| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| using Apache.Arrow.Types; |
| using System; |
| using System.Collections.Generic; |
| using Apache.Arrow.Memory; |
| |
| namespace Apache.Arrow |
| { |
| public class Date64Array: PrimitiveArray<long> |
| { |
| public Date64Array( |
| ArrowBuffer valueBuffer, ArrowBuffer nullBitmapBuffer, |
| int length, int nullCount, int offset) |
| : this(new ArrayData(Date64Type.Default, length, nullCount, offset, |
| new[] { nullBitmapBuffer, valueBuffer })) |
| { } |
| |
| public class Builder : PrimitiveArrayBuilder<DateTimeOffset, long, Date64Array, Builder> |
| { |
| internal class DateBuilder: PrimitiveArrayBuilder<long, Date64Array, DateBuilder> |
| { |
| protected override Date64Array Build( |
| ArrowBuffer valueBuffer, ArrowBuffer nullBitmapBuffer, |
| int length, int nullCount, int offset) => |
| new Date64Array(valueBuffer, nullBitmapBuffer, length, nullCount, offset); |
| } |
| |
| public Builder() : base(new DateBuilder()) { } |
| |
| protected override long ConvertTo(DateTimeOffset value) |
| { |
| return value.ToUnixTimeMilliseconds(); |
| } |
| } |
| |
| public Date64Array(ArrayData data) |
| : base(data) |
| { |
| data.EnsureDataType(ArrowTypeId.Date64); |
| } |
| |
| public override void Accept(IArrowArrayVisitor visitor) => Accept(this, visitor); |
| |
| public DateTimeOffset? GetDate(int index) |
| { |
| if (!IsValid(index)) |
| { |
| return null; |
| } |
| |
| var values = ValueBuffer.Span.CastTo<long>().Slice(0, Length); |
| var value = values[index]; |
| |
| return DateTimeOffset.FromUnixTimeMilliseconds(value); |
| } |
| } |
| } |