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

Class IndexedDataCache<K,D extends Indexed>

java.lang.Object

uk.ac.ed.epcc.webapp.model.data.DataCache<K,D>

uk.ac.ed.epcc.webapp.model.data.reference.IndexedDataCache<K,D>

Type Parameters:

K - key used to lookup target

D - target type

public abstract class IndexedDataCache<K,D extends Indexed>
extends DataCache<K,D>

DataCache for Indexed types. Entries can also be located by integer id.

Constructor Summary

Constructors

Constructor and Description
IndexedDataCache(AppContext c)

Method Summary

Modifier and Type	Method and Description
D	find(IndexedReference<D> id)
protected D	find(K key) The underlying query method.
protected abstract D	findIndexed(K key)
protected abstract IndexedReference<? extends D>	getReference(D dat)

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

IndexedDataCache

public IndexedDataCache(AppContext c)

Method Detail

find

protected final D find(K key)
                throws DataException

Description copied from class: DataCache

The underlying query method.

Specified by:

find in class DataCache<K,D extends Indexed>

Returns:

Object from cache

Throws:

DataException

find

public D find(IndexedReference<D> id)

findIndexed

protected abstract D findIndexed(K key)
                          throws DataException

Throws:

DataException

getReference

protected abstract IndexedReference<? extends D> getReference(D dat)