alluxio.master.table

Interface PartitionScheme

All Known Implementing Classes:

BasePartitionScheme, PartitionedTableScheme, UnpartitionedTableScheme

public interface PartitionScheme

Interface of the partition scheme.

Method Summary

Modifier and Type	Method and Description
void	addPartitions(List<Partition> partitions) Add a list of partitions.
static PartitionScheme	create(List<Partition> partitions, Layout layout, List<FieldSchema> partCols) create a partition scheme object.
Partition	getPartition(String spec)
List<FieldSchema>	getPartitionCols() Get partition columns.
List<Partition>	getPartitions() Get a list of partitions.
Layout	getTableLayout() Get table layout.

Method Detail

addPartitions

void addPartitions(List<Partition> partitions)

Add a list of partitions.

Parameters:

partitions - partitions to add

getPartitions

List<Partition> getPartitions()

Get a list of partitions.

Returns:

a list of partitions

getPartition

Partition getPartition(String spec)

Parameters:

spec - the partition spec

Returns:

the corresponding partition, or null if spec does not exist

getTableLayout

Layout getTableLayout()

Get table layout.

Returns:

table info

getPartitionCols

List<FieldSchema> getPartitionCols()

Get partition columns.

Returns:

partition columns

create

static PartitionScheme create(List<Partition> partitions,
                              Layout layout,
                              List<FieldSchema> partCols)

create a partition scheme object.

Parameters:

partitions - partitions

layout - table layout

partCols - table partition columns

Returns:

a partition scheme object