v5 initial commit
diff --git a/apps/xran/src/main/java/org.onosproject.xran/XranService.java b/apps/xran/src/main/java/org.onosproject.xran/XranService.java
new file mode 100644
index 0000000..c9b89fe
--- /dev/null
+++ b/apps/xran/src/main/java/org.onosproject.xran/XranService.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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 org.onosproject.xran;
+
+import org.onosproject.xran.asn1lib.pdu.RRMConfig;
+import org.onosproject.xran.impl.entities.RnibLink;
+
+import java.util.Optional;
+import java.util.concurrent.SynchronousQueue;
+
+/**
+ * Created by dimitris on 7/27/17.
+ */
+public interface XranService {
+
+ /**
+ * Send a HandOff request from one link to another.
+ *
+ * @param newLink target LINK entity
+ * @param oldLink source LINK entity
+ * @return blocking queue for RESPONSE
+ * @throws InterruptedException interrupted exception
+ */
+ Optional<SynchronousQueue<String>> sendHoRequest(RnibLink newLink, RnibLink oldLink);
+
+ /**
+ * Add a device listener for CELL connections.
+ *
+ * @param listener listener
+ */
+ void addListener(XranDeviceListener listener);
+
+ /**
+ * Add a host listener for UE connections.
+ *
+ * @param listener listener
+ */
+ void addListener(XranHostListener listener);
+
+ /**
+ * Remove a CELL device listener.
+ *
+ * @param listener listener
+ */
+ void removeListener(XranDeviceListener listener);
+
+ /**
+ * Remove a UE host listener.
+ *
+ * @param listener listener
+ */
+ void removeListener(XranHostListener listener);
+
+ /**
+ * Send modified RRM configuration.
+ *
+ * @param rrmConfig configuration fields to send
+ * @return blocking queue for RESPONSE
+ */
+ Optional<SynchronousQueue<String>> sendModifiedRrm(RRMConfig rrmConfig);
+
+ /**
+ * Send scell add packet for specified LINK.
+ *
+ * @param link LINK entity
+ * @return blocking queue for RESPONSE
+ */
+ Optional<SynchronousQueue<String>> sendScellAdd(RnibLink link);
+
+ /**
+ * Send scell delete for specified LINK.
+ *
+ * @param link LINK entity
+ * @return true if sent correctly
+ */
+ boolean sendScellDelete(RnibLink link);
+
+ /**
+ * Get northbound timeout.
+ *
+ * @return interval in milliseconds
+ */
+ int getNorthboundTimeout();
+}