• Home
• com.github.liuyehcf
• common-tools
• 1.0.11
• source code
• SplitUtils.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

com.github.liuyehcf.framework.common.tools.collection.SplitUtils Maven / Gradle / Ivy

package com.github.liuyehcf.framework.common.tools.collection;

import com.github.liuyehcf.framework.common.tools.asserts.Assert;
import com.google.common.collect.Lists;

import java.util.List;

/**
 * @author hechenfeng
 * @date 2019/9/15
 */
public abstract class SplitUtils {

    public static  List> split(List list, int segmentSize) {
        Assert.assertNotNull(list);
        Assert.assertTrue(segmentSize > 0);

        final List> segments = Lists.newArrayList();

        int left = 0, right = Math.min(segmentSize, list.size());

        while (right < list.size()) {
            final List segment = Lists.newArrayList(list.subList(left, right));

            left = right;

            if (right + segmentSize < list.size()) {
                right += segmentSize;
            } else {
                right = list.size();
            }

            segments.add(segment);
        }

        segments.add(Lists.newArrayList(list.subList(left, right)));

        return segments;
    }
}