org.fjank.jcache
Class StreamCacheObject

java.lang.Object
  java.lang.ref.Reference<T>
      java.lang.ref.WeakReference
          org.fjank.jcache.CacheObject
              org.fjank.jcache.StreamCacheObject

public class StreamCacheObject
extends CacheObject

A cacheobject which reads/writes the content with the aid of Input/Outputstreams Contains an internal reference to the wrapped object, so the override of SoftReference is probably broken on this object...

Author:

Frank Karlstrøm

Constructor Summary

StreamCacheObject(Object key, Object referent, CacheGroup group, CacheRegion region, ReferenceQueue q)
Creates a new StreamCacheObject object.

Method Summary

InputStream	getInputStream() Overrides the normal get method by getting the Object, then creating an InputStream to this object.
OutputStream	getOutputStream() gets an OutputStream to write to this object.

Methods inherited from class org.fjank.jcache.CacheObject

clear, destroy, equals, get, getAccesses, getAttributes, getGroup, getKey, getRefCount, getRegion, invalidate, needsLoading, resetRefCount, setAttributes, setAttributes, toString

Methods inherited from class java.lang.ref.Reference

enqueue, isEnqueued

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamCacheObject

public StreamCacheObject(Object key,
                         Object referent,
                         CacheGroup group,
                         CacheRegion region,
                         ReferenceQueue q)
                  throws CacheException

Creates a new StreamCacheObject object.

Parameters:

key - the name of this object

referent - the actuall object

group - the group this object belongs to

q - the ReferenceQueue this object goes to wneh the GC determines that this object is garbage.

Throws:

CacheException

Method Detail

getInputStream

public InputStream getInputStream()
                           throws ObjectNotFoundException

Overrides the normal get method by getting the Object, then creating an InputStream to this object.

Throws:

ObjectNotFoundException

getOutputStream

public OutputStream getOutputStream()
                             throws InvalidArgumentException

gets an OutputStream to write to this object.

Returns:

Throws:

InvalidArgumentException