Created interface to avoid dependence on AbstractQuery.

module/VuFindSearch/src/VuFindSearch/Query/AbstractQuery.php

@@ -38,31 +38,6 @@ namespace VuFindSearch\Query;
  * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
  * @link     http://vufind.org
  */
-abstract class AbstractQuery
+abstract class AbstractQuery implements QueryInterface
 {
-    /**
-     * Does the query contain the specified term?
-     *
-     * @param string $needle Term to check
-     *
-     * @return bool
-     */
-    abstract public function containsTerm($needle);
-
-    /**
-     * Get a concatenated list of all query strings within the object.
-     *
-     * @return string
-     */
-    abstract public function getAllTerms();
-
-    /**
-     * Replace a term.
-     *
-     * @param string $from Search term to find
-     * @param string $to   Search term to insert
-     *
-     * @return void
-     */
-    abstract public function replaceTerm($from, $to);
 }
\ No newline at end of file

module/VuFindSearch/src/VuFindSearch/Query/QueryInterface.php

+<?php
+
+/**
+ * Common methods that must be shared by all query objects.
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2010.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @category VuFind2
+ * @package  Search
+ * @author   David Maus <maus@hab.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org
+ */
+
+namespace VuFindSearch\Query;
+
+/**
+ * Common methods that must be shared by all query objects.
+ *
+ * @category VuFind2
+ * @package  Search
+ * @author   David Maus <maus@hab.de>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org
+ */
+interface QueryInterface
+{
+    /**
+     * Does the query contain the specified term?
+     *
+     * @param string $needle Term to check
+     *
+     * @return bool
+     */
+    public function containsTerm($needle);
+
+    /**
+     * Get a concatenated list of all query strings within the object.
+     *
+     * @return string
+     */
+    public function getAllTerms();
+
+    /**
+     * Replace a term.
+     *
+     * @param string $from Search term to find
+     * @param string $to   Search term to insert
+     *
+     * @return void
+     */
+    public function replaceTerm($from, $to);
+}
\ No newline at end of file