HP Cloud Services Pricing

HP Cloud Compute Pricing

Instance Type	RAM (GB)	Virtual Cores	Disk (GB)	($/hr)	($ Monthly aprx)
Standard Extra Small	1	1	30	$0.04	$30.00
Standard Small	2	2	60	$0.08	$60.00
Standard Medium	4	2	120	$0.16	$120.00
Standard Large	8	4	240	$0.32	$240.00
Standard Extra Large	16	4	480	$0.64	$480.00
Standard Double Extra Large	32	8	960	$1.28	$960.00

HP Cloud Services Non-CDN Bandwidth Pricing

Bandwidth	Price ($/GB/mo.)
IN All Data Transfers In	FREE

OUT
First 1 GB	FREE
Up to 10 TB	$0.12
Next 40 TB	$0.09
Next 100 TB	$0.07
Next 350 TB	$0.05
More than 500 TB	Contact HP

HPCloud Pricing

Comments

Access multiple Databases in JPA

According to JPA specification we can define multiple "persistence-unit" elements (i.e. like below) in persistence.xml file and can easily refer them inside Dao layers as this. public class PolarDaoImpl { @PersistenceContext(unitName="PolarPU") protected EntityManager entityManager; -- } public class BearDaoImpl { @PersistenceContext(unitName="BearPU") protected EntityManager entityManager; -- } Checkout sample persistence.xml <?xml version="1.0" encoding="UTF-8"?> <persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">  <persistence-unit name="PolarPU" transaction-type="RESOURCE_LOCAL"> <

JPA 2 new feature @ElementCollection explained

@ElementCollection is new annotation introduced in JPA 2.0, This will help us get rid of One-Many and Many-One shitty syntax. Example 1: Stores list of Strings in an Entity @Entity public class Users implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @ElementCollection private List<String> certifications = new ArrayList <String> (); public Long getId() { return id; } public void setId(Long id) { this.id = id; } public List <String> getCertifications() { return certifications; } public void setCertifications(List <String> certifications) { this.certifications = certifications; } .. } Users u = new Users(); u.getCertifications().add("Sun Certified Java Programmer"); em.persist(u); Generated Tables Users Co

Reuse JPA Entities as DTO

Note : Major design advantages of JPA Entities are they can detached and used across tiers and networks and later can by merged. Checkout this new way of querying entities in JPA 2.0 String ql = " SELECT new prepclass2.Employee (e.firstname, e.lastname) FROM Employee e "; List<Employee> dtos = em.createQuery(ql).getResultList(); The above query loads all Employee entities but with subset of data i.e. firstname, lastname. Employee entity looks like this. @Entity @Table(name="emp") public class Employee implements Serializable { private static final long serialVersionUID = 1L; @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @Column private String firstname; @Column private String lastname; @Column private String username; @Column private String street; @Column private String city; @Column private String state; @Column private String zipc

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