public bool Evaluate(EntitySession session, object entity)
{
var args = new object[Lambda.Parameters.Count];
args[0] = entity;
for (int i = 1; i < Lambda.Parameters.Count; i++)
{
args[i] = session.EvaluateLambdaParameter(Lambda.Parameters[i]);
}
var result = CompiledLambda.DynamicInvoke(args);
return((bool)result);
}
public void EvaluateLocalValues(EntitySession session) {
Util.Check(session != null, "LINQ: Cannot evaluate query parameters, entity session not attached.");
//We proceed in 2 steps:
// 1. We evaluate external parameters (used in lambdas in authorization filters and QueryFilters);
// values are in current OperationContext
// 2. Evaluate local expressions which become final query parameters; they may depend on external params
var extParamArray = Info.ExternalParameters.ToArray();
var extParamValues = new object[extParamArray.Length];
for (int i = 0; i < extParamArray.Length; i++)
extParamValues[i] = session.EvaluateLambdaParameter(extParamArray[i]);
//Evaluate local expressions
ParameterValues = new object[Locals.Count];
for (int i = 0; i < Locals.Count; i++ )
ParameterValues[i] = ExpressionHelper.Evaluate(Locals[i], extParamArray, extParamValues);
}
public void EvaluateLocalValues(EntitySession session)
{
Util.Check(session != null, "LINQ: Cannot evaluate query parameters, entity session not attached.");
//We proceed in 2 steps:
// 1. We evaluate external parameters (used in lambdas in authorization filters and QueryFilters);
// values are in current OperationContext
// 2. Evaluate local expressions which become final query parameters; they may depend on external params
var extParamArray = Info.ExternalParameters.ToArray();
var extParamValues = new object[extParamArray.Length];
for (int i = 0; i < extParamArray.Length; i++)
extParamValues[i] = session.EvaluateLambdaParameter(extParamArray[i]);
//Evaluate local expressions
ParameterValues = new object[Locals.Count];
for (int i = 0; i < Locals.Count; i++ )
ParameterValues[i] = ExpressionHelper.Evaluate(Locals[i], extParamArray, extParamValues);
}
