Package org.apache.druid.segment.data

Class CompressedBlockSerializer

java.lang.Object

org.apache.druid.segment.data.CompressedBlockSerializer

All Implemented Interfaces:

Serializer

public class CompressedBlockSerializer
extends Object
implements Serializer

Constructor Summary

Constructors

Constructor	Description
CompressedBlockSerializer(SegmentWriteOutMedium segmentWriteOutMedium, CompressionStrategy compression, int blockSize)

Method Summary

Modifier and Type	Method	Description
void	addValue(byte[] bytes)
void	addValue(ByteBuffer bytes)
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

CompressedBlockSerializer

public CompressedBlockSerializer(SegmentWriteOutMedium segmentWriteOutMedium,
                                 CompressionStrategy compression,
                                 int blockSize)

Method Detail

open

public void open()
          throws IOException

Throws:

IOException

addValue

public void addValue(byte[] bytes)
              throws IOException

Throws:

IOException

addValue

public void addValue(ByteBuffer bytes)
              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