Version 1

[yaffs-website] / web / core / lib / Drupal / Core / Entity / Query / ConditionFundamentals.php

diff --git a/web/core/lib/Drupal/Core/Entity/Query/ConditionFundamentals.php b/web/core/lib/Drupal/Core/Entity/Query/ConditionFundamentals.php
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+++ b/web/core/lib/Drupal/Core/Entity/Query/ConditionFundamentals.php
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+<?php
+
+namespace Drupal\Core\Entity\Query;
+
+/**
+ * Common code for all implementations of the entity query condition interfaces.
+ */
+abstract class ConditionFundamentals {
+
+  /**
+   * Array of conditions.
+   *
+   * @var array
+   */
+  protected $conditions = [];
+
+  /**
+   * The conjunction of this condition group. The value is one of the following:
+   *
+   * - AND (default)
+   * - OR
+   *
+   * @var string
+   */
+  protected $conjunction;
+
+  /**
+   * The query this condition belongs to.
+   *
+   * @var \Drupal\Core\Entity\Query\QueryInterface
+   */
+  protected $query;
+
+  /**
+   * List of potential namespaces of the classes belonging to this condition.
+   *
+   * @var array
+   */
+  protected $namespaces = [];
+
+  /**
+   * Constructs a Condition object.
+   *
+   * @param string $conjunction
+   *   The operator to use to combine conditions: 'AND' or 'OR'.
+   * @param QueryInterface $query
+   *   The entity query this condition belongs to.
+   * @param array $namespaces
+   *   List of potential namespaces of the classes belonging to this condition.
+   */
+  public function __construct($conjunction, QueryInterface $query, $namespaces = []) {
+    $this->conjunction = $conjunction;
+    $this->query = $query;
+    $this->namespaces = $namespaces;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConjunction() {
+    return $this->conjunction;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function count() {
+    return count($this->conditions) - 1;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function &conditions() {
+    return $this->conditions;
+  }
+
+  /**
+   * Implements the magic __clone function.
+   *
+   * Makes sure condition groups are cloned as well.
+   */
+  public function __clone() {
+    foreach ($this->conditions as $key => $condition) {
+      if ($condition['field'] instanceof ConditionInterface) {
+        $this->conditions[$key]['field'] = clone($condition['field']);
+      }
+    }
+  }
+
+}