com.alibaba.qlexpress4.runtime.data.ListItemValue Maven / Gradle / Ivy

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package com.alibaba.qlexpress4.runtime.data;

import com.alibaba.qlexpress4.runtime.LeftValue;

import java.util.List;

/**
 * Author: DQinYuan
 */
public class ListItemValue implements LeftValue {

    private final List list;

    private final int index;

    public ListItemValue(List list, int index) {
        this.list = list;
        this.index = index;
    }

    @Override
    public void setInner(Object newValue) {
        list.set(index, newValue);
    }

    @Override
    public String getSymbolName() {
        return null;
    }

    @Override
    public Object get() {
        return list.get(index);
    }

    @Override
    public Class getDefinedType() {
        return Object.class;
    }
}