Package com.illumon.iris.db.v2.sort.partition

Class IntPartitionKernel

java.lang.Object

com.illumon.iris.db.v2.sort.partition.IntPartitionKernel

public class IntPartitionKernel
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	IntPartitionKernel.PartitionKernelContext

Constructor Summary

Constructors

Constructor	Description
IntPartitionKernel()

Method Summary

Modifier and Type	Method	Description
static IntPartitionKernel.PartitionKernelContext	createContext(Index index, ColumnSource<Integer> columnSource, int chunkSize, int nPartitions, boolean preserveEquality)
static void	partition(IntPartitionKernel.PartitionKernelContext context, LongChunk<Attributes.KeyIndices> indexKeys, IntChunk values)	After we have created the context, we can determine what things are in a partition.

Methods inherited from class java.lang.Object

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

Constructor Details

IntPartitionKernel

public IntPartitionKernel()

Method Details

createContext

public static IntPartitionKernel.PartitionKernelContext createContext(Index index,
 ColumnSource<Integer> columnSource,
 int chunkSize,
 int nPartitions,
 boolean preserveEquality)

partition

public static void partition(IntPartitionKernel.PartitionKernelContext context,
 LongChunk<Attributes.KeyIndices> indexKeys,
 IntChunk values)

After we have created the context, we can determine what things are in a partition.

Parameters:

context - our context, containing the pivots

indexKeys - a chunk of index keys to partition

values - a chunk of values that go with the index keys