org.cdlib.xtf.textEngine

Class ConfigCache

Object

Cache<K,V>

GeneratingCache

ConfigCache

public class ConfigCache
extends GeneratingCache

Used to maintain a simple cache of config files, so we don't have to keep loading the same one over and over.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	ConfigCache.ConfigCacheKey A key in the ConfigCache.

Nested classes/interfaces inherited from class Cache

Cache.ListEntry, Cache.NullIterator

Field Summary

Fields inherited from class Cache

ageList, keyMap

Constructor Summary

Constructors

Constructor and Description
ConfigCache() Default constructor - defines the default cache size and expiration time.

Method Summary

Modifier and Type	Method and Description
IndexerConfig	find(File configFile, String indexName) Find or load the configuration given its File
protected Object	generate(Object key) Load a configuration given its path

Methods inherited from class GeneratingCache

addDependency, find

Methods inherited from class Cache

cleanup, clear, dependenciesValid, getDependencies, has, lastSet, logAction, remove, size

Methods inherited from class Object

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

Constructor Detail

ConfigCache

public ConfigCache()

Default constructor - defines the default cache size and expiration time. These should probably be configurable in some file somewhere, but does anyone really care?

Method Detail

find

public IndexerConfig find(File configFile,
                          String indexName)
                   throws Exception

Find or load the configuration given its File

Throws:

Exception

generate

protected Object generate(Object key)
                   throws Exception

Load a configuration given its path

Specified by:

generate in class GeneratingCache

Parameters:

key - The key to generate a value for.

Returns:

The value for that key

Throws:

Exception - If a value cannot be generated for any reason.