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2022-11-23 1e7b3abd15d37f6c6bc97ac14922457b9604c275

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package com.mm.android.deviceaddmodule.mobilecommon.entity; 
 
import java.io.Serializable; 
import java.util.Hashtable; 
import java.util.UUID; 
 
 
/** 
 * 文件描述：实体基类，支持克隆、序列化 
 */ 
 
public class DataInfo implements Cloneable, Serializable  { 
     
    /** 
     *  
     */ 
    private static final long serialVersionUID = 1L; 
    protected String uuid = UUID.randomUUID().toString();       // 对象唯一标示 
    public Hashtable<String, Object> getExtandAttributeTable() { 
        if(extandAttributeTable == null){ 
            extandAttributeTable = new Hashtable<>(); 
        } 
        return extandAttributeTable; 
    } 
    protected Hashtable<String, Object> extandAttributeTable = null; // 扩展属性列表 
     
 
    // 获得扩展属性值 
    public Object getExtandAttributeValue(String name) 
    { 
        if (extandAttributeTable == null 
            || !extandAttributeTable.containsKey(name)) 
        { 
            return null; 
        } 
         
        return extandAttributeTable.get(name); 
    } 
     
    // 设置扩展属性 
    public void setExtandAttributeValue(String name, Object value) 
    { 
        if (extandAttributeTable == null) 
        { 
            extandAttributeTable = new Hashtable<>(); 
        } 
        if(value != null){ 
            extandAttributeTable.put(name, value); 
        } 
    } 
 
    public String getUuid() { 
        return uuid; 
    } 
     
    @Override 
    public String toString() { 
        return uuid; 
    } 
     
     
    @Override 
    protected Object clone() throws CloneNotSupportedException 
    { 
        DataInfo dataInfo = null; 
         
        dataInfo = (DataInfo) super.clone(); 
         
        if (extandAttributeTable != null) { 
            dataInfo.extandAttributeTable = new Hashtable<>(); 
            dataInfo.extandAttributeTable.putAll(extandAttributeTable); 
             
        } 
         
        return dataInfo; 
    } 
     
}