我有一个实体类,其中一个属性使用了枚举类型,在尝试持久化该实体时,我得到了以下异常:
javax.validation.UnexpectedTypeException: No validator could be found for type: model.schema.BaseYesNo
任何想法为什么会发生这种情况?我认为,由于它是枚举类型,应该已经由编译器进行了验证,因此不需要某种验证器。(下面是代码)实体属性:
@Enumerated( EnumType.STRING )
@Column( name = "seeded_flag" )
private BaseYesNo seededFlag;
public BaseYesNo getSeededFlag() {
return this.seededFlag;
}
public void setSeededFlag( BaseYesNo seededFlag ) {
this.seededFlag = seededFlag;
}
并且枚举类型的定义:
public enum BaseYesNo {
YES( "Y" ),
NO( "N" );
private String yesNoVal;
private static Map< String, BaseYesNo > stringToEnum = new HashMap< String, BaseYesNo >();
static {
for ( BaseYesNo byn : BaseYesNo.values() ) {
BaseYesNo.stringToEnum.put( byn.toString(), byn );
}
}
BaseYesNo( String yesNoVal ) {
this.yesNoVal = yesNoVal;
}
public static BaseYesNo fromString( String dbValue ) {
return BaseYesNo.stringToEnum.get( dbValue );
}
@Override
public String toString() {
return this.yesNoVal;
}
}