public GetDataResult ServiceGetData(GetDataInfo getInfo)
{
GetDataResult res = null;
this._currentOperation = ServiceOperationType.GetData;
try
{
res = this.GetData(getInfo);
}
catch (Exception ex)
{
while (ex.InnerException != null)
{
ex = ex.InnerException;
}
res = new GetDataResult()
{
pageIndex = getInfo.pageIndex, pageCount = getInfo.pageCount,
rows = new Row[0],
dbSetName = getInfo.dbSetName, totalCount = null, error = new ErrorInfo(ex.Message, ex.GetType().Name)
};
this.OnError(ex);
}
finally
{
this._currentOperation = ServiceOperationType.None;
}
return(res);
}
protected GetDataResult GetData(GetDataInfo getInfo)
{
var metadata = this.EnsureMetadataInitialized();
List <MethodDescription> methodList = metadata.methodDescriptions;
MethodDescription method = methodList.Where((m) => m.methodName == getInfo.queryName && m.isQuery == true).FirstOrDefault();
if (method == null)
{
throw new DomainServiceException(string.Format(ErrorStrings.ERR_QUERY_NAME_INVALID, getInfo.queryName));
}
this.Authorizer.CheckUserRightsToExecute(method.methodInfo);
getInfo.dbSetInfo = metadata.dbSets[getInfo.dbSetName];
bool isMultyPageRequest = getInfo.dbSetInfo.enablePaging && getInfo.pageCount > 1;
QueryResult queryResult = null;
int? totalCount = null;
List <object> methParams = new List <object>();
methParams.Add(getInfo);
for (var i = 0; i < method.parameters.Count; ++i)
{
methParams.Add(getInfo.paramInfo.GetValue(method.parameters[i].name, method, this.DataHelper));
}
queryResult = (QueryResult)method.methodInfo.Invoke(this, methParams.ToArray());
IEnumerable entities = (IEnumerable)queryResult.Result;
totalCount = queryResult.TotalCount;
int rowCnt = 0;
LinkedList <object> entityList = new LinkedList <object>();
foreach (object entity in entities)
{
entityList.AddLast(entity);
++rowCnt;
}
var rows = this.CreateRows(getInfo.dbSetInfo, entityList, rowCnt);
IEnumerable <IncludedResult> subResults = this.CreateIncludedResults(getInfo.dbSetInfo, entityList, queryResult.includeNavigations);
GetDataResult res = new GetDataResult()
{
pageIndex = getInfo.pageIndex,
pageCount = getInfo.pageCount,
dbSetName = getInfo.dbSetName,
names = getInfo.dbSetInfo.fieldInfos.Where(f => f.isIncludeInResult()).OrderBy(f => f._ordinal).Select(fi => fi.fieldName),
totalCount = totalCount,
extraInfo = queryResult.extraInfo,
rows = rows,
rowCount = rowCnt,
fetchSize = getInfo.dbSetInfo.FetchSize,
included = subResults,
error = null
};
return((GetDataResult)res);
}
public IncrementalResult(GetDataResult res)
{
this.Data = res;
}
