io.druid.segment.data

Class VSizeCompressedObjectStrategy

java.lang.Object

io.druid.segment.data.CompressedObjectStrategy<ByteBuffer>

io.druid.segment.data.VSizeCompressedObjectStrategy

All Implemented Interfaces:

ObjectStrategy<ResourceHolder<ByteBuffer>>, Comparator<ResourceHolder<ByteBuffer>>

public class VSizeCompressedObjectStrategy
extends CompressedObjectStrategy<ByteBuffer>

Nested Class Summary

Nested classes/interfaces inherited from class io.druid.segment.data.CompressedObjectStrategy

CompressedObjectStrategy.BufferConverter<T>, CompressedObjectStrategy.CompressionStrategy, CompressedObjectStrategy.Compressor, CompressedObjectStrategy.Decompressor, CompressedObjectStrategy.LZ4Compressor, CompressedObjectStrategy.LZ4Decompressor, CompressedObjectStrategy.LZFCompressor, CompressedObjectStrategy.LZFDecompressor, CompressedObjectStrategy.UncompressedCompressor, CompressedObjectStrategy.UncompressedDecompressor

Field Summary

Fields inherited from class io.druid.segment.data.CompressedObjectStrategy

converter, decompressor, DEFAULT_COMPRESSION_STRATEGY, order

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	VSizeCompressedObjectStrategy(ByteOrder order, CompressedObjectStrategy.CompressionStrategy compression, int expectedBytes)

Method Summary

Modifier and Type	Method and Description
protected ByteBuffer	bufferFor(ByteBuffer val)
protected void	decompress(ByteBuffer buffer, int numBytes, ByteBuffer buf)
static VSizeCompressedObjectStrategy	getBufferForOrder(ByteOrder order, CompressedObjectStrategy.CompressionStrategy compression, int expectedBytes)

Methods inherited from class io.druid.segment.data.CompressedObjectStrategy

compare, fromByteBuffer, getClazz, toBytes

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

VSizeCompressedObjectStrategy

protected VSizeCompressedObjectStrategy(ByteOrder order,
                                        CompressedObjectStrategy.CompressionStrategy compression,
                                        int expectedBytes)

Method Detail

getBufferForOrder

public static VSizeCompressedObjectStrategy getBufferForOrder(ByteOrder order,
                                                              CompressedObjectStrategy.CompressionStrategy compression,
                                                              int expectedBytes)

bufferFor

protected ByteBuffer bufferFor(ByteBuffer val)

Overrides:

bufferFor in class CompressedObjectStrategy<ByteBuffer>

decompress

protected void decompress(ByteBuffer buffer,
                          int numBytes,
                          ByteBuffer buf)

Overrides:

decompress in class CompressedObjectStrategy<ByteBuffer>