io.druid.segment.column

Class ColumnDescriptor

java.lang.Object

io.druid.segment.column.ColumnDescriptor

public class ColumnDescriptor
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ColumnDescriptor.Builder

Constructor Summary

Constructors

Constructor and Description
ColumnDescriptor(ValueType valueType, boolean hasMultipleValues, List<ColumnPartSerde> parts)

Method Summary

Methods

Modifier and Type	Method and Description
static ColumnDescriptor.Builder	builder()
List<ColumnPartSerde>	getParts()
ValueType	getValueType()
boolean	isHasMultipleValues()
long	numBytes()
Column	read(ByteBuffer buffer, ColumnConfig columnConfig)
void	write(WritableByteChannel channel)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnDescriptor

public ColumnDescriptor(ValueType valueType,
                boolean hasMultipleValues,
                List<ColumnPartSerde> parts)

Method Detail

builder

public static ColumnDescriptor.Builder builder()

getValueType

public ValueType getValueType()

isHasMultipleValues

public boolean isHasMultipleValues()

getParts

public List<ColumnPartSerde> getParts()

numBytes

public long numBytes()

write

public void write(WritableByteChannel channel)
           throws IOException

Throws:

IOException

read

public Column read(ByteBuffer buffer,
          ColumnConfig columnConfig)