1 files changed, 43 insertions, 0 deletions
diff --git a/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/service/GpeStateCheckService.java b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/service/GpeStateCheckService.java
new file mode 100644
index 000000000..ba9828668
--- /dev/null
+++ b/lisp/lisp2vpp/src/main/java/io/fd/hc2vpp/lisp/gpe/translate/service/GpeStateCheckService.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.hc2vpp.lisp.gpe.translate.service;
+
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.write.WriteContext;
+import javax.annotation.Nonnull;
+
+/**
+ * Provides logic to check whether gpe feature is enabled
+ */
+public interface GpeStateCheckService {
+
+    /**
+     * @throws IllegalStateException if gpe feature is disabled
+     */
+    void checkGpeEnabledBefore(@Nonnull final WriteContext writeContext);
+
+    /**
+     * @throws IllegalStateException if gpe feature is disabled
+     */
+    void checkGpeEnabledAfter(@Nonnull final WriteContext writeContext);
+
+
+    /**
+     * @return state of gpe feature
+     */
+    boolean isGpeEnabled(@Nonnull final ReadContext readContext);
+}