急！！！ Java 枚举 Enum --Swith..Case怎样操作枚举 求解?

package ts.bca.meta;

import java.util.Arrays;

import util.enumerate.base.EnumUtil;
import util.enumerate.base.IntegerEnumTypeImp;

/**
* 流程定义中的任务类型枚举类
*
* @category
* @version $Revision: 1.3 $ Mar 25, 2010
* @date Mar 25, 2010 3:39:44 PM
*/
public class EmergencyInfoReportStatesEnum extends IntegerEnumTypeImp {

/**
* serialUID.
*/
private static final long serialVersionUID = -1L;

/**
* @deprecated
*/
public EmergencyInfoReportStatesEnum() {
super();
}

/**
* @param storeValue 存储值.         ֵ
*/
private EmergencyInfoReportStatesEnum(int storeValue) {
super(storeValue, EmergencyInfoReportStatesEnum.class.getName() + "."
+ storeValue, SystemEnumUtil.resource);
}

/** 空值型. */
public static final EmergencyInfoReportStatesEnum NULL = new EmergencyInfoReportStatesEnum();
/**
* 1 报送中
*/
final public static EmergencyInfoReportStatesEnum REPORTING = new EmergencyInfoReportStatesEnum(1);
/**
* 2 已报送
*/
final public static EmergencyInfoReportStatesEnum REPORT_END = new EmergencyInfoReportStatesEnum(2);
/**
* 3 评估中
*/
final public static EmergencyInfoReportStatesEnum ASSESS = new EmergencyInfoReportStatesEnum(3);
/**
* 4 已评估
*/
final public static EmergencyInfoReportStatesEnum ASSESS_END = new EmergencyInfoReportStatesEnum(4);
/**
* 5 已删除
*/
final public static EmergencyInfoReportStatesEnum DELETED = new EmergencyInfoReportStatesEnum(5);
/**
* 6 已关闭
*/
final public static EmergencyInfoReportStatesEnum CLOSED = new EmergencyInfoReportStatesEnum(6);

private static final EmergencyInfoReportStatesEnum[] ALL = {REPORTING, REPORT_END,ASSESS,ASSESS_END,DELETED,CLOSED};
static {
Arrays.sort(ALL);
}

/**
* 取得所有枚举
*
* @return
*/
public static EmergencyInfoReportStatesEnum[] getAll() {
return ALL;
}

/**
* 根据键值取得枚举.
*
* @param code
* @return
*/
public static final EmergencyInfoReportStatesEnum fromIntCode(final int code) {
int pos = EnumUtil.search(ALL, code);
return (pos >= 0) ? ALL[pos] : null;
}

}

int code=event.getStates();
switch(code){
case 5:
System.out.println("EventManageServiceImpl: 事件[ID="+eventId+"]已经被其他人删除.");
break;
default:
//执行删除操作
System.out.println("EventManageServiceImpl: 事件[ID="+eventId+"]已经找到,即将被删除...");
event.setStates(5);
break;
}