hibernate 无主键表映射

package com.sourcefour.bean; // default package import javax.persistence.Column; import javax.persistence.Embeddable; /** * UserId entity. @author MyEclipse Persistence Tools */ @Embeddable public class UserId implements java.io.Serializable { // Fields private int intId; private String varcName; private String varcAddress; private int intAge; // Constructors /** default constructor */ public UserId() { } /** minimal constructor */ public UserId(int intId, int intAge) { this.intId = intId; this.intAge = intAge; } /** full constructor */ public UserId(int intId, String varcName, String varcAddress, int intAge) { this.intId = intId; this.varcName = varcName; this.varcAddress = varcAddress; this.intAge = intAge; } // Property accessors @Column(name="intId", nullable=false) public int getIntId() { return this.intId; } public void setIntId(int intId) { this.intId = intId; } @Column(name="varcName", length=50) public String getVarcName() { return this.varcName; } public void setVarcName(String varcName) { this.varcName = varcName; } @Column(name="varcAddress", length=50) public String getVarcAddress() { return this.varcAddress; } public void setVarcAddress(String varcAddress) { this.varcAddress = varcAddress; } @Column(name="intAge", nullable=false) public int getIntAge() { return this.intAge; } public void setIntAge(int intAge) { this.intAge = intAge; } public boolean equals(Object other) { if ( (this == other ) ) return true; if ( (other == null ) ) return false; if ( !(other instanceof UserId) ) return false; UserId castOther = ( UserId ) other; return (this.getIntId()==castOther.getIntId()) && ( (this.getVarcName()==castOther.getVarcName()) || ( this.getVarcName()!=null && castOther.getVarcName()!=null && this.getVarcName().equals(castOther.getVarcName()) ) ) && ( (this.getVarcAddress()==castOther.getVarcAddress()) || ( this.getVarcAddress()!=null && castOther.getVarcAddress()!=null && this.getVarcAddress().equals(castOther.getVarcAddress()) ) ) && (this.getIntAge()==castOther.getIntAge()); } public int hashCode() { int result = 17; result = 37 * result + this.getIntId(); result = 37 * result + ( getVarcName() == null ? 0 : this.getVarcName().hashCode() ); result = 37 * result + ( getVarcAddress() == null ? 0 : this.getVarcAddress().hashCode() ); result = 37 * result + this.getIntAge(); return result; } }