Java tutorial
/* * Copyright 2009 Grepo Committers. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package demo.domain; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import org.apache.commons.lang.builder.ToStringBuilder; /** * @author dguggi */ public class User { /** The id property. */ private Long id; /** The firstname property. */ private String firstname; /** The last name property. */ private String lastname; /** The username property. */ private String username; /** The email property. */ private String email; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getFirstname() { return firstname; } public void setFirstname(String firstname) { this.firstname = firstname; } public String getLastname() { return lastname; } public void setLastname(String lastname) { this.lastname = lastname; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } /** * {@inheritDoc} */ @Override public String toString() { return new ToStringBuilder(this).append("id", getId()).append("username", getUsername()).toString(); } /** * {@inheritDoc} */ @Override public boolean equals(final Object other) { if (!(other instanceof User)) { return false; } User castOther = (User) other; if (getId() == null && castOther.getId() == null) { // if there is no id we call super (address comparison) return super.equals(other); } else { return new EqualsBuilder().append(getId(), castOther.getId()).isEquals(); } } /** * {@inheritDoc} */ @Override public int hashCode() { if (getId() == null) { return super.hashCode(); } else { return new HashCodeBuilder(17, 37).append(getId()).toHashCode(); } } }