anthill.storage.impl
Class LRUQueryStorage

java.lang.Object
  |
  +--anthill.storage.impl.LRUKeyStorage
        |
        +--anthill.storage.impl.LRUQueryStorage

All Implemented Interfaces:

Clearable, GenericStorage, QueryStorage, ResourceManager, Storage

Direct Known Subclasses:

UrlStorage, UrlStorage

public class LRUQueryStorage

extends LRUKeyStorage

implements QueryStorage

Implementation of an LRU based query storage. This is a wrapper class for storing resources based on using a query to access the resources. It inherits all methods from the LRUKeyStorage, but adds a method to retrieve resources based on a query.

Version:

$Revision: 1.6 $

Author:

Hein Meling

Field Summary

static String

PAR_CONTROLLERNAME The identifier of the configuration parameter

Fields inherited from class anthill.storage.impl.LRUKeyStorage

factory, list, name, PAR_STORAGENAME, storage

Fields inherited from interface anthill.storage.Storage

DOC_STORAGE, PHR_STORAGE, URL_STORAGE

Constructor Summary

LRUQueryStorage(Factory factory, String name)

Method Summary

void	clear() Restore the object to its initial state
Resource[]	getResources(Object query) Return the resource associated with the specified query.

Methods inherited from class anthill.storage.impl.LRUKeyStorage

addResource, containsResource, getCapacity, getRemainingCapacity, getResource, iterator, removeResource

Methods inherited from class java.lang.Object

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

Methods inherited from interface anthill.storage.GenericStorage

addResource, containsResource, getCapacity, getRemainingCapacity, getResource, iterator, removeResource

Field Detail

PAR_CONTROLLERNAME

public static final String PAR_CONTROLLERNAME

The identifier of the configuration parameter

See Also:

Constant Field Values

Constructor Detail

LRUQueryStorage

public LRUQueryStorage(Factory factory,
                       String name)

Parameters:

factory - the factory to be used to read configuration arguments and to create other configurable objects

name - the name that is associated to this instance in the configuration file

Method Detail

clear

public void clear()

Restore the object to its initial state

Specified by:

clear in interface Clearable

Overrides:

clear in class LRUKeyStorage

getResources

public Resource[] getResources(Object query)

Return the resource associated with the specified query.

Specified by:

getResources in interface QueryStorage

Parameters:

query - whose associated resource to retreive.

Returns:

resources found in the storage with which the specified query matched.