/// <summary>
/// Continues the search for domain members from the current record location.
/// </summary>
/// <param name="searchContext">Domain provider specific search context returned by FindFirstDomainMembers method.</param>
/// <param name="count">Maximum number of member objects to return.</param>
/// <param name="memberList">Receives an array object that contains the domain Member objects.</param>
/// <returns>True if there are more domain members. Otherwise false is returned.</returns>
public bool FindNextDomainMembers(ref string searchContext, int count, out Member[] memberList)
{
bool moreEntries = false;
// Initialize the outputs.
memberList = null;
// See if there is a valid search context.
SearchState searchState = SearchState.GetSearchState(searchContext);
if (searchState != null)
{
// See if entries are to be returned.
if (count > 0)
{
// Get the domain being searched.
Domain domain = store.GetDomain(searchState.DomainID);
if (domain != null)
{
// Allocate a list to hold the member objects.
ArrayList tempList = new ArrayList(count);
ICSEnumerator enumerator = searchState.Enumerator;
while ((count > 0) && enumerator.MoveNext())
{
// The enumeration returns ShallowNode objects.
ShallowNode sn = enumerator.Current as ShallowNode;
if (sn.Type == NodeTypes.MemberType)
{
tempList.Add(new Member(domain, sn));
--count;
}
}
if (tempList.Count > 0)
{
memberList = tempList.ToArray(typeof(Member)) as Member[];
searchState.CurrentRecord += memberList.Length;
searchState.LastCount = memberList.Length;
moreEntries = (count == 0) ? true : false;
}
}
}
else
{
if (searchState.CurrentRecord < searchState.TotalRecords)
{
moreEntries = true;
}
}
}
return(moreEntries);
}
/// <summary>
/// Continues the search for domain members previous to the current record location.
/// </summary>
/// <param name="searchContext">Domain provider specific search context returned by FindFirstDomainMembers method.</param>
/// <param name="count">Maximum number of member objects to return.</param>
/// <param name="memberList">Receives an array object that contains the domain Member objects.</param>
/// <returns>True if there are more domain members. Otherwise false is returned.</returns>
public bool FindPreviousDomainMembers(ref string searchContext, int count, out Member[] memberList)
{
bool moreEntries = false;
// Initialize the outputs.
memberList = null;
// See if there is a valid search context.
SearchState searchState = SearchState.GetSearchState(searchContext);
if (searchState != null)
{
// Backup the current cursor, but don't go passed the first record.
if (searchState.CurrentRecord > 0)
{
bool invalidIndex = false;
int cursorIndex = (searchState.CurrentRecord - (searchState.LastCount + count));
if (cursorIndex < 0)
{
invalidIndex = true;
count = searchState.CurrentRecord - searchState.LastCount;
cursorIndex = 0;
}
// Set the new index for the cursor.
if (searchState.Enumerator.SetCursor(Simias.Storage.Provider.IndexOrigin.SET, cursorIndex))
{
// Reset the current record.
searchState.CurrentRecord = cursorIndex;
// Complete the search.
FindNextDomainMembers(ref searchContext, count, out memberList);
if ((invalidIndex == false) && (memberList != null))
{
moreEntries = true;
}
}
}
}
return(moreEntries);
}
/// <summary>
/// Starts a search for a specific set of domain members.
/// </summary>
/// <param name="domainID">The identifier of the domain to search for members in.</param>
/// <param name="attributeName">Name of attribute to search.</param>
/// <param name="searchString">String that contains a pattern to search for.</param>
/// <param name="operation">Type of search operation to perform.</param>
/// <param name="count">Maximum number of member objects to return.</param>
/// <param name="searchContext">Receives a provider specific search context object. This object must be serializable.</param>
/// <param name="memberList">Receives an array object that contains the domain Member objects.</param>
/// <param name="total">Receives the total number of objects found in the search.</param>
/// <returns>True if there are more domain members. Otherwise false is returned.</returns>
public bool FindFirstDomainMembers(string domainID, string attributeName, string searchString, SearchOp operation, int count, out string searchContext, out Member[] memberList, out int total)
{
bool moreEntries = false;
// Initialize the outputs.
searchContext = null;
memberList = null;
total = 0;
// Start the search for the specific members of the domain.
Domain domain = store.GetDomain(domainID);
if (domain != null)
{
ICSList list = domain.Search(attributeName, searchString, operation);
SearchState searchState = new SearchState(domainID, list.GetEnumerator() as ICSEnumerator, list.Count);
searchContext = searchState.ContextHandle;
total = list.Count;
moreEntries = FindNextDomainMembers(ref searchContext, count, out memberList);
}
return(moreEntries);
}