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Added ImageFileCache, removed TileImageLoader.CreateCache.

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ClemensF 2012-08-15 21:31:10 +02:00
parent ae4fb7881a
commit db1201ad47
12 changed files with 490 additions and 121 deletions
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86
Caching/FileDbCache/FileDbCache.cs
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@ -12,7 +12,7 @@ namespace Caching
/// <summary>
/// ObjectCache implementation based on EzTools FileDb - http://www.eztools-software.com/tools/filedb/.
/// </summary>
public class FileDbCache : ObjectCache, IDisposable
public class FileDbCache : ObjectCache
{
private const string keyField = "Key";
private const string valueField = "Value";
@ -67,7 +67,7 @@ namespace Caching
}
this.name = name;
path = Path.Combine(directory, name);
path = Path.Combine(directory, name.Trim());
if (string.IsNullOrEmpty(Path.GetExtension(path)))
{
@ -91,6 +91,11 @@ namespace Caching
{
CreateDatabase();
}
if (fileDb.IsOpen)
{
AppDomain.CurrentDomain.ProcessExit += OnProcessExit;
}
}
public bool AutoFlush
@ -406,12 +411,45 @@ namespace Caching
}
}
public void Dispose()
public void Close()
{
if (fileDb.IsOpen)
{
fileDb.Close();
AppDomain.CurrentDomain.ProcessExit -= OnProcessExit;
}
}
private void OnProcessExit(object sender, EventArgs e)
{
Close();
}
private void CreateDatabase()
{
if (fileDb.IsOpen)
{
fileDb.Close();
}
if (File.Exists(path))
{
File.Delete(path);
}
else
{
Directory.CreateDirectory(Path.GetDirectoryName(path));
}
fileDb.Create(path,
new Field[]
{
new Field(keyField, DataTypeEnum.String) { IsPrimaryKey = true },
new Field(valueField, DataTypeEnum.Byte) { IsArray = true },
new Field(expiresField, DataTypeEnum.DateTime)
});
Trace.TraceInformation("FileDbCache: Created database {0}", path);
}
private bool RepairDatabase()
@ -420,47 +458,19 @@ namespace Caching
{
fileDb.Reindex();
}
catch (Exception ex)
catch (Exception ex1)
{
Trace.TraceWarning("FileDbCache: FileDb.Reindex() failed: {0}", ex.Message);
return CreateDatabase();
}
Trace.TraceWarning("FileDbCache: FileDb.Reindex() failed: {0}", ex1.Message);
return true;
}
private bool CreateDatabase()
{
if (fileDb.IsOpen)
{
fileDb.Close();
}
try
{
if (File.Exists(path))
try
{
File.Delete(path);
CreateDatabase();
}
else
catch (Exception ex2)
{
Directory.CreateDirectory(Path.GetDirectoryName(path));
Trace.TraceWarning("FileDbCache: Creating database {0} failed: {1}", path, ex2.Message);
return false;
}
fileDb.Create(path,
new Field[]
{
new Field(keyField, DataTypeEnum.String) { IsPrimaryKey = true },
new Field(valueField, DataTypeEnum.Byte) { IsArray = true },
new Field(expiresField, DataTypeEnum.DateTime)
});
Trace.TraceInformation("FileDbCache: Created database {0}", path);
}
catch (Exception ex)
{
Trace.TraceWarning("FileDbCache: Creating database failed: {0}", ex.Message);
return false;
}
return true;