Package org.apache.druid.segment.data

Class CompressedColumnarDoublesSuppliers

java.lang.Object

org.apache.druid.segment.data.CompressedColumnarDoublesSuppliers

public class CompressedColumnarDoublesSuppliers
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final byte	LZF_VERSION
static final byte	VERSION

Method Summary

Modifier and Type	Method	Description
static com.google.common.base.Supplier<ColumnarDoubles>	fromByteBuffer(ByteBuffer buffer, ByteOrder order, SegmentFileMapper fileMapper)	Reads a column from a ByteBuffer, possibly using additional secondary files from a SegmentFileMapper.

Methods inherited from class java.lang.Object

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

Field Details

LZF_VERSION

public static final byte LZF_VERSION

See Also:

• Constant Field Values

VERSION

public static final byte VERSION

See Also:

• Constant Field Values

Method Details

fromByteBuffer

public static com.google.common.base.Supplier<ColumnarDoubles> fromByteBuffer(ByteBuffer buffer,
 ByteOrder order,
 SegmentFileMapper fileMapper)

Reads a column from a ByteBuffer, possibly using additional secondary files from a SegmentFileMapper.

Parameters:

buffer - primary buffer to read from

order - byte order

fileMapper - required for reading version 2 (multi-file) indexed. May be null if you know you are reading a single-file column. Generally, this should only be null in tests, not production code.