记录一简单solr操作类
2017-04-01
阅读数：298
solr的php使用有一个比较官方的扩展，百度搜一下会有，使用方法也给出来了，但是本人硬是搞了许久没用起来，所以索性就自己写了一个，功能不多，够自己用，用起来方便。之所以有写这个操作类的想法，是因为solr服务的所有数据访问都可以通过http请求的方式模拟出来，此操作类就是通过组装一条http请求，进而实现操作solr里的数据。操作类目前可以对solr执行新增，修改，查询三种操作，删除操作刚开始考虑到错删的情况所以没加，删除操作个人推荐还是到solr的控制台进行操作，先查询，确认数据，再删，不至于搞错，毕竟数据都是命啊……
配置文件格式：
<?php
class Conf {
public static $solr_handle = array(
'product' => array('collection' => 'product', 'server' => '192.168.2.220:8983', 'pk' => 'StoreProductId'),
'bproduct' => array('collection' => 'bproduct', 'server' => '192.168.2.220:8983', 'pk' => 'ProductId'),
'pproduct' => array('collection' => 'pproduct', 'server' => '192.168.2.220:8983', 'pk' => 'PStoreProductId'),
'order' => array('collection' => 'order', 'server' => '192.168.2.220:8983', 'pk' => 'OrderID'),
);
}操作类实现：
<?php
namespace lib;
class Solr {
private $where = 'q=*:*';
private $collection;
private $action;
private $wt = 'json'; //返回格式
private $httpClient;
private $host;
private $method;
private $data = array();
private $body = array();
private $contentType = '';
private $pk;
private $fields = '';
private $limit = '&rows=1000&start=0';
private $sort = '';
public $errorMsg = '';
private $sql;
public function __construct($collection) {
if (!$collection) {
throw new \Exception("不合法的collection名称");
}
if (!in_array($collection, array_keys(\Conf::$solr_handle))) {
throw new \Exception("未配置的collection名称");
}
$this->getNode($collection);
$this->pk = \Conf::$solr_handle[$collection]['pk'];
$this->collection = \Conf::$solr_handle[$collection]['collection'];
$this->httpClient = new \Client();
}
private function getNode($collection) {
$zookeeper = new \MyZookeeper(\Conf::$solrzookeeper);
$liveNodes = $zookeeper->getChildren('/live_nodes');
if (!$liveNodes) {
throw new \Exception("没有存活的solr节点,请确认zookeeper的solr节点配置项/live_nodes信息");
}
$num = rand(0, count($liveNodes) - 1);
//若从zookeeper中没有找到存活的solr节点，则使用配置文件中的host
$this->host = explode("_", $liveNodes[$num])[0] ? : \Conf::$solr_handle[$collection]['server'];
}
public function where($column, $op, $value) {
$this->where = trim($this->where, "q=");
$this->where = trim($this->where, "q=*:*");
switch ($op) {
case '=':
$this->where .= '+AND+' . $column . ':' . $value;
$this->where = trim($this->where, "+AND+");
break;
case 'in':
$inValue = explode(",", $value);
$this->where .= '+AND+(';
foreach ($inValue as $v) {
$this->where .= $column . ':' . trim($v) . '+OR+';
}
$this->where = trim($this->where, "+OR+");
$this->where .= ')';
break;
case '>':
$this->where .= '+AND+' . $column . ':{' . $value . '+TO+*}';
$this->where = trim($this->where, "+AND+");
break;
case '<':
$this->where .= '+AND+' . $column . ':{*+TO+' . $value . '}';
$this->where = trim($this->where, "+AND+");
break;
case '>=':
$this->where .= '+AND+' . $column . ':[' . $value . '+TO+*]';
$this->where = trim($this->where, "+AND+");
break;
case '<=':
$this->where .= '+AND+' . $column . ':[*+TO+' . $value . ']';
$this->where = trim($this->where, "+AND+");
break;
case 'like':
$this->where .= '+AND+' . $column . ':*' . $value . '*+';
$this->where = trim($this->where, "+AND+");
break;
case 'between':
$between = explode(",", urldecode($value));
$this->where .= '+AND+' . $column . ':[' . ($between[0] ? : '*') . '+TO+' . ($between[1]? : '*') . ']';
$this->where = trim($this->where, "+AND+");
break;
}
$this->where = trim($this->where, "AND+");
$this->where = 'q=' . $this->where;
return $this;
}
public function sort($sort, $type = 'ASC') {
$this->sort = '&sort=' . $sort . '+' . $type;
return $this;
}
public function fields($fields) {
if (!$fields) {
return $this;
}
$this->fields = '&fl=' . $fields;
return $this;
}
public function limit($rows, $start = 0) {
if (!$rows) {
return $this;
}
$this->limit = '&rows=' . (int) $rows . '&start=' . $start;
return $this;
}
public function query() {
$this->action = 'select';
$this->method = 'get';
$this->queryPrepare();
return $this->request();
}
private function queryPrepare() {
$this->data = array();
}
public function add($data) {
if (is_array(reset($data))) {
foreach ($data as &$v) {
if (!isset($v[$this->pk])) {
throw new \Exception("没有找到主键");
}
$v['AddTime'] = date('Y-m-d H:i:s');
}
$this->data = json_encode($data);
} else {
if (!isset($data[$this->pk])) {
throw new \Exception("没有找到主键");
}
$data['AddTime'] = date('Y-m-d H:i:s');
$this->data = json_encode(array($data));
}
$this->action = 'update';
$this->method = 'post';
$this->contentType = 'application/json';
return $this->request();
}
public function update($data) {
if (!$data) {
throw new \Exception("缺少需要更新的数据");
}
if ($this->where != 'q=*:*') {//带条件的更新操作
$this->getUpdateData($data);
} else {
$this->getData($data);
}
$this->action = 'update';
$this->method = 'post';
$this->contentType = 'application/json';
return $this->request();
}
public function setQ($q) {
if (!$q) {
throw new \Exception('缺少查询条件');
}
$this->where = 'q=' . $q;
return $this;
}
/**
* 含有查询条件的更新
* @param type $data
* @return type
*/
private function getUpdateData(&$data) {
$result = $this->fields($this->pk)->query();
if (!$result['numFound']) {
$this->data = json_encode(array());
return;
}
$selfArr = array();
if (isset($data[$this->pk])) {
unset($data[$this->pk]);
}
foreach ($data as $key => $value) {
$selfArr[$key] = array('set' => $value);
}
foreach ($result['docs'] as $k => $v) {
$this->data[$k] = array_merge($selfArr, array(
$this->pk => $v[$this->pk],
'UpdateTime' => array('set' => date('Y-m-d H:i:s')
)));
}
$this->data = json_encode($this->data);
}
private function getData(&$data) {
if (is_array($data[0])) {
foreach ($data as $k => $v) {
if (!in_array($this->pk, array_keys($v))) {
throw new \Exception("没有找到主键");
}
foreach ($v as $kk => $vv) {
$this->data[$k][$kk] = $kk == $this->pk ? $vv : array('set' => $vv);
}
$this->data[$k]['UpdateTime'] = array('set' => date('Y-m-d H:i:s'));
}
} else {
if (!in_array($this->pk, array_keys($data))) {
throw new \Exception("没有找到主键");
}
foreach ($data as $k => $v) {
$this->data[0][$k] = $k == $this->pk ? $v : array('set' => $v);
}
$this->data[0]['UpdateTime'] = array('set' => date('Y-m-d H:i:s'));
}
$this->data = json_encode($this->data);
}
public function delete() {
$this->request();
}
public function getSql() {
return $this->sql;
}
public function getBody() {
return $this->body;
}
private function reset() {
$this->body = $this->data;
$this->data = array();
$this->where = 'q=*:*';
$this->fields = '';
$this->limit = '&rows=1000&start=0';
$this->sort = '';
}
public function request() {
$this->sql = 'http://' . $this->host . '/solr/' . $this->collection . '/' . $this->action . '?' . $this->where . $this->fields . $this->sort . $this->limit . '&wt=' . $this->wt;
$result = json_decode($this->httpClient->singleRequest($this->sql, $this->method, $this->data, '', $this->contentType), true);
$this->reset();
if ($result['responseHeader']['status'] !== 0) {
throw new \Exception($result['error']['msg'] . "\n" . 'sql:' . $this->sql . "\n");
}
if ($this->action == 'select') {
return $result['response'];
}
return true;
}
}操作类支持solr集群模式的使用，因为solr集群本身会借助zookeeper，所以solr集群的各节点状态可以在zookeeper上读取到，其中涉及到的zookeeper扩展的使用可以参考我的博文http://blog.dongguagua.com/Index/detail/Id/16.html
本文中涉及到一个Client类的使用，该类为curl的操作类，用来模拟发送http请求的，读者可以将自己用的http类替换，或者直接用file_get_contents()(不推荐)，以下附上该操作类。
<?php
/**
* Description of Rest
*
* @author polaris
*/
class Client {
private $options = array(
'timeout' => 2,
'connecttimeout' => 3,
);
public function __construct() {
$this->options['timeout'] = Conf::$request_time_out ? : 2;
$this->options['connecttimeout'] = Conf::$connect_time_out ? : 3;
}
/**
* 向一个url发起请求
*
* @param string $url 请求的url地址
* @param string $method 请求的http方法
* @param array $data 请求携带的参数
* @return mixed
*/
public function singleRequest($url, $method = 'get', $data = array(), $type = 'fields', $content_type = '') {
$curl_handle = curl_init();
$method = strtoupper($method);
if (is_array($data)) {
$data = http_build_query($data);
}
if ($method == 'GET' && !empty($data)) {
$url .= stripos($url, '?') > 0 ? '&' . $data : '?' . $data;
}
curl_setopt($curl_handle, CURLOPT_URL, $url);
curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curl_handle, CURLOPT_TIMEOUT, $this->options['timeout']);
curl_setopt($curl_handle, CURLOPT_CUSTOMREQUEST, $method);
curl_setopt($curl_handle, CURLOPT_HEADER, 0);
curl_setopt($curl_handle, CURLOPT_ENCODING, 'gzip,deflate');
if (!empty($content_type)) {
curl_setopt($curl_handle, CURLOPT_HTTPHEADER, array('Content-Type:' . $content_type));
}
if ($method != 'GET') {
curl_setopt($curl_handle, CURLOPT_POST, true);
curl_setopt($curl_handle, CURLOPT_POSTFIELDS, $data);
}
$buffer = curl_exec($curl_handle);
curl_close($curl_handle);
return $buffer;
}
}
?> 差不多就这些，希望对刚接触solr的php开发者有些帮助。
本文是博主个人原创，转载的朋友请注明地址，不胜感激：http://blog.dongguagua.com/Index/detail/Id/14.html
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