--- /dev/null
+/**
+ * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.northbound.commons.query;
+
+/**
+ * Query context
+ */
+public interface QueryContext {
+
+ /**
+ * Create a Query
+ * @param queryString - query string to parse
+ * @param clazz - The class which represents the top level jaxb object
+ * @return a query object
+ * @throws QueryException if the query cannot be parsed.
+ */
+ <T> Query<T> createQuery(String queryString, Class<T> clazz)
+ throws QueryException;
+
+}