studentid.java

简单的Hibernate入门程序

package com.REP.hbm;

/**
 * StudentId entity.
 * 
 * @author MyEclipse Persistence Tools
 */

public class StudentId implements java.io.Serializable {

	// Fields

	private long id;
	private String username;
	private String password;
	private long age;

	// Constructors

	/** default constructor */
	public StudentId() {
	}

	/** minimal constructor */
	public StudentId(long id, String username) {
		this.id = id;
		this.username = username;
	}

	/** full constructor */
	public StudentId(long id, String username, String password, long age) {
		this.id = id;
		this.username = username;
		this.password = password;
		this.age = age;
	}

	// Property accessors

	public long getId() {
		return this.id;
	}

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

	public String getUsername() {
		return this.username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return this.password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

	public long getAge() {
		return this.age;
	}

	public void setAge(long age) {
		this.age = age;
	}

	public boolean equals(Object other) {
		if ((this == other))
			return true;
		if ((other == null))
			return false;
		if (!(other instanceof StudentId))
			return false;
		StudentId castOther = (StudentId) other;

		return (this.getId() == castOther.getId())
				&& ((this.getUsername() == castOther.getUsername()) || (this
						.getUsername() != null
						&& castOther.getUsername() != null && this
						.getUsername().equals(castOther.getUsername())))
				&& ((this.getPassword() == castOther.getPassword()) || (this
						.getPassword() != null
						&& castOther.getPassword() != null && this
						.getPassword().equals(castOther.getPassword())))
				&& (this.getAge() == castOther.getAge());
	}

	public int hashCode() {
		int result = 17;

		result = 37 * result + (int) this.getId();
		result = 37 * result
				+ (getUsername() == null ? 0 : this.getUsername().hashCode());
		result = 37 * result
				+ (getPassword() == null ? 0 : this.getPassword().hashCode());
		result = 37 * result + (int) this.getAge();
		return result;
	}

}