io.druid.segment.data

Class CompressionStrategy.Compressor

java.lang.Object

io.druid.segment.data.CompressionStrategy.Compressor

Direct Known Subclasses:

CompressionStrategy.LZ4Compressor, CompressionStrategy.LZFCompressor, CompressionStrategy.UncompressedCompressor

Enclosing class:

CompressionStrategy

public abstract static class CompressionStrategy.Compressor
extends Object

Constructor Summary

Constructors

Constructor and Description
Compressor()

Method Summary

Modifier and Type	Method and Description
abstract ByteBuffer	compress(ByteBuffer in, ByteBuffer out) Returns a ByteBuffer with compressed contents of in between it's position and limit.

Methods inherited from class java.lang.Object

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

Constructor Detail

Compressor

public Compressor()

Method Detail

compress

public abstract ByteBuffer compress(ByteBuffer in,
                                    ByteBuffer out)

Returns a ByteBuffer with compressed contents of in between it's position and limit. It may be the provided out ByteBuffer, or the in ByteBuffer, depending on the implementation. out's position and limit are not respected and could be discarded.

Contents of in between it's position and limit are compressed. It's contents, position and limit shouldn't be changed in compress() method.