Java Doc for KeyGenLockEJB.java in  » Workflow-Engines » wfmopen-2.1.1 » de » danet » an » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Workflow Engines » wfmopen 2.1.1 » de.danet.an.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    de.danet.an.util.KeyGenLockEJB KeyGenLockEJB public class KeyGenLockEJB implements EntityBean(Code) This class is a helper used to synchronize key generators within an application server if the data base does not support SELECT FOR UPDATE. author:    Michael Lipp version:    $Revision: 1.9 $ Method Summary public  void ejbActivate()      The activate method is called when the instance is activated from its "passive" state. public  String ejbCreate(String key)      Create an new instance. public  String ejbFindByPrimaryKey(String pk)      Find an EJB. public  void ejbLoad()      Called by the container to save persistent data. public  void ejbPassivate()      The passivate method is called before the instance enters the "passive" state. public  void ejbPostCreate(String key)      Called after creating a new instance. public  void ejbRemove()      A container invokes this method before it ends the life of the session object. public  void ejbStore()      Called by the container to load persistent data. public  String key()      Just a dummy method that return the key. public  void setEntityContext(EntityContext context)      Set the associated entity context. public  void unsetEntityContext()      Unset the associated entity context. Method Detail ejbActivate public void ejbActivate()(Code) The activate method is called when the instance is activated from its "passive" state. The instance should acquire any resource that it has released earlier in the ejbPassivate() method. This method gets the primary key from container. See Also:   javax.ejb.EntityBean ejbCreate public String ejbCreate(String key) throws CreateException(Code) Create an new instance. Not needed. Parameters:   key - the key primary key of the bean throws:   CreateException - thrown if the EJB cannot be create. ejbFindByPrimaryKey public String ejbFindByPrimaryKey(String pk) throws FinderException(Code) Find an EJB. Parameters:   pk - The primary key of the bean the primary key throws:   FinderException - (ObjectNotFoundException)if no EJB was found ejbLoad public void ejbLoad()(Code) Called by the container to save persistent data. ejbPassivate public void ejbPassivate()(Code) The passivate method is called before the instance enters the "passive" state. The instance should release any resources that it can re-acquire later in the ejbActivate() method. See Also:   javax.ejb.EntityBean ejbPostCreate public void ejbPostCreate(String key) throws CreateException(Code) Called after creating a new instance. Parameters:   key - the key throws:   CreateException - if the EJB cannot be create. ejbRemove public void ejbRemove()(Code) A container invokes this method before it ends the life of the session object. This happens as a result of a client's invoking a remove operation, or when a container decides to terminate the session object after a timeout. See Also:   javax.ejb.EntityBean ejbStore public void ejbStore()(Code) Called by the container to load persistent data. key public String key()(Code) Just a dummy method that return the key. the key setEntityContext public void setEntityContext(EntityContext context)(Code) Set the associated entity context. The container calls this method after the instance creation. See Also:   javax.ejb.EntityBean Parameters:   context - - A SessionContext interface for the instance unsetEntityContext public void unsetEntityContext()(Code) Unset the associated entity context. See Also:   javax.ejb.EntityBean Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)