package com.redhat.training.services;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.List;
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import javax.ejb.EJBException;
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import javax.ejb.Stateless;
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//import persistence related libraries
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import javax.persistence.TypedQuery;
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import com.redhat.training.model.Person;
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@Stateless
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public class PersonService {
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//TODO: obtain an EntityManager instance using @PersistenceContext
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// Simple non-RESTy method for JSF bean invocation
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public String hello(String name) {
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try {
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// let's grab the current date and time on the server
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LocalDateTime today = LocalDateTime.now();
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// format it nicely for on-screen display
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DateTimeFormatter format = DateTimeFormatter.ofPattern("MMM dd yyyy hh:mm:ss a");
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String fdate = today.format(format);
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// Create a new Person object and persist to database
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Person p = new Person();
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p.setName(name);
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// call persist() method of entity manager to save the data
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// respond back with Hello and convert the name to UPPERCASE. Also, send the
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// current time on the server.
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return "Hello " + name.toUpperCase() + "!. " + "Time on the server is: " + fdate;
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} catch (Exception e) {
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throw new EJBException(e);
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}
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}
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// TODO:add public String getPerson(Long id) method here to fetch result
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// by Person id using find() method
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// Get all Person objects in the Database
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public List<Person> getAllPersons() {
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TypedQuery<Person> query = entityManager.createQuery("SELECT p FROM Person p", Person.class);
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List<Person> persons = query.getResultList();
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return persons;
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}
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}
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