Package org.apache.druid.segment.data

Class IntermediateColumnarLongsSerializer

java.lang.Object

org.apache.druid.segment.data.IntermediateColumnarLongsSerializer

All Implemented Interfaces:

ColumnarLongsSerializer, Serializer

public class IntermediateColumnarLongsSerializer
extends Object
implements ColumnarLongsSerializer

Serializer that chooses optimal ColumnarLongs format dymamically, based on the values being written. Unsafe for concurrent use from multiple threads.

Method Summary

Modifier and Type	Method	Description
void	add(long value)
long	getSerializedSize()	Returns the number of bytes, that this Serializer will write to the output _channel_ (not smoosher) on a Serializer.writeTo(java.nio.channels.WritableByteChannel, org.apache.druid.java.util.common.io.smoosh.FileSmoosher) call.
void	open()
int	size()
void	writeTo(WritableByteChannel channel, FileSmoosher smoosher)	Writes serialized form of this object to the given channel.

Methods inherited from class java.lang.Object

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

Method Detail

open

public void open()

Specified by:

open in interface ColumnarLongsSerializer

size

public int size()

Specified by:

size in interface ColumnarLongsSerializer

add

public void add(long value)

Specified by:

add in interface ColumnarLongsSerializer

getSerializedSize

public long getSerializedSize()
                       throws IOException

Description copied from interface: Serializer

Returns the number of bytes, that this Serializer will write to the output _channel_ (not smoosher) on a Serializer.writeTo(java.nio.channels.WritableByteChannel, org.apache.druid.java.util.common.io.smoosh.FileSmoosher) call.

Specified by:

getSerializedSize in interface Serializer

Throws:

IOException

writeTo

public void writeTo(WritableByteChannel channel,
                    FileSmoosher smoosher)
             throws IOException

Description copied from interface: Serializer

Writes serialized form of this object to the given channel. If parallel data streams are needed, they could be created with the provided smoosher.

Specified by:

writeTo in interface Serializer

Throws:

IOException