java拓展集合工具类CollectionUtils

拓展集合工具类CollectionUtils，供大家参考，具体内容如下

package com.demo.utils;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.demo.bean.EmployeeEntity;

/**
 * 
 * 
自定义集合工具类拓展常用方法
 * @autho 董杨炀
 * @time 2017-4-10 上午11:33:36
 */
public class CollectionUtils extends org.apache.commons.collections.CollectionUtils {

 private static final Logger LOGGER = LoggerFactory.getLogger(CollectionUtils.class);

 private static final int DEFAULT_SIZE = 1000;

 /**
  * 
  * 
拆分List为固定大小的多个集合
  * 
推荐使用
  * 
返回集合的size越小,此方法性能越高
  * @param baseList
  * @param size
  * @return ArrayList
  * @autho 董杨炀
  * @time 2017-4-10 上午11:30:43
  */
 @SuppressWarnings("unchecked")
 public static  List> fastSplitList(List baseList, int size) {
  if (baseList == null || baseList.size() == 0) {
   return null;
  }
  if (size <= 0) {
   size = DEFAULT_SIZE;
  }
  int arrSize = baseList.size() % size == 0 ? baseList.size() / size : baseList.size() / size + 1;
  List> resultList = new ArrayList>();
  for (int i = 0; i < arrSize; i++) {
   if (arrSize - 1 == i) {
    resultList.add((List) new ArrayList