/// <summary>
/// 序列化
/// </summary>
/// <param name="data"></param>
/// <param name="ty"></param>
static void SerializeResultToDisk(QueryResponseType data, QueryableTypes ty)
{
if (data.Status.code == StatusTypeCode.OK)
{
#region 输出成功
foreach (var s in data.Status.Status)
{
#region 访问所有的状态
if (s.code == StatusTypeCode.OK)
{
// use LINQ to match successful status result with matching dataset
DataType d = data.Data.Where(q => q.itemIDRef == s.@ref).FirstOrDefault();
if (d != null)
{
XmlSerializer sr = new XmlSerializer(typeof(DataType));
XmlWriterSettings settings = new XmlWriterSettings()
{
Indent = true,
NewLineHandling = NewLineHandling.Entitize
};
// Simply dump dataset to xml file on disk...
using (XmlWriter wr = XmlWriter.Create(ty + "-" + d.itemIDRef.ToString() + ".xml", settings))
{
sr.Serialize(wr, d);
}
}
}
else
{
JLog.Instance.AppInfo(string.Format("code: {0}, comment: {1}", s.code, s.comment));
}
#endregion
}
#endregion
}
else
{
foreach (var stat in data.Status.Status)
{
System.Diagnostics.Debug.WriteLine(string.Format("code: {0}, comment: {1}", stat.code, stat.comment));
}
}
}
/// <summary>
/// Creates a fully formed QueryItemType wrapper
/// </summary>
/// <param name="sEDSQuery">EDS query string</param>
/// <param name="type">EDS object type</param>
/// <param name="PageSize">Number of records EDS needs to fetch</param>
/// <param name="offset">Starting row within dataset</param>
/// <returns></returns>
private static QueryItemType ConstructQueryItem(string sEDSQuery, QueryableTypes type, int PageSize, int offset)
{
return(new QueryItemType()
{
itemID = Guid.NewGuid(),
objectType = type,
Select = new QrySelectType()
{
Item = new QrySimpleTextType()
{
// Place our query expression here...
Query = string.Format(sEDSQuery)
}
},
count = PageSize,
offset = offset
});
}
public void AnalyzeInvocationExpression(SyntaxNodeAnalysisContext context)
{
var invocationExpression = (InvocationExpressionSyntax)context.Node;
if (!(invocationExpression.Expression is MemberAccessExpressionSyntax memberAccessExpression))
{
return;
}
var methodName = memberAccessExpression.Name.Identifier;
if (!queryMethodNames.Contains(methodName.ValueText))
{
return;
}
var methodInfo = context.SemanticModel.GetSymbolInfo(memberAccessExpression, context.CancellationToken);
if (methodInfo.Symbol is IMethodSymbol methodSymbol &&
QueryableTypes.Contains(methodSymbol.ContainingType) &&
methodSymbol.Parameters.Length >= 1 &&
invocationExpression.ArgumentList.Arguments.Count >= 1)
{
foreach (var argument in invocationExpression.ArgumentList.Arguments)
{
if (argument.Expression is LambdaExpressionSyntax lambdaExpression)
{
var typeInfo = context.SemanticModel.GetTypeInfo(argument.Expression);
if (typeInfo.ConvertedType != null && IsPredicate(typeInfo.ConvertedType))
{
AnalyzePredicate(context, methodName, lambdaExpression);
}
}
}
}
}
public void HandleQuery(string sEDSQuery, QueryableTypes type, EDS client, int PageSize, Action <int, int, int> Progress)
{
try
{
int recordsRemaining = 0;
int offset = 0;
bool bFirstTime = true;
int iTotalRecords = 0;
do
{
QueryRequestType req = null;
if (bFirstTime)
{
req = new QueryRequestType()
{
QueryItems = new QueryItemType[]
{
ConstructQueryItem(sEDSQuery, type, PageSize, offset)
},
itemID = Guid.NewGuid(),
TimeoutOverride = m_edsRequestTimeout
};
}
else
{
List <QueryItemType> qItems = new List <QueryItemType>();
req = new QueryRequestType()
{
itemID = Guid.NewGuid(),
TimeoutOverride = m_edsRequestTimeout
};
for (int i = 0; i < m_iBatchSize; i++)
{
qItems.Add(ConstructQueryItem(sEDSQuery, type, PageSize, offset + (PageSize * i)));
}
req.QueryItems = qItems.ToArray();
}
DateTime start = DateTime.Now;
var EDSResponse = client.Query(req);
TimeSpan timespan = DateTime.Now.Subtract(start);
string sError = "";
bool bError = ValidateResponse(EDSResponse, sEDSQuery, type, req.QueryItems, out sError);
if (!bError && EDSResponse != null && EDSResponse.Data != null)
{
if (bFirstTime)
{
DataType d = EDSResponse.Data.First();
iTotalRecords = d.remaining + d.nextOffset;
bFirstTime = false;
}
HandleData(EDSResponse);
var data = EDSResponse.Data.AsQueryable();
recordsRemaining = data.Min(d => d.remaining);
offset = data.Max(d => d.nextOffset);
if (Progress != null)
{
int iTotal = recordsRemaining + offset;
if (iTotal == 0)
{
Progress(100, iTotalRecords, iTotalRecords);
}
else
{
float percentage = ((float)offset / (float)iTotal) * 100;
Progress((int)percentage, offset, iTotal);
}
}
}
else
{
if (bError && Progress != null)
{
throw new Exception(sError);
}
break;
}
} while (recordsRemaining > 0);
}
catch (Exception _ex)
{
Log.Exception(_ex, LogSource);
throw;
}
}
private bool ValidateResponse(QueryResponseType EDSResponse, string sEDSQuery, QueryableTypes type, QueryItemType[] queryItemType, out string sError)
{
if (EDSResponse == null || EDSResponse.Status == null || EDSResponse.Status.Status == null)
{
sError = "Either response, response.Status, or response.Status.Status was null";
return(true);
}
bool error = false;
StringBuilder str = new StringBuilder();
ValidateStatus(new StatusType[] { EDSResponse.Status }, str, ref error, queryItemType);
if (error == true)
{
Log.Error(str.ToString(), LogSource);
}
sError = str.ToString();
return(error);
}