public final class UInt4Vector extends BaseFixedWidthVector implements BaseIntVector
Modifier and Type | Field and Description |
---|---|
static int |
MAX_UINT4
The maximum 32-bit unsigned integer.
|
static long |
PROMOTION_MASK
The mask to use when promoting the unsigned int value to a long int.
|
static byte |
TYPE_WIDTH |
actualValueCapacity, field, lastValueCapacity, validityBuffer, valueBuffer, valueCount
allocator, fieldReader, INITIAL_VALUE_ALLOCATION, MAX_ALLOCATION_SIZE, MAX_ALLOCATION_SIZE_PROPERTY
Constructor and Description |
---|
UInt4Vector(Field field,
BufferAllocator allocator)
Constructor for UInt4Vector.
|
UInt4Vector(String name,
BufferAllocator allocator) |
UInt4Vector(String name,
FieldType fieldType,
BufferAllocator allocator) |
Modifier and Type | Method and Description |
---|---|
int |
get(int index)
Get the element at the given index from the vector.
|
void |
get(int index,
NullableUInt4Holder holder)
Get the element at the given index from the vector and
sets the state in holder.
|
Types.MinorType |
getMinorType() |
static long |
getNoOverflow(ArrowBuf buffer,
int index)
Given a data buffer, get the value stored at a particular position
in the vector.
|
Integer |
getObject(int index)
Same as
get(int) . |
Long |
getObjectNoOverflow(int index)
Same as
get(int) . |
protected FieldReader |
getReaderImpl()
Each vector has a different reader that implements the FieldReader interface.
|
TransferPair |
getTransferPair(Field field,
BufferAllocator allocator)
Construct a TransferPair comprising this and a target vector of
the same type.
|
TransferPair |
getTransferPair(String ref,
BufferAllocator allocator)
Construct a transfer pair of this vector and another vector of same type.
|
long |
getValueAsLong(int index)
Gets the value at index.
|
TransferPair |
makeTransferPair(ValueVector to)
Makes a new transfer pair used to transfer underlying buffers.
|
void |
set(int index,
int value)
Set the element at the given index to the given value.
|
void |
set(int index,
int isSet,
int value)
Sets the value at index to value isSet > 0, otherwise sets the index position
to invalid/null.
|
void |
set(int index,
NullableUInt4Holder holder)
Set the element at the given index to the value set in data holder.
|
void |
set(int index,
UInt4Holder holder)
Set the element at the given index to the value set in data holder.
|
void |
setSafe(int index,
int value)
Same as
set(int, int) except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity() . |
void |
setSafe(int index,
int isSet,
int value)
Same as
set(int, int, int) but will reallocate if the buffer if index
is larger than the current capacity. |
void |
setSafe(int index,
NullableUInt4Holder holder)
Same as
set(int, NullableUInt4Holder) except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity() . |
void |
setSafe(int index,
UInt4Holder holder)
Same as
set(int, UInt4Holder) except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity() . |
void |
setUnsafeWithPossibleTruncate(int index,
long value)
Sets the value at index, note this value may need to be truncated.
|
void |
setWithPossibleTruncate(int index,
long value)
Sets the value at index, note this value may need to be truncated.
|
String |
toString()
Representation of vector suitable for debugging.
|
accept, allocateNew, allocateNew, allocateNewSafe, clear, close, copyFrom, copyFromSafe, decrementAllocationMonitor, getBuffers, getBufferSize, getBufferSizeFor, getChildrenFromFields, getDataBuffer, getDataBufferAddress, getDataPointer, getDataPointer, getField, getFieldBuffers, getFieldInnerVectors, getName, getNullCount, getOffsetBuffer, getOffsetBufferAddress, getTransferPair, getTransferPair, getTypeWidth, getValidityBuffer, getValidityBufferAddress, getValidityBufferValueCapacity, getValueBufferValueCapacity, getValueCapacity, getValueCount, handleSafe, hashCode, hashCode, incrementAllocationMonitor, initializeChildrenFromFields, isNull, isSafe, isSet, loadFieldBuffers, reAlloc, refreshValueCapacity, reset, set, set, setIndexDefined, setInitialCapacity, setNull, setSafe, setSafe, setValueCount, splitAndTransferTo, transferTo, validateScalars, zeroVector
checkBufRefs, getAllocator, getReader, getValidityBufferSizeFromCount, iterator, releaseBuffer, transferBuffer
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getChildrenFromFields, getDataBufferAddress, getFieldBuffers, getFieldInnerVectors, getOffsetBufferAddress, getValidityBufferAddress, initializeChildrenFromFields, loadFieldBuffers, setNull
accept, allocateNew, allocateNewSafe, clear, close, copyFrom, copyFromSafe, getAllocator, getBuffers, getBufferSize, getBufferSizeFor, getDataBuffer, getField, getName, getNullCount, getOffsetBuffer, getReader, getTransferPair, getTransferPair, getValidityBuffer, getValueCapacity, getValueCount, hashCode, hashCode, isNull, reAlloc, reset, setInitialCapacity, setValueCount, validate, validateFull
forEach, iterator, spliterator
public static final long PROMOTION_MASK
public static final int MAX_UINT4
public static final byte TYPE_WIDTH
public UInt4Vector(String name, BufferAllocator allocator)
public UInt4Vector(String name, FieldType fieldType, BufferAllocator allocator)
public UInt4Vector(Field field, BufferAllocator allocator)
field
- Field typeallocator
- Allocator typeprotected FieldReader getReaderImpl()
BaseValueVector
getReaderImpl
in class BaseValueVector
public Types.MinorType getMinorType()
getMinorType
in interface ValueVector
public static long getNoOverflow(ArrowBuf buffer, int index)
To avoid overflow, the returned type is one step up from the signed type.
This method is mainly meant for integration tests.
buffer
- data bufferindex
- position of the element.public int get(int index) throws IllegalStateException
index
- position of elementIllegalStateException
public void get(int index, NullableUInt4Holder holder)
index
- position of elementpublic Integer getObject(int index)
get(int)
.getObject
in interface ValueVector
index
- position of elementpublic Long getObjectNoOverflow(int index)
get(int)
.index
- position of elementpublic void set(int index, int value)
index
- position of elementvalue
- value of elementpublic void set(int index, NullableUInt4Holder holder) throws IllegalArgumentException
index
- position of elementholder
- nullable data holder for value of elementIllegalArgumentException
public void set(int index, UInt4Holder holder)
index
- position of elementholder
- data holder for value of elementpublic void setSafe(int index, int value)
set(int, int)
except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity()
.index
- position of elementvalue
- value of elementpublic void setSafe(int index, NullableUInt4Holder holder) throws IllegalArgumentException
set(int, NullableUInt4Holder)
except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity()
.index
- position of elementholder
- nullable data holder for value of elementIllegalArgumentException
public void setSafe(int index, UInt4Holder holder)
set(int, UInt4Holder)
except that it handles the
case when index is greater than or equal to existing
value capacity BaseFixedWidthVector.getValueCapacity()
.index
- position of elementholder
- data holder for value of elementpublic void set(int index, int isSet, int value)
public void setSafe(int index, int isSet, int value)
set(int, int, int)
but will reallocate if the buffer if index
is larger than the current capacity.public TransferPair getTransferPair(String ref, BufferAllocator allocator)
BaseFixedWidthVector
getTransferPair
in interface ValueVector
getTransferPair
in class BaseFixedWidthVector
ref
- name of the target vectorallocator
- allocator for the target vectorpublic TransferPair getTransferPair(Field field, BufferAllocator allocator)
getTransferPair
in class BaseFixedWidthVector
field
- Field object used by the target vectorallocator
- allocator for the target vectorTransferPair
public TransferPair makeTransferPair(ValueVector to)
ValueVector
makeTransferPair
in interface ValueVector
to
- the target for the transfertransfer pair
that is used to transfer underlying
buffers into the target vector.public void setWithPossibleTruncate(int index, long value)
BaseIntVector
setWithPossibleTruncate
in interface BaseIntVector
public void setUnsafeWithPossibleTruncate(int index, long value)
BaseIntVector
setUnsafeWithPossibleTruncate
in interface BaseIntVector
public long getValueAsLong(int index)
BaseIntVector
NullPointerException
if the value is null. Note null check could be turned off via NullCheckingForGet
.getValueAsLong
in interface BaseIntVector
public String toString()
BaseValueVector
toString
in class BaseValueVector
Copyright © 2023 The Apache Software Foundation. All rights reserved.