esercizi webservices wsdl

exam/CD.java

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+package exam;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
+import javax.validation.constraints.DecimalMin;
+import javax.validation.constraints.NotNull;
+import java.io.Serializable;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+
+@Entity
+@NamedQueries({
+        @NamedQuery(name = "findid", query = "SELECT c FROM CD c WHERE c.id =?1"),
+        @NamedQuery(name = "findauthor", query = "SELECT c FROM CD c WHERE c.author =?1"),
+        @NamedQuery(name = "findall", query = "SELECT c FROM CD c"),
+})
+
+public class CD implements Serializable {
+
+    @NotNull @Id
+    private  String id;
+    @NotNull
+    private String title;
+    @NotNull
+    private String author;
+    @NotNull @DecimalMin("0.0")
+    private Float price;
+
+    public CD (){}
+
+    public CD (@NotNull String id_in,@NotNull String title_in,@NotNull String author_in,@NotNull @DecimalMin("0.0") Float price_in){
+
+        id = id_in;
+        title = title_in;
+        author = author_in;
+        price = price_in;
+
+    }
+
+
+    public @NotNull String getId() {
+        return id;
+    }
+
+
+    public @NotNull String getTitle() {
+        return title;
+    }
+
+    public void setTitle(@NotNull String title) {
+        this.title = title;
+    }
+
+    public @NotNull @DecimalMin("0.0") Float getPrice() {
+        return price;
+    }
+
+    public void setPrice(@NotNull @DecimalMin("0.0") Float price) {
+        this.price = price;
+    }
+
+    public @NotNull String getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(@NotNull String author) {
+        this.author = author;
+    }
+}

exam/ClientPrintAllCDs.java

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+package exam;
+
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+import java.util.Iterator;
+import java.util.List;
+
+public class ClientPrintAllCDs {
+
+
+        public static void main (String[] args) throws NamingException{
+            // added method main and signature exception
+
+            Context ctx =new InitialContext();
+
+            RemoteEJB r = (RemoteEJB) ctx.lookup("java:global/web/EJB!exam.RemoteEJB");
+                List<CD> l =  r.findall();
+                Iterator<CD> i = l.iterator();
+                while (i.hasNext()){
+                    CD temp = i.next();
+                    System.out.print(temp.getId() + " " + temp.getTitle() + " " + temp.getAuthor() + " " +temp.getPrice() + "\n");
+                }
+        }
+
+
+}

exam/ClientUpdatePrice.java

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+package exam;
+
+import javax.jms.ConnectionFactory;
+import javax.jms.Destination;
+import javax.jms.JMSContext;
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+/**
+ * Created by Giovanni on 31/05/2015.
+ */
+public class ClientUpdatePrice {
+
+    public static void main(String[] args) throws NamingException {
+        //removed try catch e added signatute exception to main method
+
+        Context ctx = new InitialContext();
+
+        ConnectionFactory cf = (ConnectionFactory) ctx.lookup("jms/javaee7/ConnectionFactory");
+        Destination d = (Destination) ctx.lookup("jms/javaee7/Topic");
+        try (JMSContext jmsContext = cf.createContext()) {
+            GeneralMessage gm = new GeneralMessage(args[0],Float.valueOf(args[1]));
+            jmsContext.createProducer().send(d, gm);
+        }
+    }
+
+
+
+
+
+
+
+}

exam/DatabaseInitializer.java

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+package exam;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.ejb.Singleton;
+import javax.ejb.Startup;
+import javax.inject.Inject;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+
+@Singleton
+@Startup
+
+public class DatabaseInitializer {
+
+    @Inject
+    EJB e;
+
+    private CD first;
+    private CD second;
+
+    @PostConstruct
+    protected void initialize(){
+        first = new CD("001","Title1","Author1",35.0f);
+        e.createCD(first);
+        second = new CD("002","Title2","Author2",40.0f);
+        e.createCD(second);
+    }
+
+    @PreDestroy
+    protected void deleteall(){
+
+        e.removeCD(first);
+        e.removeCD(second);
+
+    }
+
+}

exam/EJB.java

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+package exam;
+
+import javax.ejb.LocalBean;
+import javax.ejb.Stateless;
+
+import javax.persistence.EntityManager;
+import javax.persistence.PersistenceContext;
+import javax.persistence.Query;
+import java.util.List;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+
+@Stateless
+@LocalBean
+
+public class EJB implements RemoteEJB{
+
+    @PersistenceContext(unitName = "exam")
+    EntityManager em ;
+
+
+    public void createCD (CD c){
+        em.persist(c);
+    }
+
+    public void updateCD (CD c) {
+        em.merge(c);
+        em.persist(c);
+    }
+
+    public void removeCD (CD c){
+        em.merge(c);
+        em.remove(c);
+    }
+
+
+    public List<CD> findall() {
+        Query q = em.createNamedQuery("findall");
+        return (List<CD>) q. getResultList();
+
+    }
+
+
+    public List<CD> findauthor(String author_in) {
+        Query q = em.createNamedQuery("findauthor");
+        q.setParameter(1,author_in);
+        return (List<CD>) q. getResultList();
+    }
+
+
+    public List<CD> findid(String id_in) {
+        Query q = em.createNamedQuery("findid");
+        q.setParameter(1,id_in);
+        return (List<CD>) q. getResultList();
+    }
+}

exam/GeneralMessage.java

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+package exam;
+
+import java.io.Serializable;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+public class GeneralMessage implements Serializable{
+
+    private String id;
+    private Float price;
+
+    public GeneralMessage (String in_id, Float in_price){
+        id = in_id;
+        price = in_price;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public Float getPrice() {
+        return price;
+    }
+}

exam/MDB.java

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+package exam;
+
+
+
+import javax.ejb.MessageDriven;
+import javax.inject.Inject;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageListener;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+
+@MessageDriven(mappedName = "jms/javaee7/Topic")
+public class MDB implements MessageListener {
+
+    @Inject
+    EJB e;
+
+
+    public void onMessage(Message m) {
+
+        try {
+            GeneralMessage gm = m.getBody(GeneralMessage.class);
+            List<CD> l = e.findid(gm.getId());
+            Iterator<CD> i = l.iterator();
+            if (i.hasNext()){
+                CD temp = i.next();
+                temp.setPrice(gm.getPrice());
+                e.updateCD(temp);
+            }
+
+        } catch (JMSException e) { // added try catch for JMSException
+            e.printStackTrace();
+        }
+
+
+    }
+
+}

exam/RemoteEJB.java

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+package exam;
+
+import javax.ejb.Remote;
+import java.util.List;
+
+/**
+ * Created by Giovanni on 16/06/2015.
+ */
+@Remote
+public interface RemoteEJB {
+
+    List<CD> findall();
+    List<CD> findauthor(String author_in);
+    List<CD> findid(String id_in);
+
+}