Added LazyPostgresqlAdapter

src/LazyPostgresqlAdapter.php

@@ -0,0 +1,156 @@
+<?php
+declare(strict_types=1);
+
+namespace Phramework\Database;
+
+use Phramework\Exceptions\DatabaseException;
+
+/**
+ * @author Xenofon Spafaridis <nohponex@gmail.com>
+ */
+class LazyPostgresqlAdapter implements IAdapter
+{
+    /** @var IAdapter */
+    private $adapter;
+
+    /** @var array */
+    private $settingsDb;
+
+    public function __construct(
+        array $databaseSettings
+    ) {
+        $this->settingsDb = $databaseSettings;
+    }
+
+    /**
+     * @throws DatabaseException
+     */
+    private function getAdapter(): IAdapter
+    {
+        if ($this->adapter === null) {
+            $this->adapter = new PostgreSQL($this->settingsDb);
+        }
+
+        return $this->adapter;
+    }
+
+    public function getAdapterName()
+    {
+        return 'postgresql';
+    }
+
+    public function execute($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->execute(
+                $query,
+                $parameters
+            );
+    }
+
+    public function executeLastInsertId($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->executeLastInsertId(
+                $query,
+                $parameters
+            );
+    }
+
+    public function executeAndFetch($query, $parameters = [], $castModel = null)
+    {
+        return $this
+            ->getAdapter()
+            ->executeAndFetch(
+                $query,
+                $parameters,
+                $castModel
+            );
+    }
+
+    public function executeAndFetchAll($query, $parameters = [], $castModel = null)
+    {
+        return $this
+            ->getAdapter()
+            ->executeAndFetchAll(
+                $query,
+                $parameters,
+                $castModel
+            );
+    }
+
+    public function executeAndFetchArray($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->executeAndFetchArray(
+                $query,
+                $parameters
+            );
+    }
+
+    public function executeAndFetchAllArray($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->executeAndFetchAllArray(
+                $query,
+                $parameters
+            );
+    }
+
+    public function bindExecuteLastInsertId($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->bindExecuteLastInsertId(
+                $query,
+                $parameters
+            );
+    }
+
+    public function bindExecute($query, $parameters = [])
+    {
+        return $this
+            ->getAdapter()
+            ->bindExecute(
+                $query,
+                $parameters
+            );
+    }
+
+    public function bindExecuteAndFetch($query, $parameters = [], $castModel = null)
+    {
+        return $this
+            ->getAdapter()
+            ->bindExecuteAndFetch(
+                $query,
+                $parameters,
+                $castModel
+            );
+    }
+
+    public function bindExecuteAndFetchAll($query, $parameters = [], $castModel = null)
+    {
+        return $this
+            ->getAdapter()
+            ->bindExecuteAndFetchAll(
+                $query,
+                $parameters,
+                $castModel
+            );
+    }
+
+    public function close()
+    {
+        if ($this->adapter !== null) {
+            $this
+                ->adapter
+                ->close();
+        }
+
+        $this->adapter = null;
+    }
+}