net.sf.ehcache

Class ElementData

java.lang.Object

net.sf.ehcache.ElementData

All Implemented Interfaces:

Externalizable, Serializable, org.terracotta.toolkit.internal.cache.TimestampedValue

Direct Known Subclasses:

EternalElementData, NonEternalElementData

public abstract class ElementData
extends Object
implements Externalizable, org.terracotta.toolkit.internal.cache.TimestampedValue

Serialized representation of net.sf.ehcache.Element

Author:

Nishant

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	cacheDefaultLifespan
protected long	creationTime
protected long	hitCount
protected long	lastAccessTime
protected long	lastUpdateTime
protected Object	value
protected long	version

Constructor Summary

Constructors

Constructor and Description
ElementData()
ElementData(Element element)

Method Summary

Modifier and Type	Method and Description
abstract Element	createElement(Object key) This method should return the Element object constructed from fields of this ElementData.
int	getCreateTime()
int	getLastAccessedTime()
Object	getValue()
protected abstract void	readAttributes(ObjectInput in) The subclasses must implement this method to read any subclass specific attributes while deserialization It will be called when this object is being deserialized.
void	readExternal(ObjectInput in)
protected void	setLastAccessedTimeInternal(int usedAtTime)
void	updateTimestamps(int createTime, int lastAccessedTime)
protected abstract void	writeAttributes(ObjectOutput oos) The subclasses must implement this method to persist any subclass specific attribute while serialization It will be called when this object is being serialized.
void	writeExternal(ObjectOutput oos)

Methods inherited from class java.lang.Object

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

Field Detail

value

protected volatile Object value

version

protected volatile long version

creationTime

protected volatile long creationTime

lastAccessTime

protected volatile long lastAccessTime

hitCount

protected volatile long hitCount

cacheDefaultLifespan

protected volatile boolean cacheDefaultLifespan

lastUpdateTime

protected volatile long lastUpdateTime

Constructor Detail

ElementData

public ElementData()

ElementData

public ElementData(Element element)

Method Detail

createElement

public abstract Element createElement(Object key)

This method should return the Element object constructed from fields of this ElementData.

Parameters:

key - the key which the returned Element object should have.

Returns:

the Element object constructed from this ElementData.

writeAttributes

protected abstract void writeAttributes(ObjectOutput oos)
                                 throws IOException

The subclasses must implement this method to persist any subclass specific attribute while serialization
It will be called when this object is being serialized.

Parameters:

oos - the ObjectOutput object on which the attributes must be written

Throws:

IOException

readAttributes

protected abstract void readAttributes(ObjectInput in)
                                throws IOException

The subclasses must implement this method to read any subclass specific attributes while deserialization
It will be called when this object is being deserialized.

Parameters:

in - the ObjectInput object from which the attributes must be read.

Throws:

IOException

writeExternal

public void writeExternal(ObjectOutput oos)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

getValue

public Object getValue()

getLastAccessedTime

public int getLastAccessedTime()

setLastAccessedTimeInternal

protected void setLastAccessedTimeInternal(int usedAtTime)

getCreateTime

public int getCreateTime()

updateTimestamps

public void updateTimestamps(int createTime,
                             int lastAccessedTime)

Specified by:

updateTimestamps in interface org.terracotta.toolkit.internal.cache.TimestampedValue