// ========================================
// constructor
// ========================================
public ResourceCache()
{
_keyToResourceCreatorPolicyTuple = new Dictionary <object, ResourceCreatorPolicyTuple>();
_keyToResource = new Dictionary <object, IDisposable>();
_keyToImmediateResource = new Dictionary <object, IDisposable>();
_context = new ResourceUsingContext(this);
_usingDepth = 0;
_enabled = true;
}
// ========================================
// method
// ========================================
// === IDisposable ==========
public void Dispose()
{
DisposeResources();
_keyToResourceCreatorPolicyTuple.Clear();
_keyToResource = null;
_keyToImmediateResource = null;
_keyToResourceCreatorPolicyTuple = null;
_context = null;
GC.SuppressFinalize(this);
}