public bool MoveNext()
{
if (_enumerator.MoveNext() == false)
{
return(false);
}
var output = _enumerator.Current;
_parent._indexContext.CachedProperties.NewDocument();
using (_createBlittableResult.Start())
using (var writer = new BlittableJsonWriter(_parent._indexContext))
{
IPropertyAccessor accessor;
if (_parent._isMultiMap == false)
{
accessor = _parent._propertyAccessor ??
(_parent._propertyAccessor = PropertyAccessor.CreateMapReduceOutputAccessor(output.GetType(), output, _groupByFields));
}
else
{
accessor = TypeConverter.GetPropertyAccessorForMapReduceOutput(output, _groupByFields);
}
_reduceKeyProcessor.Reset();
writer.WriteStartObject();
foreach (var property in accessor.GetPropertiesInOrder(output))
{
var value = property.Value;
var blittableValue = TypeConverter.ToBlittableSupportedType(value, context: _parent._indexContext);
writer.WritePropertyName(property.Key);
WriteValue(writer, blittableValue);
if (property.IsGroupByField)
{
var valueForProcessor = property.GroupByField.GetValue(value, blittableValue);
_reduceKeyProcessor.Process(_parent._indexContext.Allocator, valueForProcessor);
}
}
writer.WriteEndObject();
if (_reduceKeyProcessor.ProcessedFields != _groupByFields.Count)
{
ThrowMissingGroupByFieldsInMapOutput(output, _groupByFields, _parent._compiledIndex);
}
var reduceHashKey = _reduceKeyProcessor.Hash;
writer.FinalizeDocument();
Current.Data = writer.CreateReader();
Current.ReduceKeyHash = reduceHashKey;
}
return(true);
public bool MoveNext()
{
if (_enumerator.MoveNext() == false)
{
return(false);
}
var output = _enumerator.Current;
using (_createBlittableResult.Start())
{
PropertyAccessor accessor;
if (_parent._isMultiMap == false)
{
accessor = _parent._propertyAccessor ??
(_parent._propertyAccessor = PropertyAccessor.CreateMapReduceOutputAccessor(output.GetType(), output, _groupByFields));
}
else
{
accessor = TypeConverter.GetPropertyAccessorForMapReduceOutput(output, _groupByFields);
}
var mapResult = new DynamicJsonValue();
_reduceKeyProcessor.Reset();
var propertiesInOrder = accessor.PropertiesInOrder;
int properties = propertiesInOrder.Count;
for (int i = 0; i < properties; i++)
{
var field = propertiesInOrder[i];
var value = field.Value.GetValue(output);
var blittableValue = TypeConverter.ToBlittableSupportedType(value);
mapResult[field.Key] = blittableValue;
if (field.Value.IsGroupByField)
{
var valueForProcessor = field.Value.GroupByField.GetValue(value, blittableValue);
_reduceKeyProcessor.Process(_parent._indexContext.Allocator, valueForProcessor);
}
}
if (_reduceKeyProcessor.ProcessedFields != _groupByFields.Count)
{
ThrowMissingGroupByFieldsInMapOutput(output, _groupByFields, _parent._compiledIndex);
}
var reduceHashKey = _reduceKeyProcessor.Hash;
Current.Data = _parent._indexContext.ReadObject(mapResult, "map-result");
Current.ReduceKeyHash = reduceHashKey;
}
return(true);
}
public static PropertyAccessor GetPropertyAccessorForMapReduceOutput(object value, HashSet <CompiledIndexField> groupByFields)
{
var type = value.GetType();
if (value is Dictionary <string, object> ) // don't use cache when using dictionaries
{
return(PropertyAccessor.Create(type, value));
}
return(PropertyAccessorCache.GetOrAdd(type, x => PropertyAccessor.CreateMapReduceOutputAccessor(type, value, groupByFields)));
}
public bool MoveNext()
{
if (_enumerator.MoveNext() == false)
return false;
var output = _enumerator.Current;
using (_createBlittableResult.Start())
{
IPropertyAccessor accessor;
if (_parent._isMultiMap == false)
accessor = _parent._propertyAccessor ??
(_parent._propertyAccessor = PropertyAccessor.CreateMapReduceOutputAccessor(output.GetType(), output, _groupByFields));
else
accessor = TypeConverter.GetPropertyAccessorForMapReduceOutput(output, _groupByFields);
var mapResult = new DynamicJsonValue();
_reduceKeyProcessor.Reset();
foreach (var property in accessor.GetPropertiesInOrder(output))
{
var value = property.Value;
var blittableValue = TypeConverter.ToBlittableSupportedType(value, context: _parent._indexContext);
mapResult[property.Key] = blittableValue;
if (property.IsGroupByField)
{
var valueForProcessor = property.GroupByField.GetValue(value, blittableValue);
_reduceKeyProcessor.Process(_parent._indexContext.Allocator, valueForProcessor);
}
}
if (_reduceKeyProcessor.ProcessedFields != _groupByFields.Count)
ThrowMissingGroupByFieldsInMapOutput(output, _groupByFields, _parent._compiledIndex);
var reduceHashKey = _reduceKeyProcessor.Hash;
Current.Data = _parent._indexContext.ReadObject(mapResult, "map-result");
Current.ReduceKeyHash = reduceHashKey;
}
return true;
}
public static PropertyAccessor GetPropertyAccessorForMapReduceOutput(object value, HashSet <string> groupByFields)
{
var type = value.GetType();
return(PropertyAccessorCache.GetOrAdd(type, x => PropertyAccessor.CreateMapReduceOutputAccessor(x, groupByFields)));
}
