/// <summary>
/// <see cref="Equals(object)"/>
/// </summary>
public override bool Equals(object obj)
{
if (ReferenceEquals(obj, null))
{
return(false);
}
if (ReferenceEquals(obj, this))
{
return(true);
}
if (obj.GetType() != typeof(MapField))
{
return(false);
}
MapField other = (MapField)obj;
return(Name.Equals(other.Name) && Key.Equals(other.Key) && Value.Equals(other.Value));
}
/// <summary>
/// Gets a flat list of all data fields in this schema
/// </summary>
/// <returns></returns>
public DataField[] GetDataFields()
{
var result = new List <DataField>();
void analyse(Field f)
{
switch (f.SchemaType)
{
case SchemaType.Data:
result.Add((DataField)f);
break;
case SchemaType.List:
analyse(((ListField)f).Item);
break;
case SchemaType.Map:
MapField mf = (MapField)f;
analyse(mf.Key);
analyse(mf.Value);
break;
case SchemaType.Struct:
StructField sf = (StructField)f;
traverse(sf.Fields);
break;
}
}
void traverse(IEnumerable <Field> fields)
{
foreach (Field f in fields)
{
analyse(f);
}
}
traverse(Fields);
return(result.ToArray());
}
public static void Append(
Dictionary <string, IList> columns,
IReadOnlyList <Field> schema,
Row row)
{
DataSetValidator.ValidateRow(row, schema);
for (int i = 0; i < schema.Count; i++)
{
Field field = schema[i];
object value = row[i];
switch (field.SchemaType)
{
case SchemaType.Map:
MapField mapField = (MapField)field;
IList keys = GetValues(columns, mapField.Key, true, true);
IList values = GetValues(columns, mapField.Value, true, true);
((MapField)field).AddElement(keys, values, value as IDictionary);
break;
case SchemaType.Struct:
AddStructure(columns, field as StructField, value as Row);
break;
case SchemaType.List:
AddList(columns, field as ListField, value);
break;
default:
values = GetValues(columns, (DataField)field, true);
values.Add(value);
break;
}
}
}
public override bool Equals(Object obj)
{
MapField other = (MapField)obj;
return(Name.Equals(other.Name) && KeyType.Equals(other.KeyType) && ValueType.Equals(other.ValueType));
}