X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fnorthbound%2Fcommons%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnorthbound%2Fcommons%2Fquery%2FVisitor.java;fp=opendaylight%2Fnorthbound%2Fcommons%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fnorthbound%2Fcommons%2Fquery%2FVisitor.java;h=0c1d2be23668cbebddf6ee9fd3af823d503a9bfa;hb=31c83799d67d0bf4012aefedaba5356ebfaad8ab;hp=0000000000000000000000000000000000000000;hpb=b1e455ac4685602b7b3290192906c607d2c92c71;p=controller.git

diff --git a/opendaylight/northbound/commons/src/main/java/org/opendaylight/controller/northbound/commons/query/Visitor.java b/opendaylight/northbound/commons/src/main/java/org/opendaylight/controller/northbound/commons/query/Visitor.java
new file mode 100644
index 0000000000..0c1d2be236
--- /dev/null
+++ b/opendaylight/northbound/commons/src/main/java/org/opendaylight/controller/northbound/commons/query/Visitor.java
@@ -0,0 +1,16 @@
+/**
+ * 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;
+
+/*package*/ interface Visitor {
+
+    boolean visit(LogicalExpression exp) throws QueryException;
+
+    boolean visit(CompareExpression exp) throws QueryException;
+
+}