net.walend.lyophil.ejb.ejbbeans
Class FreezerEJBBean

java.lang.Object
  |
  +--net.walend.lyophil.ejb.ejbbeans.FreezerEJBBean

All Implemented Interfaces:

javax.ejb.EnterpriseBean, java.io.Serializable, javax.ejb.SessionBean

public class FreezerEJBBean

extends java.lang.Object

implements javax.ejb.SessionBean

Since:

20010905

Author:

David Walend

Field Summary

private javax.ejb.SessionContext	ctx
static java.lang.String	EJBFREEZERDELEGATE
private Freezer	freezer

Constructor Summary

FreezerEJBBean()

Method Summary

int	count() Returns the number of elements in this collection.
void	ejbActivate()
void	ejbCreate()
void	ejbPassivate()
void	ejbRemove()
void	freeze(Freezable victem) Take the Thawed victem and put it in cold storage.
SetOfFreezables	getAll() Returns a lyophilizer.collection.Set of Freezables.
boolean	isAvailable(java.io.Serializable identifier) Return true if identifier is available in the freezer
boolean	isEmpty() Returns true if this collection contains no elements.
void	setSessionContext(javax.ejb.SessionContext context)
Freezable	thaw(java.io.Serializable identifier) For the identifier, return a Freezable object containing the data.
void	throwOut(java.io.Serializable identifier) Remote the Freezable identified by identifier from the persistent storage
void	throwOutAll() Throw out everything in the Freezer.

Methods inherited from class java.lang.Object

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

Field Detail

EJBFREEZERDELEGATE

public static final java.lang.String EJBFREEZERDELEGATE

freezer

private Freezer freezer

ctx

private javax.ejb.SessionContext ctx

Constructor Detail

FreezerEJBBean

public FreezerEJBBean()

Method Detail

setSessionContext

public void setSessionContext(javax.ejb.SessionContext context)

Specified by:

setSessionContext in interface javax.ejb.SessionBean

ejbActivate

public void ejbActivate()

Specified by:

ejbActivate in interface javax.ejb.SessionBean

ejbPassivate

public void ejbPassivate()

Specified by:

ejbPassivate in interface javax.ejb.SessionBean

ejbRemove

public void ejbRemove()

Specified by:

ejbRemove in interface javax.ejb.SessionBean

ejbCreate

public void ejbCreate()
               throws javax.ejb.CreateException

freeze

public void freeze(Freezable victem)

Take the Thawed victem and put it in cold storage.

Throws:

<{CannotFreezeException}>

thaw

public Freezable thaw(java.io.Serializable identifier)
               throws NotInFreezerException

For the identifier, return a Freezable object containing the data.

Throws:

<{CannotThawException}>

NotInFreezerException

throwOut

public void throwOut(java.io.Serializable identifier)
              throws NotInFreezerException

Remote the Freezable identified by identifier from the persistent storage

Throws:

<{CannotThrowOutException}>

NotInFreezerException

isAvailable

public boolean isAvailable(java.io.Serializable identifier)

Return true if identifier is available in the freezer

Throws:

<{PersistenceFailureException}>

throwOutAll

public void throwOutAll()

Throw out everything in the Freezer.

getAll

public SetOfFreezables getAll()

Returns a lyophilizer.collection.Set of Freezables.

Throws:

<{PersistenceFailureException}>

count

public int count()

Returns the number of elements in this collection. If this collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

isEmpty

public boolean isEmpty()

Returns true if this collection contains no elements.