/**
* 静态方法, 单例统一访问入口
* @return object 返回对象的唯一实例
*/
public static function getInstance()
{
if (is_null(self::$_instance) || !isset(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* 为searchFile对象生成索引编制对象
* @param string $nodeIds
* @param string $signature
*/
public function createTask($nodeIds, $signature)
{
$miniHost = PluginMiniSearchOption::getInstance()->getMiniyunHost();
$siteId = MiniSiteUtils::getSiteID();
$ids = explode(",", $nodeIds);
//为索引服务器生成索引记录记录
//剔除已生成的索引记录
$nodes = PluginMiniSearchNode::getInstance()->getValidNodeList();
$needCreateTaskNodeIds = array();
foreach ($nodes as $node) {
$existed = false;
$nodeId = $node["id"];
foreach ($ids as $id) {
if ($id == $nodeId) {
$existed = true;
}
}
if (!$existed) {
array_push($needCreateTaskNodeIds, $node["id"]);
}
}
foreach ($needCreateTaskNodeIds as $nodeId) {
$task = SearchBuildTask::model()->find("file_signature=:file_signature and node_id=:node_id", array("file_signature" => $signature, "node_id" => $nodeId));
if (!isset($task)) {
$task = new SearchBuildTask();
$task->file_signature = $signature;
$task->node_id = $nodeId;
$task->status = 0;
$task->save();
}
//向迷你搜索服务器发送编制索引任务
$this->buildTask($miniHost, $siteId, $task);
}
}
/**
* 修改迷你搜索节点状态
* @param string $name 节点名称
* @param string $status 节点状态
* @throws MiniException
*/
public function modifyNodeStatus($name, $status)
{
$node = PluginMiniSearchNode::getInstance()->getNodeByName($name);
if (empty($node)) {
throw new MiniException(100303);
}
if ($status == 1) {
//检查服务器状态，看看是否可以连接迷你搜索服务器
$nodeStatus = PluginMiniSearchNode::getInstance()->checkNodeStatus($node["host"]);
if ($nodeStatus == -1) {
throw new MiniException(100304);
}
}
return PluginMiniSearchNode::getInstance()->modifyNodeStatus($name, $status);
}
/**
* 场景1：检查各个迷你云节点状态
* 使用方式：每隔15秒执行一次
*/
public function actionCheckNodeStatus()
{
PluginMiniSearchNode::getInstance()->checkNodesStatus();
}
