org.kepler.objectmanager.cache

Class RawDataCacheObject

java.lang.Object

org.kepler.objectmanager.cache.CacheObject

org.kepler.objectmanager.cache.RawDataCacheObject

All Implemented Interfaces:

java.io.Serializable, CacheObjectInterface

public class RawDataCacheObject
extends CacheObject

Class that represents an object in the CacheManager. This class should be extended by each type of object that wants to control its own lifecycle events and serialization events.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.kepler.objectmanager.cache.CacheObject

_attributes, _lsid, _name, _semanticTypes

Constructor Summary

Constructors

Constructor and Description
RawDataCacheObject()
RawDataCacheObject(java.lang.String name, KeplerLSID lsid) construct a new CacheObject

Method Summary

Modifier and Type	Method and Description
java.io.InputStream	getDataAsStream() return the data as a stream
java.lang.Object	getObject() This returns a file object pointing to the data file.
void	objectAdded() call back for when this object is added to the cache
void	objectPurged() call back for when this object is purged by CacheManager
void	objectRemoved() call back for when this object is removed by the user
void	readExternal(java.io.ObjectInput in) deserialize this object
void	setData(java.io.InputStream is) set the data file that is associated with this RawDataCacheObject
void	writeExternal(java.io.ObjectOutput out) serialize this object

Methods inherited from class org.kepler.objectmanager.cache.CacheObject

addAttribute, getAttribute, getAttributeNames, getLSID, getName, getSemanticTypes, removeAttribute, setLSID, setName, setSemanticTypes

Methods inherited from class java.lang.Object

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

Constructor Detail

RawDataCacheObject

public RawDataCacheObject()

RawDataCacheObject

public RawDataCacheObject(java.lang.String name,
                          KeplerLSID lsid)

construct a new CacheObject

Method Detail

getObject

public java.lang.Object getObject()

This returns a file object pointing to the data file. You'll need to cast the object to a File to use it.

Specified by:

getObject in interface CacheObjectInterface

Specified by:

getObject in class CacheObject

setData

public void setData(java.io.InputStream is)
             throws java.io.IOException

set the data file that is associated with this RawDataCacheObject

Throws:

java.io.IOException

getDataAsStream

public java.io.InputStream getDataAsStream()
                                    throws CacheException

return the data as a stream

Throws:

CacheException

objectAdded

public void objectAdded()

call back for when this object is added to the cache

Specified by:

objectAdded in interface CacheObjectInterface

Overrides:

objectAdded in class CacheObject

objectRemoved

public void objectRemoved()

call back for when this object is removed by the user

Specified by:

objectRemoved in interface CacheObjectInterface

Overrides:

objectRemoved in class CacheObject

objectPurged

public void objectPurged()

call back for when this object is purged by CacheManager

Specified by:

objectPurged in interface CacheObjectInterface

Overrides:

objectPurged in class CacheObject

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

deserialize this object

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

serialize this object

Throws:

java.io.IOException