hibernate配置enum枚举属性

LimitBy.java

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package com.ndkey.am.access.policy;

/**
*
* @author zxf
*/
public enum LimitBy {
BY_USER,
BY_TERMINAL
}

public class AccessDurationPolicy extends Policy {
public static final int UNLIMITED_DURATION = 0;

private int durationInMinutes;
private LimitBy limitBy;

public int getDurationInMinutes() {
return durationInMinutes;
}

public void setDurationInMinutes(int durationInMinutes) {
if (durationInMinutes < 0) {
throw new IllegalArgumentException("时长不能小于0.");
}
this.durationInMinutes = durationInMinutes;
}

public LimitBy getLimitBy() {
return limitBy;
}

public void setLimitBy(LimitBy limitBy) {
this.limitBy = limitBy;
}

<property column="limit_by" name="limitBy">
<type name="org.hibernate.type.EnumType">
<param name="enumClass">com.ndkey.am.access.policy.LimitBy</param>
<param name="useNamed">true</param>
</type>
</property>