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package com.yoloho.schedule.extension.task;

import java.util.Comparator;
import java.util.List;

import com.yoloho.schedule.interfaces.IScheduleTaskDealSingle;
import com.yoloho.schedule.types.TaskItem;

/**
 * 任务的抽象类，提供以redis为队列的简单抽象
 * 
 * @author jason
 *
 */
public abstract class AbstractRedisQueueSingleTask extends AbstractRedisQueueTask
        implements IScheduleTaskDealSingle {
    
    @Override
    public List selectTasks(String taskParameter, String ownSign, int taskItemNum, List taskItemList,
            int eachFetchDataNum) throws Exception {
        return getTaskList(eachFetchDataNum);
    }
    
    protected abstract boolean processItem(T item);
    
    @Override
    public boolean execute(T item, String ownSign) throws Exception {
        return processItem(item);
    }
    
    @Override
    public Comparator getComparator() {
        return null;
    }

}