org.apache.druid.segment.data

Class FixedIndexedWriter<T>

java.lang.Object

org.apache.druid.segment.data.FixedIndexedWriter<T>

All Implemented Interfaces:

Serializer

public class FixedIndexedWriter<T>
extends Object
implements Serializer

Writer for a FixedIndexed

Constructor Summary

Constructors

Constructor and Description
FixedIndexedWriter(SegmentWriteOutMedium segmentWriteOutMedium, TypeStrategy<T> typeStrategy, ByteOrder byteOrder, int width, boolean isSorted)

Method Summary

Modifier and Type	Method and Description
T	get(int index)
Iterator<T>	getIterator()
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	write(T objectToWrite)
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

FixedIndexedWriter

public FixedIndexedWriter(SegmentWriteOutMedium segmentWriteOutMedium,
                          TypeStrategy<T> typeStrategy,
                          ByteOrder byteOrder,
                          int width,
                          boolean isSorted)

Method Detail

open

public void open()
          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

write

public void write(@Nullable
                  T objectToWrite)
           throws IOException

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

get

@Nullable
public T get(int index)
                throws IOException

Throws:

IOException

getIterator

public Iterator<T> getIterator()