Add Entity-Attribute-Value (EAV) pattern

More/EAV/Entity.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace DesignPatterns\More\EAV;
+
+/**
+ * Class Entity
+ */
+class Entity implements ValueInterface
+{
+    /**
+     * @var Value[]|ValueInterface[]|array
+     */
+    private $values = [];
+
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @return Value[]|ValueInterface[]|array
+     */
+    public function getValues()
+    {
+        return $this->values;
+    }
+
+    /**
+     * @param Value|ValueInterface $value
+     * @return $this
+     */
+    public function addValue(ValueInterface $value)
+    {
+        // @TODO I think the $value should be checked for uniqueness first to avoid duplication in array.
+        $this->values[] = $value;
+
+        return $this;
+    }
+
+    /**
+     * @param Value|ValueInterface $value
+     * @return $this
+     */
+    public function removeValue(ValueInterface $value)
+    {
+        if ($key = array_search($value, $this->values, true)) {
+            unset($this->values[$key]);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     * @return $this
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+}