先写一个双主键类,参考如下:
public class EvectionResearchCompanyContactPk implements Serializable {
private static final long serialVersionUID = 1L;
private String companyId;
private String name;//2011-11-27
public EvectionResearchCompanyContactPk() {
}
@Override
public boolean equals(Object obj){
if (obj == this) {
return true;
}
if (!(obj instanceof EvectionResearchCompanyContactPk)) {
return false;
}
EvectionResearchCompanyContactPk pk = (EvectionResearchCompanyContactPk)obj;
if (!name.equals(pk.name)){
return false;
}
if (companyId != pk.companyId) {
return false;
}
return true;
}
@Override
public int hashCode(){
return name.hashCode() + companyId.hashCode();
}
public String getCompanyId() {
return companyId;
}
public void setCompanyId(String companyId) {
this.companyId = companyId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
实体类的调用:
@Entity
@Table(name = "KM_BUSINESS_RESCH_COMCONTACT")
@org.hibernate.annotations.Proxy(lazy = false)
@IdClass(EvectionResearchCompanyContactPk.class)
public class EvectionResearchCompanyContact implements Serializable {
private static final long serialVersionUID = 1L;
private String companyContactId;
@Id
private String companyId;
@Id
private String name;
创建双主键时引用实体类
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转载自2047033272.iteye.com/blog/2149558
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