Validator result interface proposal

src/ResultInterface.php

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+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Validator;
+
+/**
+ * This interface provide methods for to know the result of a validation and the reasons when the result is not valid
+ *
+ * This interface resolve the following questions:
+ *    - Is the result valid or invalid?
+ *    - If not, Why is not valid?
+ */
+interface ResultInterface
+{
+    /**
+     * Is the validation result valid?
+     *
+     * @return bool
+     */
+    public function isValid();
+
+    /**
+     * Is the validation result invalid?
+     *
+     * @return bool
+     */
+    public function isNotValid();
+
+    /**
+     * Returns the list of error violations in a machine readable format.
+     *
+     * @return array
+     */
+    public function getErrorCodes();
+
+    /**
+     * Get the error messages associated with the validation result
+     *
+     * @return Translator\TranslatableMessageInterface[]
+     */
+    public function getMessages();
+}

src/Translator/TranslatableMessageInterface.php

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+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Validator\Translator;
+
+/**
+ * This interface provide methods for extract the translatable parts of a message.
+ *
+ * The translatable parts of a message are those parts allow to consumption by ICU message formatters.
+ */
+interface TranslatableMessageInterface
+{
+    /**
+     * Returns the message to translate.
+     *
+     * The message may include placeholders for message variable interpolation.
+     *
+     * @return string
+     */
+    public function getMessageTemplate();
+
+    /**
+     * Returns the variables to be replaced in the message template placeholders.
+     *
+     * @return array
+     */
+    public function getMessageVariables();
+
+    /**
+     * Returns the translation domain namespace.
+     *
+     * @return string
+     */
+    public function getTranslationDomain();
+
+    /**
+     * Returns the message template with the placeholders replaced by the variables.
+     *
+     * @return string
+     */
+    public function __toString();
+}