base.java

java网上考试系统

/*
 * @(#)Base.java Dec 14, 2006
 * Copyright 2006 qingdaosoftware, Inc. All rights reserved
 */
package com.qrsx.exam.model;

import java.io.Serializable;

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;

/**
 *  
 * 功能：The base Entity Object
 * It also generate the Base ActionForm that was extends from ValidatorForm.
 * 
 * <p><a href="com.qrsx.exam.model.Base.java"> <i>View Source </i> </a></br>
 * 
 * Company  : QingdaoSoftware<br>
 * Author   : <a href="mailto:[e-mail]">WangXitao</a></p>
 * Version  : 1.0<br>
 * Date     : Dec 14, 2006<br>
 * 
 * @struts.form name="baseForm"
 *              extends="org.apache.struts.validator.ValidatorForm"
 * 
 */
public class Base implements Serializable {

    /**
     * The Generated SerialVersionUID
     */
    private static final long serialVersionUID = -2906321889142722731L;

    /**
     * @hibernate.id column="id" length="32" generator-class="uuid.hex"
     */
    protected String id;

    /**
     * Get the ID of test paper.
     * 
     * @struts.form-field form-name="baseForm"
     * 
     * @return ID
     */
    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    /**
     * Common implement equals method
     */
    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;

        if (!(obj instanceof Base))
            return false;

        Base target = (Base) obj;

        if (this.getId() != null && this.getId().length() > 0) {
            return this.getId().equals(target.getId());
        }

        if (target.getId() != null && target.getId().length() > 0) {
            return false;
        }

        return EqualsBuilder.reflectionEquals(this, obj);
    }

    /**
     * Generate the hash code
     */
    @Override
    public int hashCode() {
        if (this.getId() != null && this.getId().length() > 0) {
            return this.getId().hashCode();
        }

        return HashCodeBuilder.reflectionHashCode(this);
    }

    /**
     * Common implement toString method
     */
    @Override
    public String toString() {
        return ToStringBuilder.reflectionToString(this,
                ToStringStyle.MULTI_LINE_STYLE);
    }
}