Convert monolithic one-file-lib to a proper PSR-0 file tree

lib/Predis/Network/ConnectionBase.php

@@ -0,0 +1,90 @@
+<?php
+
+namespace Predis\Network;
+
+use Predis\Utils;
+use Predis\ICommand;
+use Predis\ConnectionParameters;
+use Predis\CommunicationException;
+use Predis\Protocols\IRedisProtocol;
+
+abstract class ConnectionBase implements IConnectionSingle {
+    private $_cachedId;
+    protected $_params, $_socket, $_initCmds, $_protocol;
+
+    public function __construct(ConnectionParameters $parameters, IRedisProtocol $protocol) {
+        $this->_initCmds = array();
+        $this->_params   = $parameters;
+        $this->_protocol = $protocol;
+    }
+
+    public function __destruct() {
+        $this->disconnect();
+    }
+
+    public function isConnected() {
+        return is_resource($this->_socket);
+    }
+
+    protected abstract function createResource();
+
+    public function connect() {
+        if ($this->isConnected()) {
+            throw new ClientException('Connection already estabilished');
+        }
+        $this->createResource();
+    }
+
+    public function disconnect() {
+        if ($this->isConnected()) {
+            fclose($this->_socket);
+        }
+    }
+
+    public function pushInitCommand(ICommand $command){
+        $this->_initCmds[] = $command;
+    }
+
+    public function executeCommand(ICommand $command) {
+        $this->writeCommand($command);
+        if ($command->closesConnection()) {
+            return $this->disconnect();
+        }
+        return $this->readResponse($command);
+    }
+
+    protected function onCommunicationException($message, $code = null) {
+        Utils::onCommunicationException(
+            new CommunicationException($this, $message, $code)
+        );
+    }
+
+    public function getResource() {
+        if (!$this->isConnected()) {
+            $this->connect();
+        }
+        return $this->_socket;
+    }
+
+    public function getParameters() {
+        return $this->_params;
+    }
+
+    public function getProtocol() {
+        return $this->_protocol;
+    }
+
+    public function setProtocol(IRedisProtocol $protocol) {
+        if ($protocol === null) {
+            throw new \InvalidArgumentException("The protocol instance cannot be a null value");
+        }
+        $this->_protocol = $protocol;
+    }
+
+    public function __toString() {
+        if (!isset($this->_cachedId)) {
+            $this->_cachedId = "{$this->_params->host}:{$this->_params->port}";
+        }
+        return $this->_cachedId;
+    }
+}