public void Visit(ListType type)
{
ListArray.Builder resultBuilder = new ListArray.Builder(type.ValueDataType).Reserve(_baseDataTotalElementCount);
//Todo : Support various types
Int64Array.Builder resultValueBuilder = (Int64Array.Builder)resultBuilder.ValueBuilder.Reserve(_baseDataTotalElementCount);
for (int i = 0; i < _baseDataListCount; i++)
{
List <int?> dataList = _baseData[i];
ListArray.Builder builder = new ListArray.Builder(type.ValueField).Reserve(dataList.Count);
Int64Array.Builder valueBuilder = (Int64Array.Builder)builder.ValueBuilder.Reserve(dataList.Count);
foreach (long?value in dataList)
{
if (value.HasValue)
{
builder.Append();
resultBuilder.Append();
valueBuilder.Append(value.Value);
resultValueBuilder.Append(value.Value);
}
else
{
builder.AppendNull();
resultBuilder.AppendNull();
}
}
TestTargetArrayList.Add(builder.Build());
}
ExpectedArray = resultBuilder.Build();
}
public void ListArrayBuilder()
{
var listBuilder = new ListArray.Builder(StringType.Default);
var valueBuilder = listBuilder.ValueBuilder as StringArray.Builder;
Assert.NotNull(valueBuilder);
listBuilder.Append();
valueBuilder.Append("1");
listBuilder.AppendNull();
listBuilder.Append();
valueBuilder.Append("22").Append("33");
listBuilder.Append();
valueBuilder.Append("444").AppendNull().Append("555").Append("666");
var list = listBuilder.Build();
Assert.Equal(
new List <string> {
"1"
},
ConvertStringArrayToList(list.GetSlicedValues(0) as StringArray));
Assert.Null(list.GetSlicedValues(1));
Assert.Equal(
new List <string> {
"22", "33"
},
ConvertStringArrayToList(list.GetSlicedValues(2) as StringArray));
Assert.Equal(
new List <string> {
"444", null, "555", "666"
},
ConvertStringArrayToList(list.GetSlicedValues(3) as StringArray));
List <string> ConvertStringArrayToList(StringArray array)
{
var length = array.Length;
var resultList = new List <string>(length);
for (var index = 0; index < length; index++)
{
resultList.Add(array.GetString(index));
}
return(resultList);
}
}
public void ListArrayBuilder()
{
var listBuilder = new ListArray.Builder(StringType.Default);
var valueBuilder = listBuilder.ValueBuilder as StringArray.Builder;
Assert.NotNull(valueBuilder);
listBuilder.Append();
valueBuilder.Append("1");
listBuilder.AppendNull();
listBuilder.Append();
valueBuilder.Append("22").Append("33");
listBuilder.Append();
valueBuilder.Append("444").AppendNull().Append("555").Append("666");
var list = listBuilder.Build();
Assert.Equal(
new List <string> {
"1"
},
ConvertStringArrayToList(list.GetSlicedValues(0) as StringArray));
Assert.Null(list.GetSlicedValues(1));
Assert.Equal(
new List <string> {
"22", "33"
},
ConvertStringArrayToList(list.GetSlicedValues(2) as StringArray));
Assert.Equal(
new List <string> {
"444", null, "555", "666"
},
ConvertStringArrayToList(list.GetSlicedValues(3) as StringArray));
Assert.Throws <ArgumentOutOfRangeException>(() => list.GetValueLength(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => list.GetValueLength(4));
listBuilder.Resize(2);
var truncatedList = listBuilder.Build();
Assert.Equal(
new List <string> {
"22", "33", "444", null, "555", "666"
},
ConvertStringArrayToList(truncatedList.GetSlicedValues(2) as StringArray));
Assert.Throws <ArgumentOutOfRangeException>(() => truncatedList.GetSlicedValues(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => truncatedList.GetSlicedValues(3));
listBuilder.Clear();
var emptyList = listBuilder.Build();
Assert.Equal(0, emptyList.Length);
List <string> ConvertStringArrayToList(StringArray array)
{
var length = array.Length;
var resultList = new List <string>(length);
for (var index = 0; index < length; index++)
{
resultList.Add(array.GetString(index));
}
return(resultList);
}
}