org.apache.druid.segment.data

Class CompressedLongsSerializer

java.lang.Object

org.apache.druid.segment.data.CompressedLongsSerializer

All Implemented Interfaces:

Serializer

public class CompressedLongsSerializer
extends Object
implements Serializer

Constructor Summary

Constructors

Constructor and Description
CompressedLongsSerializer(SegmentWriteOutMedium segmentWriteOutMedium, CompressionStrategy compression)

Method Summary

Modifier and Type	Method and 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()
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

Constructor Detail

CompressedLongsSerializer

public CompressedLongsSerializer(SegmentWriteOutMedium segmentWriteOutMedium,
                                 CompressionStrategy compression)

Method Detail

open

public void open()
          throws IOException

Throws:

IOException

add

public void add(long value)
         throws IOException

Throws:

IOException

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