ClemensFischer/XAML-Map-Control
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Version 4.13.1 Cache "no tile" responses.

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ClemensF 2019-07-22 19:47:57 +02:00
parent 576dd8e8e7
commit 219171381f
27 changed files with 200 additions and 338 deletions
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26
SQLiteCache/Shared/SQLiteCache.cs
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@ -47,6 +47,23 @@ namespace MapControl.Caching
command.Parameters.AddWithValue("@exp", DateTime.UtcNow.Ticks);
command.ExecuteNonQuery();
}
#if DEBUG
using (var command = new SQLiteCommand("select changes()", connection))
{
var deleted = (long)command.ExecuteScalar();
if (deleted > 0)
{
Debug.WriteLine("SQLiteCache: Deleted {0} expired items.", deleted);
}
}
#endif
}
private SQLiteCommand RemoveItemCommand(string key)
{
var command = new SQLiteCommand("delete from items where key = @key", connection);
command.Parameters.AddWithValue("@key", key);
return command;
}
private SQLiteCommand GetItemCommand(string key)
@ -61,14 +78,7 @@ namespace MapControl.Caching
var command = new SQLiteCommand("insert or replace into items (key, expiration, buffer) values (@key, @exp, @buf)", connection);
command.Parameters.AddWithValue("@key", key);
command.Parameters.AddWithValue("@exp", expiration.Ticks);
command.Parameters.AddWithValue("@buf", buffer);
return command;
}
private SQLiteCommand RemoveItemCommand(string key)
{
var command = new SQLiteCommand("delete from items where key = @key", connection);
command.Parameters.AddWithValue("@key", key);
command.Parameters.AddWithValue("@buf", buffer ?? new byte[0]);
return command;
}
}