esercizio e test usando jms e mdb

test4_jms/GeneralMessage.java

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+package test4_jms;
+
+import java.io.Serializable;
+
+/**
+ * Created by Giovanni on 31/05/2015.
+ */
+public class GeneralMessage implements Serializable {
+
+    public String s;
+
+}

test4_jms/MDB.java

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+package test4_jms;
+
+import javax.ejb.ActivationConfigProperty;
+import javax.ejb.MessageDriven;
+import javax.inject.Inject;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageListener;
+import java.util.logging.Logger;
+
+/**
+ * Created by Giovanni on 31/05/2015.
+ */
+@MessageDriven(mappedName = "jms/javaee7/Topic", activationConfig = {
+        @ActivationConfigProperty(propertyName = "messageSelector", propertyValue = "author = 0")
+        })
+public class MDB implements MessageListener {
+
+    @Inject
+    Logger l;
+
+    public void onMessage(Message message) {
+        try {
+            GeneralMessage m = message.getBody(GeneralMessage.class);
+            l.info("Messaggio: " + m.s);
+        } catch (JMSException e) {
+            e.printStackTrace();
+        }
+    }
+}