Class BinaryViewArray.BuilderBase<TArray, TBuilder>
public abstract class BinaryViewArray.BuilderBase<TArray, TBuilder> : IArrowArrayBuilder<byte, TArray, TBuilder>, IArrowArrayBuilder<TArray, TBuilder>, IArrowArrayBuilder<TArray>, IArrowArrayBuilder where TArray : IArrowArray where TBuilder : class, IArrowArrayBuilder<byte, TArray, TBuilder>
Type Parameters
TArray
TBuilder
- Inheritance
-
BinaryViewArray.BuilderBase<TArray, TBuilder>
- Implements
-
IArrowArrayBuilder<byte, TArray, TBuilder>IArrowArrayBuilder<TArray, TBuilder>IArrowArrayBuilder<TArray>
- Derived
- Inherited Members
Constructors
BuilderBase(IArrowType)
protected BuilderBase(IArrowType dataType)
Parameters
dataType
IArrowType
Properties
BinaryViews
protected ArrowBuffer.Builder<BinaryView> BinaryViews { get; }
Property Value
DataType
protected IArrowType DataType { get; }
Property Value
Instance
protected TBuilder Instance { get; }
Property Value
- TBuilder
Length
Gets the length of the array built so far.
public int Length { get; }
Property Value
NullCount
protected int NullCount { get; }
Property Value
ValidityBuffer
protected ArrowBuffer.BitmapBuilder ValidityBuffer { get; }
Property Value
ValueBuffer
protected ArrowBuffer.Builder<byte> ValueBuffer { get; }
Property Value
Methods
Append(byte)
Appends a value, consisting of a single byte, to the array.
public TBuilder Append(byte value)
Parameters
value
byteByte value to append.
Returns
- TBuilder
Returns the builder (for fluent-style composition).
Append(ReadOnlySpan<byte>)
Append a value, consisting of a span of bytes, to the array.
public TBuilder Append(ReadOnlySpan<byte> span)
Parameters
span
ReadOnlySpan<byte>Span of bytes to add.
Returns
- TBuilder
Returns the builder (for fluent-style composition).
Remarks
Note that a single value is added, which consists of arbitrarily many bytes. If multiple values are to be added, use the AppendRange(IEnumerable<byte>) method.
AppendNull()
Append a single null value to the array.
public TBuilder AppendNull()
Returns
- TBuilder
Returns the builder (for fluent-style composition).
AppendRange(IEnumerable<byte[]>)
Append an enumerable collection of values to the array.
public TBuilder AppendRange(IEnumerable<byte[]> values)
Parameters
values
IEnumerable<byte[]>Values to add.
Returns
- TBuilder
Returns the builder (for fluent-style composition).
AppendRange(IEnumerable<byte>)
Append an enumerable collection of single-byte values to the array.
public TBuilder AppendRange(IEnumerable<byte> values)
Parameters
values
IEnumerable<byte>Single-byte values to add.
Returns
- TBuilder
Returns the builder (for fluent-style composition).
Remarks
Note that this method appends multiple values, each of which is a single byte
Build(ArrayData)
protected abstract TArray Build(ArrayData data)
Parameters
data
ArrayData
Returns
- TArray
Build(MemoryAllocator)
Build an Arrow array from the appended contents so far.
public TArray Build(MemoryAllocator allocator = null)
Parameters
allocator
MemoryAllocatorOptional memory allocator.
Returns
- TArray
Returns an array of type
TArray
.
Clear()
Clear all contents appended so far.
public TBuilder Clear()
Returns
- TBuilder
Returns the builder (for fluent-style composition).
Reserve(int)
public TBuilder Reserve(int capacity)
Parameters
capacity
int
Returns
- TBuilder
Resize(int)
public TBuilder Resize(int length)
Parameters
length
int
Returns
- TBuilder
Set(int, byte)
public TBuilder Set(int index, byte value)
Parameters
Returns
- TBuilder
Swap(int, int)
public TBuilder Swap(int i, int j)
Parameters
Returns
- TBuilder