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prima implementazione di persistence usando eclipselink e database integrato in glassfish.

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This commit is contained in:
Giovanni Di Grezia
2015-05-04 01:27:46 +02:00
parent b76f6811dd
commit 5d21a01bcc
5 changed files with 161 additions and 2 deletions
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17
META-INF/persistence.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
version="2.1">
<persistence-unit name="test3" transaction-type="JTA">
<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
<jta-data-source>jdbc/__default</jta-data-source>
<properties>
<property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
<property name="eclipselink.logging.level" value="FINE" />
</properties>
</persistence-unit>
</persistence>

73
servlet/Servlettest3.java Normal file
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package servlet;
import test2_constraints_validation.*;
import test3_persistence.store_class;
import test3_persistence.test_class;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.transaction.*;
import javax.validation.ConstraintViolation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import javax.validation.executable.ExecutableValidator;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.Method;
import java.util.Iterator;
import java.util.Set;
/**
* Created by Giovanni on 25/04/2015.
*/
@WebServlet(name = "Servlettest3")
public class Servlettest3 extends HttpServlet {
@Inject
store_class s;
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
/* TODO output your page here. */
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet xg</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet xg at " + request.getContextPath() + "</h1>");
s.store_class(new test_class() );
out.println("</body>");
out.println("</html>");
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
processRequest(request, response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
processRequest(request, response);
}
}

4
test1_cdi/GeneralInterceptor.java
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@@ -5,14 +5,14 @@ package test1_cdi;
*/
import javax.annotation.PostConstruct;
import javax.annotation.Priority;
//import javax.annotation.Priority;
import javax.inject.Inject;
import javax.interceptor.*;
import java.util.logging.Logger;
@Interceptor
@GeneralInterceptorA
@Priority(200)
//@Priority(200)
public class GeneralInterceptor {

28
test3_persistence/store_class.java Normal file
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package test3_persistence;
import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
/**
* Created by Giovanni on 04/05/2015.
*/
@Stateless
public class store_class {
@PersistenceContext(unitName = "test3")
private EntityManager em;
public void store_class(test_class t){
em.persist(t);
}
}

41
test3_persistence/test_class.java Normal file
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package test3_persistence;
import javax.annotation.PostConstruct;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.NamedQuery;
@Entity
@NamedQuery(name = "findxg", query = "SELECT b FROM test_class b WHERE b.title ='xg'")
public class test_class {
@Id @GeneratedValue
private Long id;
@PostConstruct
public void ps (){
title = "xg";
}
private String title;
private Double price;
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public Double getPrice() {
return price;
}
public void setPrice(Double price) {
this.price = price;
}
}