流程模式

public class DefaultAwardCommanderProcedure implements AwardCommanderProcdure {
	private List<Commander> commanderList;
	@Override
	public AwardResult execute(Context context) {
		if(getCommanderList() == null || getCommanderList().size() == 0) {
			return AwardResultUtils.buildErrorResult(DefaultResultCode.SYSTEM_ERROR);
		}
		for(Commander commander : getCommanderList()) {
			AwardResult result = commander.execute(context);
			if(!result.isSuccess()) {
				AwardLogUtils.getAwardLog().warn("DefaultAwardCommanderProcedure.execute() return false|context=" + context + "|awardResult=[" + result + "]");
				return result;
			}
		}
		AwardLogUtils.getAwardLog().warn("DefaultAwardCommanderProcedure.execute() return success|context=[" + context + "]")
		return AwardResultUtils.buildSuccessResult();
	}

	public List<Commander> getCommanderList() {
		return commanderList;
	}
	public void setCommanderList(List<Commander> commanderList) {
		this.commanderList = commanderList;
	}

<!-- 默认抽奖流程 -->
	<bean id="defaultAwardCommanderProcedure" class="com.taobao.wireless.award.biz.forward.biz.procedure.impl.DefaultAwardCommanderProcedure">
		<property name="commanderList"> 
            <list> 
                <ref bean="permissionCommander" />    <!-- 抽奖逻辑 -->
                <ref bean="winCommander" />       <!-- 中奖逻辑 -->
                <ref bean="dispatchCommander" />  <!-- 发奖逻辑 -->
        	</list> 
        </property> 	
	</bean>

public class DefaultCommander implements Commander {

	private List<Processor> processorList;
	@Override
	public AwardResult execute(Context context) {
		if(getProcessorList() == null || getProcessorList().size() == 0) {
			return AwardResultUtils.buildErrorResult(DefaultResultCode.SYSTEM_ERROR);
		}
		for(Processor processor : getProcessorList()) {
			AwardResult result = processor.process(context);
			if(!result.isSuccess()) {
				return result;
			}
		}
		return AwardResultUtils.buildSuccessResult();
	}

	public List<Processor> getProcessorList() {
		return processorList;
	}

	public void setProcessorList(List<Processor> processorList) {
		this.processorList = processorList;
	}

}

<!-- 1、判断抽奖资格 -->
	<bean id="permissionCommander" class="com.taobao.wireless.award.biz.forward.biz.commander.impl.PermissionCommander">
		<property name="processorList">
            <list>
            	<ref bean="checkUserGroupProcessor" />   <!-- 判断人群 -->
            	<ref bean="awardCountingProcessor" />  <!-- 活动抽奖数计数 -->
                <ref bean="checkAndReducePermitPermissionProcessor" />      <!-- 判断是否有抽奖权限，有则减权限 -->
                <ref bean="checkBlacklistPermissionProcessor" />      <!-- 黑名单 -->
                <ref bean="checkWinCountPermissionProcessor" />      <!-- 判断中奖次数限制（如最多只能中3次） -->
        	</list> 
        </property> 
	</bean>
	

public interface Processor {
	/**
	 * 处理逻辑
	 * @param context
	 * @return
	 */
	AwardResult process(Context context);
	
}