I'm not seeing where you initialize your inner classes. All I see is the
following...
private IconStyle iconStyle;
private LableStyle lableStyle;
private LineStyle lineStyle;
They would be null at this point.
Brandon
On 7/31/07, 钟原froast <[EMAIL PROTECTED]> wrote:
>
> hi, I have a class like this:
>
> package com.gehouse.bean.ge;
>
> public class GEElementStyleBean {
>
>
> public class IconStyle {
> int id;
> float scale;
> boolean transparent;
> public int getId() {
> return id;
> }
> public void setId(int id) {
> this.id = id;
> }
> public float getScale() {
> return scale;
> }
> public void setScale(float scale) {
> this.scale = scale;
> }
> public boolean isTransparent() {
> return transparent;
> }
> public void setTransparent(boolean transparent) {
> this.transparent = transparent;
> }
> }
>
> public class LableStyle {
> String color;
> float scale;
> public String getColor() {
> return color;
> }
> public void setColor(String color) {
> this.color = color;
> }
> public float getScale() {
> return scale;
> }
> public void setScale(float scale) {
> this.scale = scale;
> }
> }
>
> public class LineStyle {
> String color;
> float scale;
> public String getColor() {
> return color;
> }
> public void setColor(String color) {
> this.color = color;
> }
> public float getScale() {
> return scale;
> }
> public void setScale(float scale) {
> this.scale = scale;
> }
> }
>
> private IconStyle iconStyle;
> private LableStyle lableStyle;
> private LineStyle lineStyle;
>
> public IconStyle getIconStyle() {
> return iconStyle;
> }
>
> public void setIconStyle(IconStyle iconStyle) {
> this.iconStyle = iconStyle;
> }
>
> public LableStyle getLableStyle() {
> return lableStyle;
> }
>
> public void setLableStyle(LableStyle lableStyle) {
> this.lableStyle = lableStyle;
> }
>
> public LineStyle getLineStyle() {
> return lineStyle;
> }
>
> public void setLineStyle(LineStyle lineStyle) {
> this.lineStyle = lineStyle;
> }
> }
> -----------------------------------------------------------------------------------------------------------------
>
>
> and result map like this:
>
> <typeAlias alias="GEStyle" type="com.gehouse.bean.ge.GEElementStyleMapBean
> "></typeAlias>
> <typeAlias alias="GEElementStyle" type="
> com.gehouse.bean.ge.GEElementStyleBean "></typeAlias>
>
> <resultMap id="GEStyleResultMap" class="GEStyle">
> <result property="id" column="id"/>
> <result property="name" column="name"/>
>
> <result property="normalStyle.iconStyle.id" column="nomal_icon_id"/>
> <result property="normalStyle.iconStyle.scale"
> column="normal_icon_scale"/>
> <result property="normalStyle.iconStyle.transparent"
> column="normal_icon_transprent"/>
> <result property="normalStyle.lableStyle.color"
> column="normal_label_color"/>
> <result property="normalStyle.lableStyle.scale"
> column="normal_label_scale"/>
> <result property="normalStyle.lineStyle.color"
> column="normal_line_color"/>
> <result property="normalStyle.lineStyle.scale"
> column="normal_line_width"/>
>
> <result property="highlightStyle.iconStyle.id"
> column="highlight_icon_id"/>
> <result property="highlightStyle.iconStyle.scale"
> column="highlight_icon_scale"/>
> <result property="highlightStyle.iconStyle.transparent"
> column="highlight_icon_transprent"/>
> <result property="highlightStyle.lableStyle.color"
> column="highlight_label_color"/>
> <result property="highlightStyle.lableStyle.scale"
> column="highlight_label_scale"/>
> <result property="highlightStyle.lineStyle.color"
> column="highlight_line_color"/>
> <result property="highlightStyle.lineStyle.scale"
> column="highlight_line_width"/>
>
> </resultMap>
>
>
> --------------------------------------------------------------------------------------------------------------
>
> but it throws exceptions, saying that normalStyle.iconStyle is null, all
> the inner class objects are null, the ibatis can't initialize the object.
>
> is there any solutions? any help would be appreciated.
>
