the whole shebang

vendor/doctrine/common/lib/Doctrine/Common/Persistence/Event/PreUpdateEventArgs.php

@@ -0,0 +1,138 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Persistence\Event;
+
+use Doctrine\Common\EventArgs;
+use Doctrine\Common\Persistence\ObjectManager;
+
+/**
+ * Class that holds event arguments for a preUpdate event.
+ *
+ * @author Guilherme Blanco <guilehrmeblanco@hotmail.com>
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ * @since  2.2
+ */
+class PreUpdateEventArgs extends LifecycleEventArgs
+{
+    /**
+     * @var array
+     */
+    private $entityChangeSet;
+
+    /**
+     * Constructor.
+     *
+     * @param object        $entity
+     * @param ObjectManager $objectManager
+     * @param array         $changeSet
+     */
+    public function __construct($entity, ObjectManager $objectManager, array &$changeSet)
+    {
+        parent::__construct($entity, $objectManager);
+
+        $this->entityChangeSet = &$changeSet;
+    }
+
+    /**
+     * Retrieves the entity changeset.
+     *
+     * @return array
+     */
+    public function getEntityChangeSet()
+    {
+        return $this->entityChangeSet;
+    }
+
+    /**
+     * Checks if field has a changeset.
+     *
+     * @param string $field
+     *
+     * @return boolean
+     */
+    public function hasChangedField($field)
+    {
+        return isset($this->entityChangeSet[$field]);
+    }
+
+    /**
+     * Gets the old value of the changeset of the changed field.
+     *
+     * @param string $field
+     *
+     * @return mixed
+     */
+    public function getOldValue($field)
+    {
+        $this->assertValidField($field);
+
+        return $this->entityChangeSet[$field][0];
+    }
+
+    /**
+     * Gets the new value of the changeset of the changed field.
+     *
+     * @param string $field
+     *
+     * @return mixed
+     */
+    public function getNewValue($field)
+    {
+        $this->assertValidField($field);
+
+        return $this->entityChangeSet[$field][1];
+    }
+
+    /**
+     * Sets the new value of this field.
+     *
+     * @param string $field
+     * @param mixed  $value
+     *
+     * @return void
+     */
+    public function setNewValue($field, $value)
+    {
+        $this->assertValidField($field);
+
+        $this->entityChangeSet[$field][1] = $value;
+    }
+
+    /**
+     * Asserts the field exists in changeset.
+     *
+     * @param string $field
+     *
+     * @return void
+     *
+     * @throws \InvalidArgumentException
+     */
+    private function assertValidField($field)
+    {
+        if ( ! isset($this->entityChangeSet[$field])) {
+            throw new \InvalidArgumentException(sprintf(
+                'Field "%s" is not a valid field of the entity "%s" in PreUpdateEventArgs.',
+                $field,
+                get_class($this->getEntity())
+            ));
+        }
+    }
+}