AttributeHandler.java
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package com.dili.titan.handler;
import com.dili.titan.domain.Attribute;
import com.dili.titan.domain.AttributeValue;
import com.dili.titan.domain.RedisKeyConstant;
import com.dili.titan.domain.log.LogHelper;
import com.dili.titan.domain.log.LogTypeEnum;
import com.dili.titan.mq.sender.TopicProducer;
import com.dili.titan.redis.JedisClient;
import com.dili.titan.service.impl.AttributeService;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.map.ObjectMapper;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.util.List;
/**
* <B>Description</B> TODO 属性监控<br />
* <B>Copyright</B> Copyright (c) 2014 www.diligrp.com All rights reserved. <br />
* 本软件源代码版权归地利集团,未经许可不得任意复制与传播.<br />
* <B>Company</B> 地利集团
* @createTime 2014年9月22日 下午2:49:22
* @author yangjianjun
*/
@Component
public class AttributeHandler implements BaseHandler {
private ObjectMapper mapper = new ObjectMapper();
@Resource(name = "attributeService")
private AttributeService attributeService;
@Resource(name = "jedisClient")
private JedisClient jedisClient;
@Resource(name = "topicProducer")
private TopicProducer topicProducer;
@Override
public void handle(String message) throws Exception {
try {
JsonNode node = mapper.readTree(message);
long attrId = node.get("attrId").asLong();
int operType = node.get("oper").asInt();
switch (operType) {
case 1:
add(attrId);
topicProducer.sendMQAttribute(attrId, operType);
break;
case 2:
update(attrId);
topicProducer.sendMQAttribute(attrId, operType);
break;
case 3:
delete(attrId);
topicProducer.sendMQAttribute(attrId, operType);
break;
default:
LogHelper.error(LogTypeEnum.ATTRIBUTE,
"Attribute operType error");
break;
}
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e, "handle error!",
e.getMessage());
throw e;
}
}
/**
* 新增属性
*
* @param attrId
*/
private void add(long attrId) throws Exception {
putAddUpdateAttr(attrId);
putAddUpdateAttrValue(attrId);
}
/**
* 修改属性
*
*/
private void update(long attrId) throws Exception {
putAddUpdateAttr(attrId);
putAddUpdateAttrValue(attrId);
}
private void delete(long attrId) throws Exception {
delAttr(attrId);
delAttrValue(attrId);
}
private void putAddUpdateAttr(long attrId) throws Exception {
try {
Attribute attribute = attributeService.getAttributeById(attrId);
String json = mapper.writeValueAsString(attribute);
jedisClient.hput(RedisKeyConstant.ATTRIBUTE,
String.valueOf(attribute.getAttrId()), json,JedisClient.expireTime);
List<Attribute> attributes = attributeService.getAllAttribute();
for (Attribute a : attributes) {
try {
String jsons = mapper.writeValueAsString(a);
jedisClient.hput(RedisKeyConstant.ATTRIBUTE,
String.valueOf(a.getAttrId()), jsons,JedisClient.expireTime);
putAddUpdateAttrValue(a.getAttrId());
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load attribute error!attrId={}", attrId);
throw e;
}
}
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load addAttr error!attrId={}", attrId);
throw e;
}
}
private void putAddUpdateAttrValue(long attrId) throws Exception {
try {
List<AttributeValue> values = attributeService
.getAttributeValues(attrId);
String json = mapper.writeValueAsString(values);
jedisClient.hput(RedisKeyConstant.ATTR_VALUE, String.valueOf(attrId), json,JedisClient.expireTime);
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load addAttrValue error!attrId={}", attrId);
throw e;
}
}
private void delAttr(long attrId) throws Exception {
try {
jedisClient.hdel(RedisKeyConstant.ATTRIBUTE, String.valueOf(attrId));
putAddUpdateAttr(attrId);
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load delAttr error!attrId={}", attrId);
throw e;
}
}
private void delAttrValue(long attrId) throws Exception {
try {
jedisClient.hdel(RedisKeyConstant.ATTR_VALUE, String.valueOf(attrId));
putAddUpdateAttrValue(attrId);
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load delAttrValue error!attrId={}", attrId);
throw e;
}
}
/**
* 应用启动时自动执行load方法，加载所有的属性信息
*
*/
@PostConstruct
public void load() {
LogHelper.info(LogTypeEnum.ATTRIBUTE, "begin load attribute info");
List<Attribute> attributes = attributeService.getAllAttribute();
for (Attribute a : attributes) {
try {
String json = mapper.writeValueAsString(a);
jedisClient.hput(RedisKeyConstant.ATTRIBUTE, String.valueOf(a.getAttrId()),
json,JedisClient.expireTime);
putAddUpdateAttrValue(a.getAttrId());
} catch (Exception e) {
LogHelper.error(LogTypeEnum.ATTRIBUTE, e,
"load attribute error!attrId={}", a.getAttrId());
}
}
LogHelper.info(LogTypeEnum.ATTRIBUTE, "load attribute info done");
}
}