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extend/app_alipay/lotusphp_runtime/Cache/Adapter/CacheAdapterFile.php

@@ -0,0 +1,68 @@
+<?php
+class LtCacheAdapterFile implements LtCacheAdapter
+{
+	public function connect($hostConf)
+	{
+		$fileStore = new LtStoreFile;
+		$fileStore->prefix = 'LtCache-file';
+		$fileStore->useSerialize = true;
+		$fileStore->init();
+		return $fileStore;
+	}
+
+	public function add($key, $value, $ttl = 0, $tableName, $connectionResource)
+	{
+		if (0 != $ttl)
+		{
+			$ttl += time();
+		}
+		if (true == $connectionResource->add($this->getRealKey($tableName, $key), array("ttl" => $ttl, "value" => $value)))
+		{
+			return true;
+		}
+		else
+		{
+			if ($this->get($key,$tableName,$connectionResource))
+			{
+				return false;
+			}
+			else
+			{
+				$this->del($key,$tableName,$connectionResource);
+				return $connectionResource->add($this->getRealKey($tableName, $key), array("ttl" => $ttl, "value" => $value));
+			}
+		}
+	}
+
+	public function del($key, $tableName, $connectionResource)
+	{
+		return $connectionResource->del($this->getRealKey($tableName, $key));
+	}
+
+	public function get($key, $tableName, $connectionResource)
+	{
+		$cachedArray = $connectionResource->get($this->getRealKey($tableName, $key));
+		if (is_array($cachedArray) && (0 == $cachedArray["ttl"] || $cachedArray["ttl"] > time()))
+		{
+			return $cachedArray["value"];
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	public function update($key, $value, $ttl = 0, $tableName, $connectionResource)
+	{
+		if (0 != $ttl)
+		{
+			$ttl += time();
+		}
+		return $connectionResource->update($this->getRealKey($tableName, $key), array("ttl" => $ttl, "value" => $value));
+	}
+
+	protected function getRealKey($tableName, $key)
+	{
+		return $tableName . "-" . $key;
+	}
+}