Package org.apache.druid.frame.read.columnar

Class NumericArrayFrameColumnReader

java.lang.Object

org.apache.druid.frame.read.columnar.NumericArrayFrameColumnReader

All Implemented Interfaces:

FrameColumnReader

Direct Known Subclasses:

DoubleArrayFrameColumnReader, FloatArrayFrameColumnReader, LongArrayFrameColumnReader

public abstract class NumericArrayFrameColumnReader
extends Object
implements FrameColumnReader

Implementations of this class reads columns written by the corresponding implementations of NumericArrayFrameColumnWriter.

See Also:

for the column format read

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	NumericArrayFrameColumnReader.NumericArrayFrameColumn

Constructor Summary

Constructors

Constructor	Description
NumericArrayFrameColumnReader(byte typeCode, ColumnType columnType, int columnNumber)

Method Summary

Modifier and Type	Method	Description
ColumnPlus	readColumn(Frame frame)	Returns a column reference for the provided frame.
Column	readRACColumn(Frame frame)	Returns a Column from the frame.

Methods inherited from class java.lang.Object

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

Constructor Detail

NumericArrayFrameColumnReader

public NumericArrayFrameColumnReader(byte typeCode,
                                     ColumnType columnType,
                                     int columnNumber)

Method Detail

readRACColumn

public Column readRACColumn(Frame frame)

Description copied from interface: FrameColumnReader

Returns a Column from the frame.

Specified by:

readRACColumn in interface FrameColumnReader

readColumn

public ColumnPlus readColumn(Frame frame)

Description copied from interface: FrameColumnReader

Returns a column reference for the provided frame.

Specified by:

readColumn in interface FrameColumnReader