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extend/app_alipay/lotusphp_runtime/Cache/Cache.php

@@ -0,0 +1,76 @@
+<?php
+class LtCache
+{
+	public $configHandle;
+
+	public $group;
+	public $node;
+
+	protected $ch;
+
+	public function __construct()
+	{
+		if (! $this->configHandle instanceof LtConfig)
+		{
+			if (class_exists("LtObjectUtil", false))
+			{
+				$this->configHandle = LtObjectUtil::singleton("LtConfig");
+			}
+			else
+			{
+				$this->configHandle = new LtConfig;
+			}
+		}
+	}
+
+	public function init()
+	{
+		$this->ch = new LtCacheHandle;
+		$this->ch->configHandle = $this->configHandle;
+		$this->ch->init();
+		$this->ch->group = $this->getGroup();
+		$this->ch->node = $this->getNode();
+	}
+
+	public function getTDG($tableName)
+	{
+		$tdg = new LtCacheTableDataGateway;
+		$tdg->tableName = $tableName;
+		$tdg->ch = $this->ch;
+		return $tdg;
+	}
+
+	public function changeNode($node)
+	{
+		$this->node = $node;
+		$this->dbh->node = $node;
+	}
+
+	protected function getGroup()
+	{
+		if ($this->group)
+		{
+			return $this->group;
+		}
+		$servers = $this->configHandle->get("cache.servers");
+		if (1 == count($servers))
+		{
+			return key($servers);
+		}
+		return false;
+	}
+
+	protected function getNode()
+	{
+		if ($this->node)
+		{
+			return $this->node;
+		}
+		$servers = $this->configHandle->get("cache.servers");
+		if (1 == count($servers[$this->getGroup()]))
+		{
+			return key($servers[$this->getGroup()]);
+		}
+		return false;
+	}
+}