org.springframework.data.hadoop.store.strategy.rollover

Class AbstractRolloverStrategy

java.lang.Object

org.springframework.data.hadoop.store.strategy.rollover.AbstractRolloverStrategy

All Implemented Interfaces:

org.springframework.core.Ordered, RolloverStrategy, RolloverStrategyFactory<RolloverStrategy>

Direct Known Subclasses:

NoRolloverStrategy, SizeRolloverStrategy

public abstract class AbstractRolloverStrategy
extends java.lang.Object
implements RolloverStrategy, org.springframework.core.Ordered

Base class for RolloverStrategy implementations. This class also implements Ordered interface to be useful with ChainedFileRolloverStrategy and OrderedComposite.

Author:

Janne Valkealahti

Field Summary

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
AbstractRolloverStrategy()

Method Summary

Methods

Modifier and Type	Method and Description
abstract RolloverStrategy	createInstance() Creates a new instance of RolloverStrategy.
int	getOrder() Implementation should override this method to define a chaining order.
long	getPosition()
void	setOrder(int order) Sets the order.
void	setWritePosition(long position) Sets the write position.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.data.hadoop.store.strategy.rollover.RolloverStrategy

hasRolled, reset

Constructor Detail

AbstractRolloverStrategy

public AbstractRolloverStrategy()

Method Detail

getOrder

public int getOrder()

Implementation should override this method to define a chaining order.

Specified by:

getOrder in interface org.springframework.core.Ordered

Returns:

the order value

See Also:

Ordered.getOrder()

setWritePosition

public void setWritePosition(long position)

Description copied from interface: RolloverStrategy

Sets the write position.

Specified by:

setWritePosition in interface RolloverStrategy

Parameters:

position - the new write position

createInstance

public abstract RolloverStrategy createInstance()

Description copied from interface: RolloverStrategyFactory

Creates a new instance of RolloverStrategy.

Specified by:

createInstance in interface RolloverStrategyFactory<RolloverStrategy>

Returns:

a new instance of rollover strategy

setOrder

public void setOrder(int order)

Sets the order.

Parameters:

order - the new order

See Also:

Ordered

getPosition

public long getPosition()