oracle.jsp.jwcache
Class CacheBlock

java.lang.Object
  |
  +--oracle.jsp.jwcache.CacheBlock

public class CacheBlock

extends java.lang.Object

implements java.io.Serializable

CacheBlock class that represents the basic meta-data and actual cache data of cache block. The basic meta-data includes the creation time and the expiration time of a cache block.

The actual cache data must be serializable, in order for the cache storage to write to persistent storage.

See Also:

Serialized Form

Constructor Summary

CacheBlock(long creationTime, long expirationTime, java.lang.Object data)
Constructor for Cache Block objects

Method Summary

Type	Method
long	getCreationTime() To get the creation time of a cache block
java.lang.Object	getData() To get the actual cache data of a cache block
long	getExpirationTime() To get the expiration time of a cache block
java.lang.String	toString() To get the description string of this cache block for debugging purpose

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheBlock

public CacheBlock(long creationTime,
                  long expirationTime,
                  java.lang.Object data)

Constructor for Cache Block objects

Users should do not need to call this constructor themselves, when they need to store data into the cache. Cache Repository will construct a Cache Block object to contain the meta data and actual cached data, when users request a piece of cache from the repository.

Parameters:

creationTime - the creation time of a cache block

expirationTime - the expiration time of a cache block

data - the actual cache data

Method Detail

getCreationTime

public long getCreationTime()

To get the creation time of a cache block

Returns:

the creation time of a cache block

getExpirationTime

public long getExpirationTime()

To get the expiration time of a cache block

Returns:

the expiration time of a cache block

getData

public java.lang.Object getData()

To get the actual cache data of a cache block

Returns:

the actual cache data of a cache block

toString

public java.lang.String toString()

To get the description string of this cache block for debugging purpose

Overrides:

toString in class java.lang.Object

Returns:

the description string of this cache block for debugging purpose