java-programmer >>FYI: A new open source/free O/R mapping tool and server page framework

FYI: A new open source/free O/R mapping tool and server page framework

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- 4
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    forgive me if they r not in the same order.now my question is wat is
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    client.Ofcourse the IP address is loop back address.
    
    Thanks in Advance.
    Srinivas Reddy Thatiparthy.
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    I have a class like this:
    
    class CustomerOrder {
    int globalID;
    ...
    }
    
    I have an array of these.
    I'd like to store an index of globalIDs, so I can do:
    
    CustomerOrder o = index.get(123)
    
    I could modify my class to be:
    
    class CustomerOrder {
    Integer globalID;
    ...
    }
    
    Perhaps it is my C++ background, but the idea of allocating an object for every
    ID when I can just use an int bothers me.
    
    I figure a HashMap is the right tool of choice, e.g.:
    
    HashMap<Integer, CustomerOrder> index = new ...
    
    Has anyone out there already written a modified hashmap class that uses int as
    the key?
    
    Thanks for any tips :)
    
    Andrew
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    responding -- or at least it is really sluggish if you try to use it
    again, and not just for a short time, but until you quit and restart it.
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    party?
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  - help:hibernateit drive me crazy!
    where is the error?
    when i use hibernate to connect to the mySQL,some error happens,just
    like:
    net.sf.hibernate.PropertyNotFoundException: no appropriate constructor
    in class:
    
    but i have defined a constructor without parameters!
    
    it really block me,help!
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  - any nerds doing nex gen XML/Semantic Web security?http://groups.yahoo.com/group/SandHillEC/
    
    Where MITs/Berkeleys/IITs/Caltechs/Xerox Parcs CSEEs
    hang when they want to fund the next big thing.
- 8
  - How to get the path of remotly run application by knowing the port numberHi,
    I am new to this group, and i request you all to help in solving the
    issues i have.
    Thank you for having this group.
    I need to know the path or install directory of an application,
    I am able to access the the application by port number.
    but i need to wright a java programe thr which i need to get the path
    or install directory of the application.
    Eg
    http://servername:2000/
    I request you all to help in the same.
- 10
  - String comparision efficencyHI!
    I have an appliation that will need to parse a text of unkown length.
    I get the data as an array of strings (and thus I know then how much
    data it is)
    I want to do several things on each "row" (that is each element in the
    array) I want to
    1. look for a specific word (start) and count how many of them there
    are in total.
    2. Highlight the word alarm and append a short description to the end
    of the line
    
    my first thought was to use
    
    for(int i=0;i<data.length++){
    if(data[i].endsWith("start"){
    // do the work..
    }else if(data[i].startsWith("Alarm")){
    //do different work
    }
    }
    
    this seems to be rather inefficent as I get two (and possibly more, my
    employer did not seem think these few features were enough..)
    Is there a better way to do this.
    As the alarm line also contains an alarm code, I do not know what it
    looks like. Any suggestions?
    
    regards
    /daniel
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  - How do you access your computer's time using Java?What is the way of getting your system's current time(as shown in the
    system tray in Windows) in Java?
    Thanks.
- 14
  - message Driven bean problemhi,
    
    i am trying to design an EJB application using session , entity and
    message beans
    
    it's a messaging board , a user can add a message , reply to a
    message , and delete the message
    
    when glasfish is running more than one application,
    
    the board client side keeps calling the wrong jms\
    
    // the addTopic class
    package web;
    
    import ejb.Topic;
    import java.io.*;
    
    import java.util.Date;
    import javax.annotation.Resource;
    import javax.jms.Connection;
    import javax.jms.ConnectionFactory;
    import javax.jms.JMSException;
    import javax.jms.MessageProducer;
    import javax.jms.ObjectMessage;
    import javax.jms.Queue;
    import javax.jms.Session;
    import javax.servlet.*;
    import javax.servlet.http.*;
    
    public class AddTopic extends HttpServlet {
    
    @Resource(mappedName = "jms/BoardTopicFactory")
    private ConnectionFactory connectionFactorys = null;
    @Resource(mappedName = "jms/BoardTopic")
    private Queue queue = null;
    private Connection connection = null;
    private Session session = null;
    
    @Override
    protected void doGet(HttpServletRequest request,
    HttpServletResponse response)
    throws ServletException, IOException {
    
    try {
    try {
    // creating a connection
    connection = connectionFactorys.createConnection();
    session = connection.createSession(false,
    Session.AUTO_ACKNOWLEDGE);
    MessageProducer messageProducer =
    session.createProducer(queue);
    
    ObjectMessage message = session.createObjectMessage();
    
    Topic topic = new Topic();
    // getting and setting all attributes required for the
    topic
    topic.setTopicDate(new Date());
    // topic name validation , if empty , do not add it to
    the database
    if (request.getParameter("topicName").equals("")) {
    } else {
    
    topic.setTopicName(request.getParameter("topicName"));
    
    message.setObject(topic);
    messageProducer.send(message);
    
    messageProducer.close();
    // connection.close();
    }
    } finally {
    if (session != null) {
    session.close();
    }
    if (connection != null) {
    connection.close();
    }
    }
    } catch (JMSException ex) {
    ex.printStackTrace();
    }
    
    getServletConfig().getServletContext().getRequestDispatcher("/
    index.jsp").forward(request, response);
    }
    
    @Override
    protected void doPost(HttpServletRequest request,
    HttpServletResponse response)
    throws ServletException, IOException {
    doGet(request, response);
    }
    
    /**
    * Returns a short description of the servlet.
    */
    @Override
    public String getServletInfo() {
    return "Short description";
    }
    // </editor-fold>
    }
    
    ----------------------------------------------------------------------------------------------------
    ///the jms class
    
    package ejb;
    
    import javax.annotation.Resource;
    import javax.ejb.ActivationConfigProperty;
    import javax.ejb.MessageDriven;
    import javax.ejb.MessageDrivenContext;
    import javax.jms.JMSException;
    import javax.jms.Message;
    import javax.jms.MessageListener;
    import javax.jms.ObjectMessage;
    import javax.persistence.EntityManager;
    import javax.persistence.PersistenceContext;
    
    @MessageDriven(mappedName = "jms/BoardTopic", activationConfig = {
    @ActivationConfigProperty(propertyName = "acknowledgeMode",
    propertyValue = "Auto-acknowledge"),
    @ActivationConfigProperty(propertyName = "destinationType",
    propertyValue = "javax.jms.Queue")
    })
    public class BoardTopicBean implements MessageListener {
    
    @PersistenceContext
    private EntityManager em;
    @Resource
    MessageDrivenContext mdc;
    
    public BoardTopicBean() {
    }
    
    public void onMessage(Message message) {
    ObjectMessage msg = null;
    try {
    msg = (ObjectMessage) message;
    
    persist(msg.getObject());
    
    } catch (JMSException e) {
    e.printStackTrace();
    mdc.setRollbackOnly();
    } catch (Throwable te) {
    te.printStackTrace();
    }
    }
    
    public void persist(Object object) {
    
    // save the object (MessageTable or Topic)
    em.persist(object);
    
    // if the object is a MessageTable then add this newly created/
    persisted object to the list of messages in the topic
    if (object instanceof MessageTable) {
    MessageTable msg = (MessageTable) object;
    Topic topic = msg.getTopic();
    
    if (topic == null) {
    em.remove(msg);
    } else {
    topic = em.find(Topic.class, topic.getId());
    topic.getMessages().add(msg);
    em.merge(topic);
    }
    } else {
    System.out.println("Wrong type in
    merge..................");
    }
    }
    }
    ----------------------------------------------------------------------------------------------------------------------
    some of the exceptions thrown to the console
    
    DirectConsumer:Caught Exception delivering
    messagecom.sun.messaging.jmq.io.Packet cannot be cast to
    com.sun.messaging.jms.ra.DirectPacket
    MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
    object::message=ejb.Topic
    javax.jms.MessageFormatException:
    MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
    object::message=ejb.Topic
    at
    com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
    169)
    at ejb.HockeyMessagesBean.onMessage(HockeyMessagesBean.java:
    34)
    at sun.reflect.GeneratedMethodAccessor140.invoke(Unknown
    Source)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
    25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at
    com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:
    1067)
    at
    com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176)
    at
    com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:
    2895)
    at
    com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:
    3986)
    at
    com.sun.ejb.containers.MessageBeanContainer.deliverMessage(MessageBeanContainer.java:
    1111)
    at
    com.sun.ejb.containers.MessageBeanListenerImpl.deliverMessage(MessageBeanListenerImpl.java:
    74)
    at
    com.sun.enterprise.connectors.inflow.MessageEndpointInvocationHandler.invoke(MessageEndpointInvocationHandler.java:
    179)
    at $Proxy52.onMessage(Unknown Source)
    at
    com.sun.messaging.jms.ra.OnMessageRunner.run(OnMessageRunner.java:258)
    at
    com.sun.enterprise.connectors.work.OneWork.doWork(OneWork.java:76)
    at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl
    $WorkerThread.run(ThreadPoolImpl.java:555)
    Caused by: java.lang.ClassNotFoundException: ejb.Topic
    at
    com.sun.enterprise.loader.EJBClassLoader.findClassData(EJBClassLoader.java:
    718)
    at
    com.sun.enterprise.loader.EJBClassLoader.findClass(EJBClassLoader.java:
    631)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
    319)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at com.sun.messaging.jms.ra.DirectObjectPacket
    $ObjectInputStreamWithContextLoader.resolveClass(DirectObjectPacket.java:
    301)
    at
    java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:
    1575)
    at
    java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
    at
    java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:
    1732)
    at
    java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:
    351)
    at
    com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
    155)
    ... 15 more
    DirectConsumer:Caught Exception delivering
    messagecom.sun.messaging.jmq.io.Packet cannot be cast to
    com.sun.messaging.jms.ra.DirectPacket
    MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
    object::message=ejb.HockeyEntity
    javax.jms.MessageFormatException:
    MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
    object::message=ejb.HockeyEntity
    at
    com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
    169)
    at ejb.BoardTopicBean.onMessage(BoardTopicBean.java:33)
    at sun.reflect.GeneratedMethodAccessor146.invoke(Unknown
    Source)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
    25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at
    com.sun.enterprise.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:
    1067)
    at
    com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:176)
    at
    com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(BaseContainer.java:
    2895)
    at
    com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:
    3986)
    at
    com.sun.ejb.containers.MessageBeanContainer.deliverMessage(MessageBeanContainer.java:
    1111)
    at
    com.sun.ejb.containers.MessageBeanListenerImpl.deliverMessage(MessageBeanListenerImpl.java:
    74)
    at
    com.sun.enterprise.connectors.inflow.MessageEndpointInvocationHandler.invoke(MessageEndpointInvocationHandler.java:
    179)
    at $Proxy56.onMessage(Unknown Source)
    at
    com.sun.messaging.jms.ra.OnMessageRunner.run(OnMessageRunner.java:258)
    at
    com.sun.enterprise.connectors.work.OneWork.doWork(OneWork.java:76)
    at com.sun.corba.ee.impl.orbutil.threadpool.ThreadPoolImpl
    $WorkerThread.run(ThreadPoolImpl.java:555)
    Caused by: java.lang.ClassNotFoundException: ejb.HockeyEntity
    at
    com.sun.enterprise.loader.EJBClassLoader.findClassData(EJBClassLoader.java:
    718)
    at
    com.sun.enterprise.loader.EJBClassLoader.findClass(EJBClassLoader.java:
    631)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:
    319)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at com.sun.messaging.jms.ra.DirectObjectPacket
    $ObjectInputStreamWithContextLoader.resolveClass(DirectObjectPacket.java:
    301)
    at
    java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:
    1575)
    at
    java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
    at
    java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:
    1732)
    at
    java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:
    351)
    at
    com.sun.messaging.jms.ra.DirectObjectPacket.getObject(DirectObjectPacket.java:
    155)
    ... 15 more
    DirectConsumer:Caught Exception delivering
    messagecom.sun.messaging.jmq.io.Packet cannot be cast to
    com.sun.messaging.jms.ra.DirectPacket
    MQJMSRA_DM4001: :Exception:ObjectMessage.getObject()DeSerializing
    object::message=ejb.HockeyEntity
    
    -----------------------
    
    any idea guys???
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    [CODE]
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    On mouseExited of the JPanel i set the bounds of the JPanel to a new
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    Other than using JSplitPane to create a resizable JPanel, how can I make
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    Others have suggested using LayoutManagers but which one and how?
    
    Thank you in advance.
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    The program is a board game - the user chooses a building from a panel,
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    for it with. Here's a trace of the code:
    
    Game (main object):
    ....
    board[i].activate():
    Game.game.setPlayer(worker);
    Game.game.playerMessage("Choose a wooden building
    from the building panel.");
    Game.game.waitForBuild(type) :
    built = false;
    state = type + Game.BuildWood -
    1;
    
    mainPanel.buildings.getBP().setSelectedIndex(type-1);
    while(!built)
    { Thread.yield(); }
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    following code, which is where the freeze occurs:
    
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    would be greatly appreciated!

Author

Message

java

Posted: 2007-8-16 18:38:00

Top

java-programmer, FYI: A new open source/free O/R mapping tool and server page framework Announce:

A new open-source O/R mapping tool has just been released. There
are many such programs out there...but this one is very
special because it's simple (no xml configuration ! yay) and has
been tested extensively with postgres (and a bit with mysql).

This tool has been used in production enviroments so the
generated code has most bugs squeezed out by now.

If you have a minute, you can check it out at:

http://www.mollypages.org/dbo/

There's also a server-side page type thingy (like JSP) but with
much cleaner syntax (and easy typing).

Enjoy !

Index ‹ java-programmer

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- 10
  - Using Unicode symbolsI'm trying to use some of the "Miscellaneous Symbols" from the Unicode
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    Thanks
    Jim
- 11
  - Calling a C routine from .dllHi friends,
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    library. I don't know if this is possible and if so, how can I do it.
    
    Thanks in advance!
    Salvador Huertas.
- 12
  - Need help creating a grid.Hello I am new to Java AWT/Swing and have a question.
    I would like to create a 10x10 grid, where each "cell" can handle mouse
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    I was thinking of using JButtons but I want the "cells" to look more like
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- 13
  - Bug#438188: RFP: schemaspy -- Graphical Database Schema Metadata BrowserPackage: wnpp
    Severity: wishlist
    
    * Package name : schemaspy
    Version : 3.1.1
    Upstream Author : John Currier <email***@***.com>
    * URL : http://schemaspy.sourceforge.net/
    * License : LGPL
    Programming Lang: Java
    Description : Graphical Database Schema Metadata Browser
    
    SchemaSpy is a Java-based tool (requires Java 1.4 or higher) that
    analyzes the metadata of a schema in a database and generates a visual
    representation of it in a browser-displayable format. It lets you click
    through the hierarchy of database tables via child and parent table
    relationships. The browsing through relationships can occur though HTML
    links and/or though the graphical representation of the relationships.
    It's also designed to help resolve the obtuse errors that a database
    sometimes gives related to failures due to constraints.
    
    --
    To UNSUBSCRIBE, email to email***@***.com
    with a subject of "unsubscribe". Trouble? Contact email***@***.com
- 14
  - pushlet applicationHi
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- 15
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