private IComparable PerformArithmeticOperation(IEvaluable evaluable, IJSONDocument document, ArithmeticOperation operation)
{
IJsonValue value1, value2;
if (!Evaluate(out value1, document))
{
return(null);
}
if (!evaluable.Evaluate(out value2, document))
{
return(null);
}
TypeCode actualType1, actualType2;
FieldDataType fieldDataType1 = JSONType.GetJSONType(value1.Value, out actualType1);
FieldDataType fieldDataType2 = JSONType.GetJSONType(value2.Value, out actualType2);
if (fieldDataType1.CompareTo(fieldDataType2) != 0)
{
return(null);
}
return(Evaluator.PerformArithmeticOperation(value1, actualType1, value2, actualType2, operation,
fieldDataType1));
}
public void ApplyValue(params object[] values)
{
if (values != null && values.Length > 0)
{
if (values[0] != null)
{
FieldDataType type = JSONType.GetJSONType(values[0]);
switch (type)
{
case FieldDataType.Number:
_sum += Convert.ToDouble(values[0]);
break;
case FieldDataType.DateTime:
_sum += Convert.ToDateTime(values[0]).ToOADate();
break;
}
}
}
}
public override IJsonValue Evaluate(IJSONDocument document)
{
JSONResult result = (JSONResult)document;
if (result != null)
{
IAggregation aggregation = result.GetAggregation(Name);
if (aggregation != null)
{
FieldDataType dataType = JSONType.GetJSONType(aggregation.Value);
switch (dataType)
{
case FieldDataType.Number:
return(new NumberJsonValue(aggregation.Value));
case FieldDataType.String:
return(new StringJsonValue((string)aggregation.Value));
case FieldDataType.Null:
return(new NullValue());
case FieldDataType.Object:
return(new ObjectJsonValue((IJSONDocument)aggregation.Value));
case FieldDataType.DateTime:
return(new DateTimeJsonValue((DateTime)aggregation.Value));
case FieldDataType.Bool:
return(new BooleanJsonValue((bool)aggregation.Value));
case FieldDataType.Array:
return(new ArrayJsonValue((IJsonValue[])aggregation.Value));
}
}
}
return(base.Evaluate(document));
}
public static IJsonValue Wrap(object value)
{
if (value is JValue)
{
value = ((JValue)value).Value;
}
FieldDataType dataType = JSONType.GetJSONType(value);
IJsonValue jsonValue = null;
switch (dataType)
{
case FieldDataType.Array:
var values = new List <IJsonValue>();
if (value is System.Collections.ArrayList)
{
var array = (System.Collections.ArrayList)value;
foreach (var obj in array)
{
values.Add(Wrap(obj));
}
}
else
{
var array = (Array)value;
foreach (var obj in array)
{
values.Add(Wrap(obj));
}
}
jsonValue = new ArrayJsonValue(values.ToArray());
break;
case FieldDataType.Bool:
jsonValue = new BooleanJsonValue((bool)value);
break;
case FieldDataType.DateTime:
jsonValue = new DateTimeJsonValue((DateTime)value);
break;
case FieldDataType.Null:
jsonValue = new NullValue();
break;
case FieldDataType.Number:
jsonValue = new NumberJsonValue(value);
break;
case FieldDataType.Object:
if (value.GetType() == typeof(JArray))
{
var arr = (JArray)value;
var vals = new List <IJsonValue>();
foreach (var obj in arr)
{
vals.Add(Wrap(obj));
}
jsonValue = new ArrayJsonValue(vals.ToArray());
}
else if (value.GetType() == typeof(IJsonValue[]))
{
var arr = (IJsonValue[])value;
//var vals = new List<IJsonValue>();
//foreach (var obj in arr)
//{
// vals.Add(Wrap(obj));
//}
jsonValue = new ArrayJsonValue(arr); //vals.ToArray());
}
else
{
jsonValue = new ObjectJsonValue(Serialize(value));
}
break;
case FieldDataType.String:
jsonValue = new StringJsonValue((string)value);
break;
}
return(jsonValue);
}
