/// <summary>
/// Get a exist collection. Returns null if not exists
/// </summary>
public CollectionPage Get(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
var pages = _pager.GetSeqPages <CollectionPage>(1); // PageID 1 = Master Collection
var col = pages.FirstOrDefault(x => x.CollectionName.Equals(name, StringComparison.InvariantCultureIgnoreCase));
return(col);
}
/// <summary>
/// Get a exist collection. Returns null if not exists
/// </summary>
public CollectionPage Get(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
if (_cache.Header.FirstCollectionPageID == uint.MaxValue)
{
return(null);
}
var pages = _pager.GetSeqPages <CollectionPage>(_cache.Header.FirstCollectionPageID);
var col = pages.FirstOrDefault(x => x.CollectionName.Equals(name, StringComparison.InvariantCultureIgnoreCase));
return(col);
}
/// <summary>
/// Read all data from a extended page with all subsequences pages if exits
/// </summary>
public byte[] ReadExtendData(uint extendPageID)
{
// read all extended pages and build byte array
using (var buffer = new MemoryStream())
{
foreach (var extendPage in _pager.GetSeqPages <ExtendPage>(extendPageID))
{
buffer.Write(extendPage.Data, 0, extendPage.Data.Length);
}
return(buffer.ToArray());
}
}
