public virtual object HandleVlvRequest(DirectoryConnection connection, int maxSize, ILinqToLdapLogger log)
{
if (Options.YieldNoResults)
{
var enumerator = Options.GetEnumerator();
var bindingAttr = new[]
{
0,
null,
0,
enumerator
};
return(ObjectActivator.CreateGenericInstance(typeof(VirtualListView <>), Options.GetEnumeratorReturnType(), bindingAttr, null));
}
if (GetControl <SortRequestControl>(SearchRequest.Controls) == null)
{
throw new InvalidOperationException("Virtual List Views require a sort operation. Please include an OrderBy in your query.");
}
var skip = Options.SkipSize.GetValueOrDefault();
if (GetControl <VlvRequestControl>(SearchRequest.Controls) == null)
{
VlvRequestControl vlvRequest =
new VlvRequestControl(0, Options.TakeSize.GetValueOrDefault(maxSize) - 1, skip + 1)
{
IsCritical = false
};
SearchRequest.Controls.Add(vlvRequest);
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
var response = connection.SendRequest(SearchRequest) as SearchResponse;
response.AssertSuccess();
AssertSortSuccess(response.Controls);
var vlvResponse = GetControl <VlvResponseControl>(response.Controls);
if (vlvResponse == null)
{
throw new InvalidOperationException("The server does not support Virtual List Views. Skip cannot be used. Please use standard paging.");
}
var parameters = new[]
{
vlvResponse.ContentCount,
vlvResponse.ContextId,
vlvResponse.TargetPosition,
Options.GetEnumerator(response.Entries)
};
return(ObjectActivator.CreateGenericInstance(typeof(VirtualListView <>), Options.GetEnumeratorReturnType(), parameters, null));
}
public virtual object HandlePagedRequest(DirectoryConnection connection, PageResultRequestControl pageRequest, ILinqToLdapLogger log)
{
object enumerator;
if (Options.YieldNoResults)
{
enumerator = Options.GetEnumerator();
var bindingAttr = new[]
{
pageRequest.PageSize,
null,
enumerator,
null
};
return(ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), Options.GetEnumeratorReturnType(), bindingAttr, null));
}
if (pageRequest == null)
{
pageRequest = new PageResultRequestControl(Options.PagingOptions.PageSize)
{
Cookie = Options.PagingOptions.NextPage
};
SearchRequest.Controls.Add(pageRequest);
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
var response = connection.SendRequest(SearchRequest) as SearchResponse;
response.AssertSuccess();
AssertSortSuccess(response.Controls);
enumerator = Options.GetEnumerator(response.Entries);
var nextPage = GetControl <PageResultResponseControl>(response.Controls);
var parameters = new[]
{
pageRequest.PageSize,
nextPage?.Cookie,
enumerator,
Options.Filter
};
return(ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), Options.GetEnumeratorReturnType(), parameters, null));
}
public void CreateGenericInstance_performance()
{
var watch = Stopwatch.StartNew();
for (int i = 0; i < Iterations; i++)
{
var parameters = new object[]
{
100,
new byte[0],
new string[0],
""
};
var inst = ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), typeof(string), parameters, null);
}
watch.Stop();
Trace.WriteLine(watch.ElapsedMilliseconds);
}
public IQueryable CreateQuery(Expression expression)
{
var elementType = TypeSystem.GetElementType(expression.Type);
return((IQueryable)ObjectActivator.CreateGenericInstance(typeof(DirectoryQuery <>), elementType, new object[] { this, expression }, null));
}
public virtual object HandleStandardRequest(DirectoryConnection connection, ILinqToLdapLogger log, int maxSize, bool pagingEnabled)
{
if (Options.YieldNoResults)
{
return(ObjectActivator.CreateGenericInstance(typeof(List <>), Options.GetEnumeratorReturnType(), null, null));
}
int pageSize = 0;
int index = 0;
if (pagingEnabled)
{
int maxPageSize = Options.PageSize ?? maxSize;
pageSize = Options.TakeSize.HasValue ? Math.Min(Options.TakeSize.Value, maxPageSize) : maxPageSize;
index = SearchRequest.Controls.Add(new PageResultRequestControl(pageSize));
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
var response = connection.SendRequest(SearchRequest) as SearchResponse;
response.AssertSuccess();
var list = new List <SearchResultEntry>();
list.AddRange(response.Entries.GetRange());
if (pagingEnabled)
{
if (response.Entries.Count > 0)
{
var pageResultResponseControl = GetControl <PageResultResponseControl>(response.Controls);
bool hasMoreResults = pageResultResponseControl != null && pageResultResponseControl.Cookie.Length > 0 && (!Options.TakeSize.HasValue || list.Count < Options.TakeSize.Value);
while (hasMoreResults)
{
SearchRequest.Controls[index] = new PageResultRequestControl(pageSize)
{
Cookie = pageResultResponseControl.Cookie
};
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
response = connection.SendRequest(SearchRequest) as SearchResponse;
response.AssertSuccess();
pageResultResponseControl = GetControl <PageResultResponseControl>(response.Controls);
hasMoreResults = pageResultResponseControl != null && pageResultResponseControl.Cookie.Length > 0 && (!Options.TakeSize.HasValue || list.Count <= Options.TakeSize.Value);
list.AddRange(response.Entries.GetRange());
}
}
}
AssertSortSuccess(response.Controls);
if (Options.TakeSize.HasValue && list.Count > Options.TakeSize.Value)
{
var size = Options.TakeSize.Value;
list.RemoveRange(size, list.Count - size);
}
var enumerator = Options.GetEnumerator(list);
return(ObjectActivator.CreateGenericInstance(typeof(List <>), Options.GetEnumeratorReturnType(), new[] { enumerator }, null));
}
public virtual async System.Threading.Tasks.Task <object> HandlePagedRequestAsync(LdapConnection connection, PageResultRequestControl pageRequest, ILinqToLdapLogger log)
{
if (Options.YieldNoResults)
{
var bindingAttr = new[]
{
pageRequest.PageSize,
null,
Options.GetEnumerator(),
null
};
return(ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), Options.GetEnumeratorReturnType(), bindingAttr, null));
}
if (pageRequest == null)
{
pageRequest = new PageResultRequestControl(Options.PagingOptions.PageSize)
{
Cookie = Options.PagingOptions.NextPage
};
SearchRequest.Controls.Add(pageRequest);
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
#if NET45
return(await System.Threading.Tasks.Task.Factory.FromAsync(
(callback, state) =>
{
return connection.BeginSendRequest(SearchRequest, Options.AsyncProcessing, callback, state);
},
(asyncresult) =>
{
var response = (SearchResponse)connection.EndSendRequest(asyncresult);
response.AssertSuccess();
AssertSortSuccess(response.Controls);
var enumerator = Options.GetEnumerator(response.Entries);
var nextPage = GetControl <PageResultResponseControl>(response.Controls);
var parameters = new[]
{
pageRequest.PageSize,
nextPage?.Cookie,
enumerator,
Options.Filter
};
return ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), Options.GetEnumeratorReturnType(), parameters, null);
},
null
).ConfigureAwait(false));
#else
var response = await System.Threading.Tasks.Task.Run(() => connection.SendRequest(SearchRequest) as SearchResponse).ConfigureAwait(false);
response.AssertSuccess();
AssertSortSuccess(response.Controls);
var enumerator = Options.GetEnumerator(response.Entries);
var nextPage = GetControl <PageResultResponseControl>(response.Controls);
var parameters = new[]
{
pageRequest.PageSize,
nextPage?.Cookie,
enumerator,
Options.Filter
};
return(ObjectActivator.CreateGenericInstance(typeof(LdapPage <>), Options.GetEnumeratorReturnType(), parameters, null));
#endif
}
private async System.Threading.Tasks.Task <object> HandleVlvRequestAsync(LdapConnection connection, int maxSize, ILinqToLdapLogger log)
{
if (Options.YieldNoResults)
{
var enumerator = Options.GetEnumerator();
var bindingAttr = new[]
{
0,
null,
0,
enumerator
};
return(ObjectActivator.CreateGenericInstance(typeof(VirtualListView <>), Options.GetEnumeratorReturnType(), bindingAttr, null));
}
if (GetControl <SortRequestControl>(SearchRequest.Controls) == null)
{
throw new InvalidOperationException("Virtual List Views require a sort operation. Please include an OrderBy in your query.");
}
var skip = Options.SkipSize.GetValueOrDefault();
if (GetControl <VlvRequestControl>(SearchRequest.Controls) == null)
{
VlvRequestControl vlvRequest =
new VlvRequestControl(0, Options.TakeSize.GetValueOrDefault(maxSize) - 1, skip + 1)
{
IsCritical = false
};
SearchRequest.Controls.Add(vlvRequest);
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
#if NET45
return(await System.Threading.Tasks.Task.Factory.FromAsync(
(callback, state) =>
{
return connection.BeginSendRequest(SearchRequest, Options.AsyncProcessing, callback, state);
},
(asyncresult) =>
{
var response = (SearchResponse)connection.EndSendRequest(asyncresult);
response.AssertSuccess();
AssertSortSuccess(response.Controls);
var vlvResponse = GetControl <VlvResponseControl>(response.Controls);
if (vlvResponse == null)
{
throw new InvalidOperationException("The server does not support Virtual List Views. Skip cannot be used. Please use standard paging.");
}
var parameters = new[]
{
vlvResponse.ContentCount,
vlvResponse.ContextId,
vlvResponse.TargetPosition,
Options.GetEnumerator(response.Entries)
};
return ObjectActivator.CreateGenericInstance(typeof(VirtualListView <>), Options.GetEnumeratorReturnType(), parameters, null);
},
null
).ConfigureAwait(false));
#else
var response = await System.Threading.Tasks.Task.Run(() => connection.SendRequest(SearchRequest) as SearchResponse).ConfigureAwait(false);
response.AssertSuccess();
AssertSortSuccess(response.Controls);
var vlvResponse = GetControl <VlvResponseControl>(response.Controls);
if (vlvResponse == null)
{
throw new InvalidOperationException("The server does not support Virtual List Views. Skip cannot be used. Please use standard paging.");
}
var parameters = new[]
{
vlvResponse.ContentCount,
vlvResponse.ContextId,
vlvResponse.TargetPosition,
Options.GetEnumerator(response.Entries)
};
return(ObjectActivator.CreateGenericInstance(typeof(VirtualListView <>), Options.GetEnumeratorReturnType(), parameters, null));
#endif
}
private async System.Threading.Tasks.Task <object> HandleStandardRequestAsync(LdapConnection connection, ILinqToLdapLogger log, int maxSize, bool pagingEnabled)
{
if (Options.YieldNoResults)
{
return(ObjectActivator.CreateGenericInstance(typeof(List <>), Options.GetEnumeratorReturnType(), null, null));
}
int pageSize = 0;
int index = 0;
if (pagingEnabled)
{
int maxPageSize = Options.PageSize ?? maxSize;
pageSize = Options.TakeSize.HasValue ? Math.Min(Options.TakeSize.Value, maxPageSize) : maxPageSize;
index = SearchRequest.Controls.Add(new PageResultRequestControl(pageSize));
}
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
var list = new List <SearchResultEntry>();
SearchResponse response = null;
#if NET45
await System.Threading.Tasks.Task.Factory.FromAsync(
(callback, state) =>
{
return(connection.BeginSendRequest(SearchRequest, Options.AsyncProcessing, callback, state));
},
(asyncresult) =>
{
response = (SearchResponse)connection.EndSendRequest(asyncresult);
response.AssertSuccess();
list.AddRange(response.Entries.GetRange());
},
null
).ConfigureAwait(false);
#else
response = await System.Threading.Tasks.Task.Run(() => connection.SendRequest(SearchRequest) as SearchResponse).ConfigureAwait(false);
response.AssertSuccess();
list.AddRange(response.Entries.GetRange());
#endif
if (pagingEnabled)
{
if (response.Entries.Count > 0)
{
var pageResultResponseControl = GetControl <PageResultResponseControl>(response.Controls);
bool hasMoreResults = pageResultResponseControl != null && pageResultResponseControl.Cookie.Length > 0 && (!Options.TakeSize.HasValue || list.Count < Options.TakeSize.Value);
while (hasMoreResults)
{
SearchRequest.Controls[index] = new PageResultRequestControl(pageSize)
{
Cookie = pageResultResponseControl.Cookie
};
if (log != null && log.TraceEnabled)
{
log.Trace(SearchRequest.ToLogString());
}
#if NET45
await System.Threading.Tasks.Task.Factory.FromAsync(
(callback, state) =>
{
return(connection.BeginSendRequest(SearchRequest, Options.AsyncProcessing, callback, state));
},
(asyncresult) =>
{
response = (SearchResponse)connection.EndSendRequest(asyncresult);
response.AssertSuccess();
pageResultResponseControl = GetControl <PageResultResponseControl>(response.Controls);
hasMoreResults = pageResultResponseControl != null && pageResultResponseControl.Cookie.Length > 0 && (!Options.TakeSize.HasValue || list.Count <= Options.TakeSize.Value);
list.AddRange(response.Entries.GetRange());
},
null
).ConfigureAwait(false);
#else
response = await System.Threading.Tasks.Task.Run(() => connection.SendRequest(SearchRequest) as SearchResponse).ConfigureAwait(false);
response.AssertSuccess();
pageResultResponseControl = GetControl <PageResultResponseControl>(response.Controls);
hasMoreResults = pageResultResponseControl != null && pageResultResponseControl.Cookie.Length > 0 && (!Options.TakeSize.HasValue || list.Count <= Options.TakeSize.Value);
list.AddRange(response.Entries.GetRange());
#endif
}
}
}
AssertSortSuccess(response.Controls);
if (Options.TakeSize.HasValue && list.Count > Options.TakeSize.Value)
{
var size = Options.TakeSize.Value;
list.RemoveRange(size, list.Count - size);
}
var enumerator = Options.GetEnumerator(list);
return(ObjectActivator.CreateGenericInstance(typeof(List <>), Options.GetEnumeratorReturnType(), new[] { enumerator }, null));
}
public object GetEnumerator(List <SearchResultEntry> results)
{
return(ObjectActivator.CreateGenericInstance(typeof(SearchResponseEnumerable <>), GetEnumeratorReturnType(),
new object[] { GetTransformer(), results }, "2"));
}
public object GetEnumerator()
{
return(ObjectActivator.CreateGenericInstance(typeof(SearchResponseEnumerable <>), GetEnumeratorReturnType(),
new object[] { null, GetTransformer() }, "1"));
}
