/// <summary>
/// Save a query model result for later lookup.
/// </summary>
/// <param name="queryModel"></param>
/// <param name="result"></param>
/// <returns></returns>
/// <remarks>Cache any QueryReferences that have been looked up in addtion to the result so we know when to
/// invalidate this.</remarks>
public IVariableScopeHolder Add(Remotion.Linq.QueryModel queryModel, Expression result)
{
var scope = new CQReplacementExpression(this, queryModel, _queryModelCache.ContainsKey(queryModel) ? _queryModelCache[queryModel] : null);
var v = new QueryModelCacheLine()
{
_value = result, _referencedQS = _QSReferencedSet.ToArray()
};
_QSReferencedSet.Clear();
AddInternal(queryModel, v);
return(scope);
}
/// <summary>
/// Get back a query replacement. Null we can't find it.
/// </summary>
/// <param name="queryModel"></param>
/// <returns></returns>
public Expression GetReplacement(QueryModel queryModel)
{
QueryModelCacheLine result = null;
if (_queryModelCache.TryGetValue(queryModel, out result))
{
Debug.WriteLine("Cache Lookup QM Would have returned {0} => {1}", queryModel.ToString(), result.ToString());
Debug.Indent();
foreach (var qs in _queryReplacement)
{
Debug.WriteLine("QS {0} => {1}", qs.Key, qs.Value);
}
Debug.Unindent();
return(result._value);
}
return(null);
}
private void AddInternal(Remotion.Linq.QueryModel queryModel, QueryModelCacheLine v)
{
_queryModelCache[queryModel] = v;
Debug.WriteLine("Caching: QM {0} => {1}", queryModel.ToString(), v._value.ToString());
}
public CQReplacementExpression(CodeContext context, QueryModel model, QueryModelCacheLine val)
{
_context = context;
_model = model;
_oldVal = val;
}
public CQReplacementExpression(CodeContext context, QueryModel model, QueryModelCacheLine val)
{
_context = context;
_model = model;
_oldVal = val;
}
private void AddInternal(Remotion.Linq.QueryModel queryModel, QueryModelCacheLine v)
{
_queryModelCache[queryModel] = v;
Debug.WriteLine("Caching: QM {0} => {1}", queryModel.ToString(), v._value.ToString());
}
/// <summary>
/// Save a query model result for later lookup.
/// </summary>
/// <param name="queryModel"></param>
/// <param name="result"></param>
/// <returns></returns>
/// <remarks>Cache any QueryReferences that have been looked up in addtion to the result so we know when to
/// invalidate this.</remarks>
public IVariableScopeHolder Add(Remotion.Linq.QueryModel queryModel, Expression result)
{
var scope = new CQReplacementExpression(this, queryModel, _queryModelCache.ContainsKey(queryModel) ? _queryModelCache[queryModel] : null);
var v = new QueryModelCacheLine() { _value = result, _referencedQS = _QSReferencedSet.ToArray() };
_QSReferencedSet.Clear();
AddInternal(queryModel, v);
return scope;
}
