Java tutorial
/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package net.rrm.ehour.domain; import org.apache.commons.lang.builder.CompareToBuilder; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import org.apache.commons.lang.builder.ToStringBuilder; import org.hibernate.annotations.Cache; import org.hibernate.annotations.CacheConcurrencyStrategy; import org.hibernate.annotations.Type; import javax.persistence.*; import javax.validation.constraints.NotNull; import java.util.HashSet; import java.util.Set; @Entity @Table(name = "CUSTOMER") @Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE) public class Customer extends DomainObject<Integer, Customer> { private static final long serialVersionUID = 7179070624535327915L; @Id @GeneratedValue(strategy = GenerationType.AUTO) @Column(name = "CUSTOMER_ID") private Integer customerId; @Column(name = "CODE", nullable = false, length = 32) @NotNull private String code; @Column(name = "NAME", nullable = false, length = 255) @NotNull private String name; @Column(name = "DESCRIPTION", length = 1024) private String description; @Column(name = "ACTIVE") @Type(type = "yes_no") private Boolean active = Boolean.TRUE; @OneToMany(cascade = { CascadeType.MERGE, CascadeType.PERSIST, CascadeType.REMOVE }, mappedBy = "customer") private Set<Project> projects; @Transient private boolean deletable; // Constructors @Override public String toString() { return new ToStringBuilder(this).append("customerId", customerId).append("code", code).append("name", name) .append("active", active).toString(); } /** * default constructor */ public Customer() { } public Customer(Integer customerId) { this.customerId = customerId; } public Customer(Integer customerId, String code, String name) { this(customerId); this.code = code; this.name = name; } /** * full constructor */ public Customer(String code, String name, String description, boolean active) { this.code = code; this.name = name; this.description = description; this.active = active; } /** * full constructor */ public Customer(Customer customer) { this.customerId = customer.getCustomerId(); this.code = customer.getCode(); this.name = customer.getName(); this.description = customer.getDescription(); this.active = customer.isActive(); } /* * (non-Javadoc) * @see net.rrm.ehour.domain.DomainObject#getFullName() */ @Override public String getFullName() { return (getCode() != null) ? getCode() + " - " + getName() : getName(); } // Property accessors public Integer getCustomerId() { return this.customerId; } public void setCustomerId(Integer customerId) { this.customerId = customerId; } public String getCode() { return this.code; } public void setCode(String code) { this.code = code; } public String getName() { return this.name; } public Customer setName(String name) { this.name = name; return this; } public String getDescription() { return this.description; } public void setDescription(String description) { this.description = description; } /** * @return the projects */ public Set<Project> getProjects() { return projects; } /** * Get only active projects * * @return */ public Set<Project> getActiveProjects() { Set<Project> activeProjects = new HashSet<>(); if (getProjects() != null) { for (Project project : getProjects()) { if (project.isActive()) { activeProjects.add(project); } } } return activeProjects; } /** * @param projects the projects to set */ public void setProjects(Set<Project> projects) { this.projects = projects; } /** * @return the active */ public boolean isActive() { return active; } /** * @param active the active to set */ public void setActive(boolean active) { this.active = active; } /** * @see java.lang.Comparable#compareTo(Object) */ public int compareTo(Customer object) { return new CompareToBuilder().append(this.getNameLowerCase(), object.getNameLowerCase()) .append(this.getCodeLowerCase(), object.getCodeLowerCase()) .append(this.getCustomerId(), object.getCustomerId()).toComparison(); } private String getNameLowerCase() { return getName() == null ? null : getName().toLowerCase(); } private String getCodeLowerCase() { return getCode() == null ? null : getCode().toLowerCase(); } @Override public Integer getPK() { return customerId; } /** * @return the deletable */ public boolean isDeletable() { return deletable; } /** * @param deletable the deletable to set */ public void setDeletable(boolean deletable) { this.deletable = deletable; } public void addProject(Project project) { if (projects == null) { projects = new HashSet<>(); } projects.add(project); project.setCustomer(this); } @Override public boolean equals(final Object other) { if (!(other instanceof Customer)) return false; Customer castOther = (Customer) other; return new EqualsBuilder().append(code, castOther.code).append(name, castOther.name) .append(description, castOther.description).append(active, castOther.active).isEquals(); } @Override public int hashCode() { return new HashCodeBuilder().append(code).append(name).append(description).append(active).toHashCode(); } }