> matchedLineEntityList = new List <LineEntity>();
foreach (Line matchedLine in matchedLineList)
{
if (!lineList.Exists(line => line.LineId == matchedLine.LineId))
{
LineEntity lineEntity = new LineEntity(metroWeb, matchedLine);
matchedLineEntityList.Add(lineEntity);
}
}
return(matchedLineEntityList);
}