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diff --git a/src/main/java/org.onosproject.xran/XranStore.java b/src/main/java/org.onosproject.xran/XranStore.java
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+/*
+ * Copyright 2015-present Open Networking Laboratory
+ *
+ * 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 com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.store.Store;
+import org.onosproject.xran.codecs.api.ECGI;
+import org.onosproject.xran.codecs.api.MMEUES1APID;
+import org.onosproject.xran.controller.XranController;
+import org.onosproject.xran.entities.RnibCell;
+import org.onosproject.xran.entities.RnibLink;
+import org.onosproject.xran.entities.RnibSlice;
+import org.onosproject.xran.entities.RnibUe;
+import org.onosproject.xran.identifiers.LinkId;
+
+import java.util.List;
+
+/**
+ * Created by dimitris on 7/22/17.
+ */
+public interface XranStore extends Store {
+
+ // LINKS STORE
+
+ List<RnibLink> getLinks();
+
+ List<RnibLink> getLinksByECGI(ECGI ecgi);
+
+ List<RnibLink> getLinksByCellId(String eciHex);
+
+ List<RnibLink> getLinksByUeId(long euId);
+
+ RnibLink getLinkBetweenCellIdUeId(String cellId, long euId);
+
+ boolean createLinkBetweenCellIdUeId(String cellId, long euId, String type);
+
+ RnibLink getLink(ECGI ecgi, MMEUES1APID mme);
+
+ void storeLink(RnibLink link);
+
+ boolean removeLink(LinkId link);
+
+ // NODES
+
+ List<Object> getNodes();
+
+ List<RnibCell> getCellNodes();
+
+ List<RnibUe> getUeNodes();
+
+ Object getByNodeId(String nodeId);
+
+ // CELL
+
+ RnibCell getCell(String eci);
+
+ RnibCell getCell(ECGI cellId);
+
+ boolean modifyCellRrmConf(String eci, JsonNode rrmConf);
+
+ void storeCell(RnibCell cell);
+
+ boolean removeCell(ECGI ecgi);
+
+ // SLICE
+
+ RnibSlice getSlice(long sliceId);
+
+ boolean createSlice(ObjectNode attributes);
+
+ boolean removeCell(long sliceId);
+
+ // CONTROLLER
+
+ XranController getController();
+
+ void setController(XranController controller);
+
+ // UE
+
+ RnibUe getUe(long euId);
+
+ RnibUe getUe(MMEUES1APID mme);
+
+ void storeUe(RnibUe ue);
+
+ boolean removeUe(MMEUES1APID mme);
+}