private void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
Close();
_Envelope = null;
tree = null;
}
disposed = true;
}
}
/// <summary>
/// Forces a rebuild of the spatial index. If the instance of the ShapeFile provider
/// uses a file-based index the file is rewritten to disk.
/// </summary>
public void RebuildSpatialIndex()
{
if (this._FileBasedIndex)
{
if (System.IO.File.Exists(_Filename + ".sidx"))
{
System.IO.File.Delete(_Filename + ".sidx");
}
tree = CreateSpatialIndexFromFile(_Filename);
}
else
{
tree = CreateSpatialIndex(_Filename);
}
if (System.Web.HttpContext.Current != null)
{
//TODO: Remove this when connection pooling is implemented:
System.Web.HttpContext.Current.Cache.Insert(_Filename, tree, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromDays(1));
}
}
private void LoadSpatialIndex(bool ForceRebuild, bool LoadFromFile)
{
//Only load the tree if we haven't already loaded it, or if we want to force a rebuild
if (tree == null || ForceRebuild)
{
// Is this a web application? If so lets store the index in the cache so we don't
// need to rebuild it for each request
if (System.Web.HttpContext.Current != null)
{
//Check if the tree exists in the cache
if (System.Web.HttpContext.Current.Cache[_Filename] != null)
{
tree = (Utilities.SpatialIndexing.QuadTree)System.Web.HttpContext.Current.Cache[_Filename];
}
else
{
if (!LoadFromFile)
{
tree = CreateSpatialIndex(_Filename);
}
else
{
tree = CreateSpatialIndexFromFile(_Filename);
}
//Store the tree in the web cache
//TODO: Remove this when connection pooling is implemented
System.Web.HttpContext.Current.Cache.Insert(_Filename, tree, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromDays(1));
}
}
else
if (!LoadFromFile)
{
tree = CreateSpatialIndex(_Filename);
}
else
{
tree = CreateSpatialIndexFromFile(_Filename);
}
}
}
private void LoadSpatialIndex(bool ForceRebuild, bool LoadFromFile)
{
//Only load the tree if we haven't already loaded it, or if we want to force a rebuild
if (tree == null || ForceRebuild)
{
// Is this a web application? If so lets store the index in the cache so we don't
// need to rebuild it for each request
if (System.Web.HttpContext.Current != null)
{
//Check if the tree exists in the cache
if (System.Web.HttpContext.Current.Cache[_Filename] != null)
tree = (Utilities.SpatialIndexing.QuadTree)System.Web.HttpContext.Current.Cache[_Filename];
else
{
if (!LoadFromFile)
tree = CreateSpatialIndex(_Filename);
else
tree = CreateSpatialIndexFromFile(_Filename);
//Store the tree in the web cache
//TODO: Remove this when connection pooling is implemented
System.Web.HttpContext.Current.Cache.Insert(_Filename, tree, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromDays(1));
}
}
else
if (!LoadFromFile)
tree = CreateSpatialIndex(_Filename);
else
tree = CreateSpatialIndexFromFile(_Filename);
}
}
private void Dispose(bool disposing)
{
if (!disposed)
{
if (disposing)
{
Close();
_Envelope = null;
tree = null;
}
disposed = true;
}
}
/// <summary>
/// Forces a rebuild of the spatial index. If the instance of the ShapeFile provider
/// uses a file-based index the file is rewritten to disk.
/// </summary>
public void RebuildSpatialIndex()
{
if (this._FileBasedIndex)
{
if (System.IO.File.Exists(_Filename + ".sidx"))
System.IO.File.Delete(_Filename + ".sidx");
tree = CreateSpatialIndexFromFile(_Filename);
}
else
tree = CreateSpatialIndex(_Filename);
if (System.Web.HttpContext.Current != null)
//TODO: Remove this when connection pooling is implemented:
System.Web.HttpContext.Current.Cache.Insert(_Filename, tree, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromDays(1));
}