Java tutorial
/* * Copyright 2013 David Joyce * * 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 io.github.davejoyce.dao.composite.model; import java.io.Serializable; import java.util.Calendar; import java.util.Date; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.Table; import javax.persistence.Temporal; import javax.persistence.TemporalType; import org.apache.commons.lang.Validate; import org.apache.commons.lang.builder.EqualsBuilder; import org.apache.commons.lang.builder.HashCodeBuilder; import org.apache.commons.lang.builder.ToStringBuilder; import org.apache.commons.lang.builder.ToStringStyle; /** * Uniquely identified application user. * * @author <a href="mailto:dave@osframework.org">Dave Joyce</a> */ @Entity @Table(name = "APP_USER") public class AppUser implements Serializable { private static final long serialVersionUID = 1512453493359804850L; private String userId = null; private Date createdDate = null; private boolean active = false; public AppUser() { } public AppUser(final String userId) { this(userId, Calendar.getInstance().getTime()); } public AppUser(final String userId, final Date createdDate) { this(); this.setUserId(userId); this.setCreateDate(createdDate); } @Id @Column(name = "APP_USER_ID", length = 50, nullable = false) public String getUserId() { return userId; } public void setUserId(String username) { Validate.notNull(userId, "userId argument must not be null!"); this.userId = username; } @Temporal(TemporalType.DATE) @Column(name = "CREATED_DT", nullable = false, insertable = true, updatable = false) public Date getCreateDate() { return createdDate; } public void setCreateDate(Date createdDate) { Validate.notNull(createdDate, "createdDate argument must not be null!"); this.createdDate = createdDate; } @Column(name = "ACTIVE", nullable = false) public boolean isActive() { return active; } public void setActive(boolean active) { this.active = active; } @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE); } @Override public int hashCode() { return new HashCodeBuilder().append(userId).append(createdDate).append(active).toHashCode(); } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null || getClass() != obj.getClass()) return false; final AppUser other = (AppUser) obj; return new EqualsBuilder().append(userId, other.userId).append(createdDate, other.createdDate) .append(active, other.active).isEquals(); } }