private IEnumerable <T> GetAllEntitiesAsync(IOrganizationService service, QueryExpression qe, int?maxCount, int?pageSize)
{
var page = qe.PageInfo;
IAsyncResult asyncResult = null;
EntityRetrievingMethod = GetEntitiesWithCookie;
int count = 0;
if (maxCount != null && pageSize == null && maxCount < DEFAULT_PAGE_SIZE)
{
// Updte page Size to Max Count to limit the number of records retrieved
pageSize = maxCount;
}
// Check for page Size / Max Count Settings
if (maxCount < pageSize)
{
pageSize = maxCount;
}
if (pageSize != null && pageSize > 0)
{
page.Count = pageSize.Value;
}
page.PageNumber = 1;
page.PagingCookie = null;
var response = GetEntitiesWithCookie(service, qe);
while (response.MoreRecords && response.Entities != null && (maxCount == null || maxCount.Value <= count))
{
UpdatePageCount(page, ref count, maxCount);
page.PageNumber++;
page.PagingCookie = response.Cookie;
// Perform Async call for next set, while yield returning current set
try
{
asyncResult = EntityRetrievingMethod.BeginInvoke(service, qe, null, this);
// Retrieve all records from the result set.
foreach (T entity in response.Entities)
{
yield return(entity);
}
}
finally
{
if (asyncResult != null)
{
response = EntityRetrievingMethod.EndInvoke(asyncResult);
asyncResult.AsyncWaitHandle.Close();
}
}
}
if (response.Entities == null)
{
yield break;
}
else
{
foreach (T entity in response.Entities)
{
yield return(entity);
}
}
}
private IEnumerable <T> GetAllEntitiesInstance(IOrganizationService service, QueryExpression qe, int?maxCount, int?pageSize, bool async)
{
var page = qe.PageInfo;
IAsyncResult asyncResult = null;
EntityRetrievingMethod = GetEntitiesWithCookie;
var count = 0;
if (maxCount != null && pageSize == null && maxCount < DefaultPageSize)
{
// Update page Size to Max Count to limit the number of records retrieved
pageSize = maxCount;
}
// Check for page Size / Max Count Settings
if (maxCount < pageSize)
{
pageSize = maxCount;
}
if (pageSize != null && pageSize > 0)
{
page.Count = pageSize.Value;
}
page.PageNumber = 1;
page.PagingCookie = null;
var response = GetEntitiesWithCookie(service, qe);
while (response.MoreRecords && response.Entities != null && (maxCount == null || maxCount.Value <= count))
{
UpdatePageCount(page, ref count, maxCount);
page.PageNumber++;
page.PagingCookie = response.Cookie;
// Perform Async call for next set, while yield returning current set
try
{
// If async, begin request to get new entities before yielding results
if (async)
{
asyncResult = EntityRetrievingMethod.BeginInvoke(service, qe, null, this);
}
// Retrieve all records from the result set.
foreach (var entity in response.Entities)
{
yield return(entity);
}
// If sync, wait until all entities have been returned, then get entities
if (!async)
{
response = GetEntitiesWithCookie(service, qe);
}
}
finally
{
if (asyncResult != null)
{
response = EntityRetrievingMethod.EndInvoke(asyncResult);
asyncResult.AsyncWaitHandle.Close();
}
}
}
if (response.Entities == null)
{
yield break;
}
foreach (var entity in response.Entities)
{
yield return(entity);
}
}