Initial xentral_oss_20.3.c9ffacf

classes/Components/SchemaCreator/Collection/IndexCollection.php

@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Xentral\Components\SchemaCreator\Collection;
+
+use ArrayIterator;
+use IteratorAggregate;
+use Xentral\Components\SchemaCreator\Exception\SchemaCreatorInvalidArgumentException;
+use Xentral\Components\SchemaCreator\Interfaces\PrimaryKeyInterface;
+use Xentral\Components\SchemaCreator\Interfaces\IndexInterface;
+
+final class IndexCollection implements IteratorAggregate
+{
+
+    /** @var array|IndexInterface[]  */
+    private $values = [];
+
+    /**
+     * @param array $values
+     */
+    public function __construct(array $values = [])
+    {
+        foreach ($values as $value) {
+            $this->add($value);
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    public function hasPrimaryKey(): bool
+    {
+        foreach ($this->values as $configuredKeys) {
+            if ($configuredKeys instanceof PrimaryKeyInterface) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * @param string $key
+     *
+     * @return bool
+     */
+    public function hasIndex(string $key): bool
+    {
+        /** @var IndexInterface $configuredKeys */
+        foreach ($this->values as $configuredKeys) {
+            if ($key === $configuredKeys->getName()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * @param IndexInterface $key
+     *
+     * @return void
+     */
+    public function add(IndexInterface $key): void
+    {
+        if ($this->hasIndex($key->getName()) === true) {
+            throw new SchemaCreatorInvalidArgumentException(
+                sprintf('Key name `%s` already added', $key->getName())
+            );
+        }
+
+        $this->values[] = $key;
+    }
+
+    /**
+     * @return array
+     */
+    public function getIndexNames(): array
+    {
+        $indexes = [];
+        foreach ($this->values as $index) {
+            $indexes[] = $index instanceof PrimaryKeyInterface ? 'PRIMARY' : $index->getName();
+        }
+
+        return $indexes;
+    }
+
+    /**
+     * @return ArrayIterator|IndexInterface[]
+     */
+    public function getIterator()
+    {
+        return new ArrayIterator($this->values);
+    }
+}