flashcache

Class QuoteLoader

java.lang.Object

flashcache.QuoteLoader

All Implemented Interfaces:

com.gemstone.gemfire.cache.CacheCallback, com.gemstone.gemfire.cache.CacheLoader<String,Object>

public class QuoteLoader
extends Object
implements com.gemstone.gemfire.cache.CacheLoader<String,Object>

This class implements a CacheLoader used by the Quote program to search for quotes in other caches and, failing that, to pull quotes from the NASDAQ FlashQuote web site.

When a CacheLoader is associated with a Region, GemFire will use it to load requested objects when there is a cache-miss.

Since:

2.0

Constructor Summary

Constructors

Constructor and Description
QuoteLoader()

Method Summary

Methods

Modifier and Type	Method and Description
void	close() This method would clean up any database connections or other external resources.
Object	load(com.gemstone.gemfire.cache.LoaderHelper<String,Object> helper) this method is invoked by GemFire when there is a cache miss
static void	main(String[] args) This is a test driver - this loads a quote without looking in the GemFire cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuoteLoader

public QuoteLoader()

Method Detail

load

public Object load(com.gemstone.gemfire.cache.LoaderHelper<String,Object> helper)

this method is invoked by GemFire when there is a cache miss

Specified by:

load in interface com.gemstone.gemfire.cache.CacheLoader<String,Object>

close

public void close()

This method would clean up any database connections or other external resources.

Specified by:

close in interface com.gemstone.gemfire.cache.CacheCallback

main

public static void main(String[] args)

This is a test driver - this loads a quote without looking in the GemFire cache.

The class Quote uses GemFire to cache quotes.