org.kitesdk.data.impl

Class Accessor

java.lang.Object

org.kitesdk.data.impl.Accessor

public abstract class Accessor
extends Object

Class to enforce "friend" access to internal methods in org.kitesdk.data classes that are not a part of the public API.

This technique is described in detail in "Practical API Design" by Jaroslav Tulach.

Constructor Summary

Constructors

Constructor and Description
Accessor()

Method Summary

Methods

Modifier and Type	Method and Description
abstract PartitionStrategy	fromExpression(String partitionExpression)
static Accessor	getDefault()
abstract List<FieldPartitioner>	getFieldPartitioners(PartitionStrategy partitionStrategy)
abstract FieldPartitioner	getPartitioner(PartitionStrategy partitionStrategy, String name)
abstract PartitionStrategy	getSubpartitionStrategy(PartitionStrategy partitionStrategy, int startIndex)
abstract boolean	hasPartitioner(PartitionStrategy partitionStrategy, String name)
abstract Format	newFormat(String name)
static void	setDefault(Accessor accessor)
abstract String	toExpression(PartitionStrategy partitionStrategy)

Methods inherited from class java.lang.Object

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

Constructor Detail

Accessor

public Accessor()

Method Detail

getDefault

public static Accessor getDefault()

setDefault

public static void setDefault(Accessor accessor)

newFormat

public abstract Format newFormat(String name)

getSubpartitionStrategy

public abstract PartitionStrategy getSubpartitionStrategy(PartitionStrategy partitionStrategy,
                                        int startIndex)

toExpression

public abstract String toExpression(PartitionStrategy partitionStrategy)

fromExpression

public abstract PartitionStrategy fromExpression(String partitionExpression)

getFieldPartitioners

public abstract List<FieldPartitioner> getFieldPartitioners(PartitionStrategy partitionStrategy)

getPartitioner

public abstract FieldPartitioner getPartitioner(PartitionStrategy partitionStrategy,
                              String name)

hasPartitioner

public abstract boolean hasPartitioner(PartitionStrategy partitionStrategy,
                     String name)