org.apache.druid.segment.data

Class CompressedVSizeColumnarIntsSerializer

java.lang.Object

org.apache.druid.segment.data.SingleValueColumnarIntsSerializer

org.apache.druid.segment.data.CompressedVSizeColumnarIntsSerializer

All Implemented Interfaces:

ColumnarIntsSerializer, Serializer

public class CompressedVSizeColumnarIntsSerializer
extends SingleValueColumnarIntsSerializer

Streams array of integers out in the binary format described by CompressedVSizeColumnarIntsSupplier

Method Summary

Modifier and Type	Method and Description
void	addValue(int val)
static CompressedVSizeColumnarIntsSerializer	create(String columnName, SegmentWriteOutMedium segmentWriteOutMedium, String filenameBase, int maxValue, CompressionStrategy compression)
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

Method Detail

create

public static CompressedVSizeColumnarIntsSerializer create(String columnName,
                                                           SegmentWriteOutMedium segmentWriteOutMedium,
                                                           String filenameBase,
                                                           int maxValue,
                                                           CompressionStrategy compression)

open

public void open()
          throws IOException

Throws:

IOException

addValue

public void addValue(int val)
              throws IOException

Specified by:

addValue in class SingleValueColumnarIntsSerializer

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.

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.

Throws:

IOException