public void GetFilter()
{
var textSerializer = new Serialize.Linq.Serializers.JsonSerializer();
var expressionSerializer = new Serialize.Linq.Serializers.ExpressionSerializer(textSerializer);
Expression <Func <object, bool> > exp = i => ((IWB)i).StatusCode == "IWB_COMPLETED";
var strExpr = expressionSerializer.SerializeText(exp);
var desExpr = (Expression <Func <object, bool> >)expressionSerializer.DeserializeText(strExpr);
var compileDesExpr = desExpr.Compile();
BLHelper.InitBL(dalType: DALType.Oracle);
var mgr = IoC.Instance.Resolve <IBaseManager <IWB> >();
var items = mgr.GetFiltered("STATUSCODE_R = 'IWB_COMPLETED' and ROWNUM < 2");
items.Should().NotBeEmpty("Ничего не получили, нет смысла проверять дальше");
var res = items.Where(compileDesExpr);
res.Should().HaveCount(items.Count());
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
object result = null;
if (objectType.IsGenericType)
{
var genericType = objectType.GetGenericTypeDefinition();
var expressionSerializer = new Serialize.Linq.Serializers.JsonSerializer();
if (genericType == typeof(FilterHandle <>))
{
JObject jObject = JObject.Load(reader);
var expressionJson = jObject.First.First.ToString();
var expressionNode = expressionSerializer.Deserialize <ExpressionNode>(expressionJson);
var expression = expressionNode.ToBooleanExpression <T>();
result = new FilterHandle <T>(expression);
}
else if (genericType == typeof(NavigationPropertiesHandle <>))
{
JObject jObject = JObject.Load(reader);
var expressionObjects = jObject.First.First;
Expression <Func <T, object> >[] expressionArray = new Expression <Func <T, object> > [expressionObjects.Count()];
int index = 0;
foreach (var expressionToken in expressionObjects)
{
var expressionJson = expressionToken.First.First.ToString();
var expressionNode = expressionSerializer.Deserialize <ExpressionNode>(expressionJson);
var expression = expressionNode.ToExpression <Func <T, object> >();
expressionArray[index] = expression;
index++;
}
result = new NavigationPropertiesHandle <T>(expressionArray);
}
}
return(result);
}
