com.caucho.util

Class TimedItem

java.lang.Object

com.caucho.util.TimedItem

public class TimedItem
extends java.lang.Object

A single item timed cache. The item will remain valid until it expires. TimedItem can simplify database caching.

 TimedItem currentStories = new TimedItem(60000);

 public ArrayList getCurrentStories()
 {
   ArrayList storyList = (ArrayList) currentStories.get();

   if (storyList == null) {
     storyList = DB.queryStoryDatabase();
     currentStories.put(storyList);
   }

   return storyList;
 }
 

Constructor Summary

Constructors

Constructor and Description
TimedItem(long expireInterval) Create a new timed item with a specified update time

Method Summary

Modifier and Type	Method and Description
java.lang.Object	get() Gets the cached value, returning null if expires.
long	getExpireInterval() Returns the expire time for this TimedItem.
void	put(java.lang.Object value) Sets the value.
void	setExpireInterval(long expireInterval) Sets the expire time for this timedItem.

Methods inherited from class java.lang.Object

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

Constructor Detail

TimedItem

public TimedItem(long expireInterval)

Create a new timed item with a specified update time

Parameters:

expireInterval - the time in milliseconds the item remains valid.

Method Detail

getExpireInterval

public long getExpireInterval()

Returns the expire time for this TimedItem.

setExpireInterval

public void setExpireInterval(long expireInterval)

Sets the expire time for this timedItem.

put

public void put(java.lang.Object value)

Sets the value.

get

public java.lang.Object get()

Gets the cached value, returning null if expires.