org.apache.druid.segment.data

Class CompressedVariableSizedBlobColumnSerializer

java.lang.Object

org.apache.druid.segment.data.CompressedVariableSizedBlobColumnSerializer

All Implemented Interfaces:

Serializer

public class CompressedVariableSizedBlobColumnSerializer
extends Object
implements Serializer

Constructor Summary

Constructors

Constructor and Description
CompressedVariableSizedBlobColumnSerializer(String filenameBase, SegmentWriteOutMedium segmentWriteOutMedium, CompressionStrategy compression)

Method Summary

Modifier and Type	Method and Description
void	addValue(byte[] bytes)
void	addValue(ByteBuffer bytes)
static String	getCompressedBlobsFileName(String filenameBase)
static String	getCompressedOffsetsFileName(String filenameBase)
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

CompressedVariableSizedBlobColumnSerializer

public CompressedVariableSizedBlobColumnSerializer(String filenameBase,
                                                   SegmentWriteOutMedium segmentWriteOutMedium,
                                                   CompressionStrategy compression)

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()

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

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

getCompressedOffsetsFileName

public static String getCompressedOffsetsFileName(String filenameBase)

getCompressedBlobsFileName

public static String getCompressedBlobsFileName(String filenameBase)