Hey
jBoss CVS Development wrote:
>
> User: mgroot
> Date: 01/01/24 12:35:27
>
> Added: src/main/org/jboss/util AutoNumberHome.java
> AutoNumberEJB.java AutoNumberFactory.java
> AutoNumber.java
> Log:
> Autonumber utility classes & EJB
Why are these in main JBoss CVS and not in the Zola CVS module? I don't
see why we should put EJB's, of any kind, into the server CVS.
regards,
Rickard
>
> Revision Changes Path
> 1.1 jboss/src/main/org/jboss/util/AutoNumberHome.java
>
> Index: AutoNumberHome.java
> ===================================================================
> /*
> * JBoss, the OpenSource EJB server
> *
> * Distributable under LGPL license.
> * See terms of license at gnu.org.
> */
>
> package org.jboss.util;
>
> import javax.ejb.EJBHome;
> import javax.ejb.CreateException;
> import javax.ejb.FinderException;
> import java.rmi.RemoteException;
>
> /*
> * @author <a href="mailto:[EMAIL PROTECTED]">Michel de Groot</a>
> * @version $Revision: 1.1 $
> */
> public interface AutoNumberHome extends EJBHome {
> /**
> * Creates an AutoNumber of given name.
> * @param name the name of the AutoNumber
> */
> public AutoNumber create(String name) throws CreateException,
>RemoteException;
>
> /**
> * Finds an AutoNumber by its name.
> */
> public AutoNumber findByPrimaryKey(String name) throws FinderException,
>RemoteException;
> }
>
>
> 1.1 jboss/src/main/org/jboss/util/AutoNumberEJB.java
>
> Index: AutoNumberEJB.java
> ===================================================================
> /*
> * JBoss, the OpenSource EJB server
> *
> * Distributable under LGPL license.
> * See terms of license at gnu.org.
> */
>
> package org.jboss.util;
>
> import javax.ejb.EntityBean;
> import javax.naming.InitialContext;
>
> /*
> * @author <a href="mailto:[EMAIL PROTECTED]">Michel de Groot</a>
> * @version $Revision: 1.1 $
> */
> public class AutoNumberEJB implements EntityBean {
> public String name;
> public Integer value;
>
> public String ejbCreate(String name) {
> this.name = name;
> this.value = new Integer(0);
>
> return null;
> }
>
> public void ejbPostCreate(String name) {}
>
> public Integer getValue() {
> return value;
> }
>
> public void setValue(Integer value) {
> this.value = value;
> }
>
> public void ejbActivate() {}
> public void ejbPassivate() {}
> public void ejbLoad() {}
> public void ejbStore() {}
> public void ejbRemove() {}
> public void setEntityContext(javax.ejb.EntityContext ec) {}
> public void unsetEntityContext() {}
>
> }
>
>
> 1.1 jboss/src/main/org/jboss/util/AutoNumberFactory.java
>
> Index: AutoNumberFactory.java
> ===================================================================
> /*
> * JBoss, the OpenSource EJB server
> *
> * Distributable under LGPL license.
> * See terms of license at gnu.org.
> */
>
> package org.jboss.util;
>
> import javax.naming.InitialContext;
>
> /**
> * AutoNumberFactory can persistently auto number items.
> *
> * @author <a href="mailto:[EMAIL PROTECTED]">Michel de Groot</a>
> * @version $Revision: 1.1 $
> */
> public class AutoNumberFactory {
> private static AutoNumberHome autoNumberHome;
>
> /**
> * Gets the next key for the given collection.
> * Note 1: you must deploy EJB AutoNumber
> * Note 2: the keys are persistent in your database, independent of
> * the actual table
> * Note 3: you can only add instances to the collection which have a
> * key generated by this method, otherwise the keys are not guaranteed
> * to be unique
> * Note 4: key values are >= 0
> * @param collectionName the name of the collection for which you want an
>autonumber
> * @throws ArrayIndexOutOfBoundsException if no more numbers are available
> */
> public static Integer getNextInteger(String collectionName) throws
>ArrayIndexOutOfBoundsException {
> Integer value = null;
> AutoNumber autoNumber = null;
> if (autoNumberHome == null) {
> try {
> autoNumberHome = (AutoNumberHome)new
>InitialContext().lookup("JBossUtilAutoNumber");
> } catch (javax.naming.NamingException e) {
> e.printStackTrace();
> }
> }
> try {
> autoNumber =
>(AutoNumber)autoNumberHome.findByPrimaryKey(collectionName);
> } catch (javax.ejb.FinderException e) {
> // autonumber does not exist yet, create one at value 0
> try {
> autoNumber = autoNumberHome.create(collectionName);
> } catch (javax.ejb.CreateException e11) {
> e11.printStackTrace();
> } catch (java.rmi.RemoteException e12) {
> e12.printStackTrace();
> }
> try {
> autoNumber.setValue(new Integer(0));
> } catch (java.rmi.RemoteException e21) {
> e21.printStackTrace();
> }
> } catch (java.rmi.RemoteException e2) {
> e2.printStackTrace();
> }
> try {
> value = autoNumber.getValue();
> autoNumber.setValue(new Integer(value.intValue()+1));
> } catch (java.rmi.RemoteException e) {
> e.printStackTrace();
> }
>
> return value;
> }
>
> /**
> * Resets the given autonumber to zero.
> * Use with extreme care!
> */
> public static void resetAutoNumber(String collectionName) {
> setAutoNumber(collectionName,new Integer(0));
> }
>
> /**
> * Sets the given autonumber to the given value so that it starts
> * counting at the given value.
> * Use with extreme care!
> */
> public static void setAutoNumber(String collectionName, Integer value) {
> AutoNumber autoNumber = null;
> if (autoNumberHome == null) {
> try {
> autoNumberHome = (AutoNumberHome)new
>InitialContext().lookup("JBossUtilAutoNumber");
> } catch (javax.naming.NamingException e) {
> e.printStackTrace();
> }
> }
> try {
> autoNumber =
>(AutoNumber)autoNumberHome.findByPrimaryKey(collectionName);
> } catch (javax.ejb.FinderException e) {
> // autonumber does not exist yet, create one
> try {
> autoNumber = autoNumberHome.create(collectionName);
> } catch (javax.ejb.CreateException e11) {
> e11.printStackTrace();
> } catch (java.rmi.RemoteException e12) {
> e12.printStackTrace();
> }
> } catch (java.rmi.RemoteException e2) {
> e2.printStackTrace();
> }
> try {
> autoNumber.setValue(value);
> } catch (java.rmi.RemoteException e) {
> e.printStackTrace();
> }
> }
> }
>
>
> 1.1 jboss/src/main/org/jboss/util/AutoNumber.java
>
> Index: AutoNumber.java
> ===================================================================
> /*
> * JBoss, the OpenSource EJB server
> *
> * Distributable under LGPL license.
> * See terms of license at gnu.org.
> */
>
> package org.jboss.util;
>
> import javax.ejb.EJBObject;
> import java.rmi.RemoteException;
>
> /**
> * AutoNumber stores autonumbers for items in a collection.
> *
> * @author <a href="mailto:[EMAIL PROTECTED]">Michel de Groot</a>
> * @version $Revision: 1.1 $
> */
> public interface AutoNumber extends EJBObject {
>
> /**
> * Gets the current value of the autonumber.
> */
> public Integer getValue() throws RemoteException;
>
> /**
> * Sets the current value of the autonumber.
> */
> public void setValue(Integer value) throws RemoteException;
> }
>
>
--
Rickard Öberg
Email: [EMAIL PROTECTED]
