org.apache.drill.exec.vector.accessor.reader

Class ColumnReaderFactory

java.lang.Object

org.apache.drill.exec.vector.accessor.reader.ColumnReaderFactory

public class ColumnReaderFactory
extends Object

Gather generated reader classes into a set of class tables to allow rapid run-time creation of readers. Builds the reader and its object reader wrapper which binds the vector to the reader.

Constructor Summary

Constructors

Constructor and Description
ColumnReaderFactory()

Method Summary

Modifier and Type	Method and Description
static BaseScalarReader	buildColumnReader(VectorAccessor va)
static <T> T	newAccessor(TypeProtos.MinorType type, Class<? extends T>[] accessors)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnReaderFactory

public ColumnReaderFactory()

Method Detail

buildColumnReader

public static BaseScalarReader buildColumnReader(VectorAccessor va)

newAccessor

public static <T> T newAccessor(TypeProtos.MinorType type,
                                Class<? extends T>[] accessors)