Package net.sf.basedb.util.listable

Class SourceItemTransformerWithCache.TransformerWithCache

java.lang.Object

net.sf.basedb.util.listable.SourceItemTransformerWithCache.TransformerWithCache

All Implemented Interfaces:

SourceItemTransformer

Enclosing class:

SourceItemTransformerWithCache

static class SourceItemTransformerWithCache.TransformerWithCache
extends Object
implements SourceItemTransformer

Field Summary

Fields

Modifier and Type	Field	Description
private String	cacheRegion
private SyncFilter.SourceItemTransform	transform
private SourceItemTransformer	transformer

Constructor Summary

Constructors

Constructor	Description
TransformerWithCache(SourceItemTransformer transformer, SyncFilter.SourceItemTransform transform, String cacheRegion)

Method Summary

Modifier and Type	Method	Description
Item	getSourceItemType()	Get the item type of the source items.
Item	getTargetItemType()	Get the item type of the target items.
Set<Integer>	transform(TransformContext context, Set<Integer> source)	If a cache exists check if it has data for this transform already.

Methods inherited from class java.lang.Object

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

Field Details

transformer

private final SourceItemTransformer transformer

transform

private final SyncFilter.SourceItemTransform transform

cacheRegion

private final String cacheRegion

Constructor Details

TransformerWithCache

TransformerWithCache(SourceItemTransformer transformer,
SyncFilter.SourceItemTransform transform,
String cacheRegion)

Method Details

getSourceItemType

public Item getSourceItemType()

Description copied from interface: SourceItemTransformer

Get the item type of the source items.

Specified by:

getSourceItemType in interface SourceItemTransformer

getTargetItemType

public Item getTargetItemType()

Description copied from interface: SourceItemTransformer

Get the item type of the target items.

Specified by:

getTargetItemType in interface SourceItemTransformer

transform

public Set<Integer> transform(TransformContext context,
Set<Integer> source)

If a cache exists check if it has data for this transform already. If not, forward to the parent transformer and then cache the result for future use.

Specified by:

transform in interface SourceItemTransformer