package com.walker.infrastructure.utils;
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/**
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* 描述：能显示key、value的对象定义
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* @author 时克英
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* @date 2017年6月13日 下午4:11:13
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*/
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public class KeyValue<k,v> {
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private static final String PREFIX = "＋";
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private k key;
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private v value;
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private int level = 0;
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private String levelPrefix;
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public String getLevelPrefix() {
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return levelPrefix;
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}
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/**
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* 对于树节点，该值代表处于那一层次级别
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* @return
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*/
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public int getLevel() {
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return level;
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}
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public void setLevel(int level) {
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this.level = level;
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if(level > 0){
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StringBuilder sb = new StringBuilder(4);
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for(int i=0; i<level; i++){
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sb.append(PREFIX);
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}
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levelPrefix = sb.toString();
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}
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}
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public KeyValue(){}
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public KeyValue(k key, v value){
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this.key = key;
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this.value = value;
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}
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public k getKey() {
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return key;
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}
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public void setKey(k key) {
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this.key = key;
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}
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public v getValue() {
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return value;
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}
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public void setValue(v value) {
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this.value = value;
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}
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@Override
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public int hashCode(){
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return key.hashCode();
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}
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@Override
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public String toString(){
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return new StringBuilder("[ key=").append(key).append(", value=").append(value)
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.append("]").toString();
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}
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// 该方法由具体类型实现
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// public boolean equals(Object kv){
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// if(kv == null){
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// return false;
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// }
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// if(kv instanceof KeyValue){
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// KeyValue obj = (KeyValue)kv;
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// if(obj.key.){
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//
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// }
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// }
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// }
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}
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