org.apache.drill.exec.record

Interface VectorWrapper<T extends ValueVector>

All Known Implementing Classes:

HyperVectorWrapper, SimpleVectorWrapper

public interface VectorWrapper<T extends ValueVector>

Method Summary

Modifier and Type	Method and Description
void	clear()
VectorWrapper<T>	cloneAndTransfer(BufferAllocator allocator)
VectorWrapper<?>	getChildWrapper(int[] ids)
MaterializedField	getField()
TypedFieldId	getFieldIdIfMatches(int id, SchemaPath expectedPath) Traverse the object graph and determine whether the provided SchemaPath matches data within the Wrapper.
T	getValueVector()
T[]	getValueVectors()
Class<T>	getVectorClass()
boolean	isHyper()
void	transfer(VectorWrapper<?> destination)

Method Detail

getVectorClass

Class<T> getVectorClass()

getField

MaterializedField getField()

getValueVector

T getValueVector()

getValueVectors

T[] getValueVectors()

isHyper

boolean isHyper()

clear

void clear()

cloneAndTransfer

VectorWrapper<T> cloneAndTransfer(BufferAllocator allocator)

getChildWrapper

VectorWrapper<?> getChildWrapper(int[] ids)

transfer

void transfer(VectorWrapper<?> destination)

getFieldIdIfMatches

TypedFieldId getFieldIdIfMatches(int id,
                                 SchemaPath expectedPath)

Traverse the object graph and determine whether the provided SchemaPath matches data within the Wrapper. If so, return a TypedFieldId associated with this path.

Returns:

TypedFieldId