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extend/app_alipay/lotusphp_runtime/Cache/CacheConfigBuilder.php

@@ -0,0 +1,49 @@
+<?php
+class LtCacheConfigBuilder
+{
+	protected $servers = array();
+
+	protected $defaultConfig = array(
+		"adapter"    => "phps",     //apc,xcach,ea; file, phps; memcached
+	//"prefix"     => ""
+	//"host"       => "localhost", //some ip, hostname
+	//"port"       => 3306,
+	);
+
+	public function addSingleHost($hostConfig)
+	{
+		$this->addHost("group_0", "node_0", "master", $hostConfig);
+	}
+
+	public function addHost($groupId, $nodeId = "node_0", $role = "master", $hostConfig)
+	{
+		if (isset($this->servers[$groupId][$nodeId][$role]))
+		{//以相同role的第一个host为默认配置
+			$ref = $this->servers[$groupId][$nodeId][$role][0];
+		}
+		else if ("slave" == $role && isset($this->servers[$groupId][$nodeId]["master"]))
+		{//slave host以master的第一个host为默认配置
+			$ref = $this->servers[$groupId][$nodeId]["master"][0];
+		}
+		else if (isset($this->servers[$groupId]) && count($this->servers[$groupId]))
+		{//以本group第一个node的master第一个host为默认配置
+			$refNode = key($this->servers[$groupId]);
+			$ref = $this->servers[$groupId][$refNode]["master"][0];
+		}
+		else
+		{
+			if (!isset($hostConfig["adapter"]))
+			{
+				trigger_error("No db adapter specified");
+			}
+			$ref = $this->defaultConfig;
+		}
+		$conf = array_merge($ref, $hostConfig);
+		$this->servers[$groupId][$nodeId][$role][] = $conf;
+	}
+
+	public function getServers()
+	{
+		return $this->servers;
+	}
+}