io.druid.segment.data

Class FixedSizeCompressedObjectStrategy<T extends Buffer>

java.lang.Object

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

io.druid.segment.data.FixedSizeCompressedObjectStrategy<T>

All Implemented Interfaces:

ObjectStrategy<ResourceHolder<T>>, Comparator<ResourceHolder<T>>

Direct Known Subclasses:

CompressedByteBufferObjectStrategy, CompressedFloatBufferObjectStrategy, CompressedIntBufferObjectStrategy, CompressedLongBufferObjectStrategy

public abstract class FixedSizeCompressedObjectStrategy<T extends Buffer>
extends CompressedObjectStrategy<T>

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	FixedSizeCompressedObjectStrategy(ByteOrder order, CompressedObjectStrategy.BufferConverter<T> converter, CompressedObjectStrategy.CompressionStrategy compression, int sizePer)

Method Summary

Modifier and Type	Method and Description
protected ByteBuffer	bufferFor(T val)
protected void	decompress(ByteBuffer buffer, int numBytes, ByteBuffer buf)
int	getSize()

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

FixedSizeCompressedObjectStrategy

protected FixedSizeCompressedObjectStrategy(ByteOrder order,
                                            CompressedObjectStrategy.BufferConverter<T> converter,
                                            CompressedObjectStrategy.CompressionStrategy compression,
                                            int sizePer)

Method Detail

getSize

public int getSize()

bufferFor

protected ByteBuffer bufferFor(T val)

Overrides:

bufferFor in class CompressedObjectStrategy<T extends Buffer>

decompress

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

Overrides:

decompress in class CompressedObjectStrategy<T extends Buffer>