Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package br.gov.ms.saude.portalolapses.entity; /** * * @author tntiago */ import java.io.Serializable; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persistence.Inheritance; import javax.persistence.InheritanceType; import javax.persistence.MappedSuperclass; import javax.persistence.Version; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; @MappedSuperclass @Inheritance(strategy = InheritanceType.JOINED) public abstract class AbstractEntity implements Serializable { /** * */ private static final long serialVersionUID = -489637051819304520L; private Integer id; private Integer version; @Override public boolean equals(Object object) { return EqualsBuilder.reflectionEquals(this, object); } @Id @GeneratedValue(strategy = GenerationType.IDENTITY) public Integer getId() { return id; } @Version public Integer getVersion() { return version; } @Override public int hashCode() { return HashCodeBuilder.reflectionHashCode(this); } public void setId(Integer id) { this.id = id; } public void setVersion(Integer version) { this.version = version; } }