alluxio.master.table

Class BasePartitionScheme

java.lang.Object

alluxio.master.table.BasePartitionScheme

All Implemented Interfaces:

PartitionScheme

Direct Known Subclasses:

PartitionedTableScheme, UnpartitionedTableScheme

public abstract class BasePartitionScheme
extends Object
implements PartitionScheme

Base implementation of PartitionScheme with default implementation of PartitionScheme.getPartition(String) and PartitionScheme.getPartitions().

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Partition>	mPartitions
protected Map<String,Partition>	mSpecToPartition

Constructor Summary

Constructors

Constructor and Description
BasePartitionScheme(List<Partition> partitions) A map from partition spec to partitions is computed from the partitions.

Method Summary

Modifier and Type	Method and Description
void	addPartitions(List<Partition> partitions) Add a list of partitions.
Partition	getPartition(String spec)
List<Partition>	getPartitions() Get a list of partitions.

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.master.table.PartitionScheme

create, getPartitionCols, getTableLayout

Field Detail

mPartitions

protected final List<Partition> mPartitions

mSpecToPartition

protected final Map<String,Partition> mSpecToPartition

Constructor Detail

BasePartitionScheme

public BasePartitionScheme(List<Partition> partitions)

A map from partition spec to partitions is computed from the partitions.

Parameters:

partitions - list of partitions

Method Detail

addPartitions

public void addPartitions(List<Partition> partitions)

Description copied from interface: PartitionScheme

Add a list of partitions.

Specified by:

addPartitions in interface PartitionScheme

Parameters:

partitions - partitions to add

getPartitions

public List<Partition> getPartitions()

Description copied from interface: PartitionScheme

Get a list of partitions.

Specified by:

getPartitions in interface PartitionScheme

Returns:

a list of partitions

getPartition

public Partition getPartition(String spec)

Specified by:

getPartition in interface PartitionScheme

Parameters:

spec - the partition spec

Returns:

the corresponding partition, or null if spec does not exist