Float Data Type : Hibernate Data Type « Hibernate « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » Hibernate » Hibernate Data TypeScreenshots 
Float Data Type

/////////////////////////////////////////////////////////////////////////
import java.io.Serializable;
import java.util.*;
import java.sql.*;
import org.hibernate.*;
import org.hibernate.cfg.*;
import org.hibernate.criterion.*;
import org.hibernate.event.*;
import org.hibernate.event.def.*;

public class Main {
   public static void main(String[] argsthrows Exception {
      HibernateUtil.setup("create table books(id int, title VARCHAR, author VARCHAR,isbn VARCHAR not null, pagecount int, copyright int, cost numeric(12,2));");    

      Session session = HibernateUtil.currentSession();

      Book book = new Book();
      book.setTitle("Title");
      book.setIsbn("000000000000000");
      book.setAuthor("name");
      book.setCopyright(9);
      book.setPages(330);
      book.setCost(29.99f);

      session.save(book);
      session.flush();

      session.close();
      HibernateUtil.checkData("select * from books");
   }
}




/////////////////////////////////////////////////////////////////////////


import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

    public static final SessionFactory sessionFactory;

    static {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            sessionFactory = new Configuration().configure().buildSessionFactory();
        catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static final ThreadLocal session = new ThreadLocal();

    public static Session currentSession() throws HibernateException {
        Session s = (Sessionsession.get();
        // Open a new Session, if this thread has none yet
        if (s == null) {
            s = sessionFactory.openSession();
            // Store it in the ThreadLocal variable
            session.set(s);
        }
        return s;
    }

    public static void closeSession() throws HibernateException {
        Session s = (Sessionsession.get();
        if (s != null)
            s.close();
        session.set(null);
    }
    
    static Connection conn; 
    static Statement st;
  public static void setup(String sql) {
    try {
      // Step 1: Load the JDBC driver.
      Class.forName("org.hsqldb.jdbcDriver");
      System.out.println("Driver Loaded.");
      // Step 2: Establish the connection to the database.
      String url = "jdbc:hsqldb:data/tutorial";

      conn = DriverManager.getConnection(url, "sa""");
      System.out.println("Got Connection.");

      st = conn.createStatement();
      st.executeUpdate(sql);
    catch (Exception e) {
      System.err.println("Got an exception! ");
      e.printStackTrace();
      System.exit(0);
    }
  }
  public static void checkData(String sql) {
    try {
      HibernateUtil.outputResultSet(st
          .executeQuery(sql));
//      conn.close();
    catch (Exception e) {
      e.printStackTrace();
    }
  }

    public static void outputResultSet(ResultSet rsthrows Exception{
    ResultSetMetaData metadata = rs.getMetaData();

    int numcols = metadata.getColumnCount();
    String[] labels = new String[numcols]
    int[] colwidths = new int[numcols];
    int[] colpos = new int[numcols];
    int linewidth;

      for (int i = 0; i < numcols; i++) {
        labels[i= metadata.getColumnLabel(i + 1)// get its label
        System.out.print(labels[i]+"  ");
    }
      System.out.println("------------------------");

    while (rs.next()) {
        for (int i = 0; i < numcols; i++) {
        Object value = rs.getObject(i + 1);
        System.out.print(value.toString().trim()+"   ");
      }
    }
    }
}

/////////////////////////////////////////////////////////////////////////

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <!-- Database connection settings -->
        <property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
        <property name="connection.url">jdbc:hsqldb:data/tutorial</property>
        <property name="connection.username">sa</property>
        <property name="connection.password"></property>

        <!-- JDBC connection pool (use the built-in-->
        <property name="connection.pool_size">1</property>

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.HSQLDialect</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Mapping files -->
        <mapping resource="Book.hbm.xml"/>
    </session-factory>
</hibernate-configuration>


/////////////////////////////////////////////////////////////////////////


public class Book
  private int id;  
  private String title; 
  private String author; 
  private String isbn; 
  private int pages; 
  private int copyright; 
  private float cost;

  public Book() {
  }

  public void setId(int i) {
    id = i;
  }

  public int getId() {
    return id;
  }

  public void setTitle(String s) {
    title = s;
  }

  public String getTitle() {
    return title;
  }

  public void setAuthor(String s) {
    author = s;
  }

  public String getAuthor() {
    return author;
  }

  public void setIsbn(String s) {
    isbn = s;
  }

  public String getIsbn() {
    return isbn;
  }

  public void setPages(int i) {
    pages = i;
  }

  public int getPages() {
    return pages;
  }

  public void setCopyright(int i) {
    copyright = i;
  }

  public int getCopyright() {
    return copyright;
  }

  public void setCost(float f) {
    cost = f;
  }

  public float getCost() {
    return cost;
  }
}


/////////////////////////////////////////////////////////////////////////


<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" 
"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd"

<hibernate-mapping>
<class name="Book" table="books"
   <id name="id" type="int" unsaved-value="0">
      <generator  class="increment"/>
   </id>

   <property   name="title"/>
   <property   name="author"/>
   <property   name="isbn" not-null="true"/>
   <property   name="pages" type="integer" column="pagecount" /> 
   <property   name="copyright"/>
   <property   name="cost">
      <column     name="cost" sql-type="NUMERIC(12,2)"/> 
   </property>
</class>
</hibernate-mapping>


/////////////////////////////////////////////////////////////////////////


           
       
HibernateFloatDataType.zip( 4,577 k)
Related examples in the same category
1. Java Type VS Hibernate Type
2. Save Date Type
3. Mapping Blob Binary Data Just Mapping (have bugs)
4. Date Calendar Type Demo
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.