/**
* @Title:putAllDataToCache @Type:FlowCache
*
* @description:query all flows from DB, put to the cache
* @date:2014-5-5 下午7:52:04
* @version:v1.0
*/
public void putAllDataToCache() {
List<Flow> allFlows = new FlowAccessSessionMySQL().queryAllFlow();
EhcacheHandler ehcacheHandler = EhcacheHandler.getInstance();
for (Flow flow : allFlows) {
ehcacheHandler.set(EhcacheHandler.FOREVER_CACHE, flow.getId().getValue(), flow);
}
setAll(allFlows);
}
/**
* @Title:getAll @Type:FlowCache
*
* @description:get all flows from cache
* @date:2014-5-5 下午7:51:32
* @version:v1.0
* @return:all flows
*/
@SuppressWarnings("unchecked")
public Vector<Flow> getAll() {
Object allFlow = EhcacheHandler.getInstance().get(EhcacheHandler.FOREVER_CACHE, "allFlow");
if (allFlow != null) {
return (Vector<Flow>) allFlow;
} else {
logger.info("all flow is not in cache");
Vector<Flow> allFlowList = new FlowAccessSessionMySQL().queryAllFlow();
EhcacheHandler.getInstance()
.set(EhcacheHandler.FOREVER_CACHE, EhcacheHandler.FOREVER_CACHE, allFlowList);
return allFlowList;
}
}
/**
* (non-Javadoc)
*
* <p>Title:get
*
* @param id
* @return
* @see com.sogou.qadev.cache.Cache#get(java.lang.String)
*/
public Flow get(String id) {
Flow tmp = null;
Object flow = EhcacheHandler.getInstance().get(EhcacheHandler.FOREVER_CACHE, id);
if (flow != null) {
if (flow instanceof Flow) {
tmp = (Flow) flow;
}
} else {
tmp =
new FlowAccessSessionMySQL()
.queryFlowById(DataAccessFactory.getInstance().createUUID(id));
if (tmp != null) {
EhcacheHandler.getInstance().set(EhcacheHandler.FOREVER_CACHE, tmp.getId().getValue(), tmp);
}
}
if (tmp == null) {
logger.info("flow id : " + id + " is not in cache");
}
return tmp;
}
/**
* (non-Javadoc)
*
* <p>Title:remove
*
* <p>Description:remove flows from cache by uuids
*
* @param uuids
* @see com.sogou.qadev.cache.Cache#remove(com.sogou.qadev.service.cynthia.bean.UUID[])
*/
public void remove(UUID[] uuids) {
for (UUID uuid : uuids) {
EhcacheHandler.getInstance().delete(EhcacheHandler.FOREVER_CACHE, uuid.getValue());
}
List<UUID> deleteFlowList = Arrays.asList(uuids);
List<Flow> allFlows = getAll();
Iterator<Flow> it = allFlows.iterator();
while (it.hasNext()) {
if (deleteFlowList.contains(it.next().getId())) {
it.remove();
}
}
setAll(allFlows);
}
/**
* (non-Javadoc)
*
* <p>Title:set
*
* @param key
* @param value
* @see com.sogou.qadev.cache.Cache#set(java.lang.String, java.lang.Object)
*/
@Override
public void set(String key, Object value) {
if (value == null) {
return;
}
EhcacheHandler.getInstance().set(EhcacheHandler.FOREVER_CACHE, key, value);
Vector<Flow> allFlows = getAll();
Iterator<Flow> it = allFlows.iterator();
while (it.hasNext()) {
if (it.next().getId().getValue().equals(((Flow) value).getId().getValue())) {
it.remove();
}
}
allFlows.add(0, (Flow) value); // 刚插入放在第一位
setAll(allFlows);
}
/**
* @description:remove cache by key
* @date:2014-5-6 下午5:10:31
* @version:v1.0
* @param key
*/
private void remove(String key) {
EhcacheHandler.getInstance().delete(EhcacheHandler.FOREVER_CACHE, key);
}
private void setAll(List<Flow> allFlows) {
EhcacheHandler.getInstance().set(EhcacheHandler.FOREVER_CACHE, "allFlow", allFlows);
}
