studentcourselinkkey.java

学生信息管理

/*
 * WARNING: DO NOT EDIT THIS FILE. This is a generated file that is synchronized
 * by MyEclipse Hibernate tool integration.
 *
 */
package limq.hibernate.vo;

import java.io.Serializable;

/**
 * A class representing a composite primary key id for the student_course_link
 * table.  This object should only be instantiated for use with instances 
 * of the StudentCourseLink class.
 */
public class StudentCourseLinkKey
    implements Serializable
{
    /** The cached hash code value for this instance.  Settting to 0 triggers re-calculation. */
    private volatile int hashValue = 0;

    /** The value of the CourseId component of this composite id. */
    private java.lang.Integer courseid;

    /** The value of the StudentId component of this composite id. */
    private java.lang.Integer studentid;

    /**
     * Simple constructor of StudentCourseLinkKey instances.
     */
    public StudentCourseLinkKey()
    {
    }

    /**
     * Returns the value of the courseid property.
     * @return java.lang.Integer
     */
    public java.lang.Integer getCourseid()
    {
        return courseid;
    }

    /**
     * Sets the value of the courseid property.
     * @param courseid
     */
    public void setCourseid(java.lang.Integer courseid)
    {
        hashValue = 0;
        this.courseid = courseid;
    }

    /**
     * Returns the value of the studentid property.
     * @return java.lang.Integer
     */
    public java.lang.Integer getStudentid()
    {
        return studentid;
    }

    /**
     * Sets the value of the studentid property.
     * @param studentid
     */
    public void setStudentid(java.lang.Integer studentid)
    {
        hashValue = 0;
        this.studentid = studentid;
    }

    /**
     * Implementation of the equals comparison on the basis of equality of the id components.
     * @param rhs
     * @return boolean
     */
    public boolean equals(Object rhs)
    {
        if (rhs == null)
            return false;
        if (! (rhs instanceof StudentCourseLinkKey))
            return false;
        StudentCourseLinkKey that = (StudentCourseLinkKey) rhs;
        if (this.getCourseid() != null && that.getCourseid() != null)
        {
            if (! this.getCourseid().equals(that.getCourseid()))
            {
                return false;
            }
        }
        if (this.getStudentid() != null && that.getStudentid() != null)
        {
            if (! this.getStudentid().equals(that.getStudentid()))
            {
                return false;
            }
        }
        return true;
    }

    /**
     * Implementation of the hashCode method conforming to the Bloch pattern with
     * the exception of array properties (these are very unlikely primary key types).
     * @return int
     */
    public int hashCode()
    {
        if (this.hashValue == 0)
        {
            int result = 17;
            int courseidValue = this.getCourseid() == null ? 0 : this.getCourseid().hashCode();
            result = result * 37 + courseidValue;
            int studentidValue = this.getStudentid() == null ? 0 : this.getStudentid().hashCode();
            result = result * 37 + studentidValue;
            this.hashValue = result;
        }
        return this.hashValue;
    }
}