uk.ac.ed.epcc.webapp.model.data.reference

Class IndexedReferenceDataCache<I extends Indexed>

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.DataCache<IndexedReference<? extends I>,I>

uk.ac.ed.epcc.webapp.model.data.reference.IndexedReferenceDataCache<I>

Type Parameters:

I -

public class IndexedReferenceDataCache<I extends Indexed>
extends DataCache<IndexedReference<? extends I>,I>

A DataCache keyed by IndexedReference objects. This needs no additional logic to create the target objects as the IndexedRefenece can do this directly. However the use of a cache can reduce the number of database lookups.

Constructor Summary

Constructors

Constructor and Description
IndexedReferenceDataCache(AppContext c)

Method Summary

Modifier and Type	Method and Description
protected I	find(IndexedReference<? extends I> key) The underlying query method.

Methods inherited from class uk.ac.ed.epcc.webapp.model.data.DataCache

badKeys, clear, get, nBadKeys, save

Methods inherited from class java.lang.Object

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

Constructor Detail

IndexedReferenceDataCache

public IndexedReferenceDataCache(AppContext c)

Method Detail

find

protected I find(IndexedReference<? extends I> key)
          throws DataException

Description copied from class: DataCache

The underlying query method.

Specified by:

find in class DataCache<IndexedReference<? extends I extends Indexed>,I extends Indexed>

Returns:

Object from cache

Throws:

DataException