[ONOS-3116] Port Pair Service

Change-Id: Ifa73037d107cf0c19f6c8b50639a160e81b05681

+/*
+ * Copyright 2015 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.vtnrsc.portpair;
+
+import org.onosproject.vtnrsc.PortPair;
+import org.onosproject.vtnrsc.PortPairId;
+
+/**
+ * Service for interacting with the inventory of port pairs.
+ */
+public interface PortPairService {
+
+    /**
+     * Returns if the port pair is existed.
+     *
+     * @param portPairId port pair identifier
+     * @return true or false if one with the given identifier exists.
+     */
+    boolean exists(PortPairId portPairId);
+
+    /**
+     * Returns the number of port pairs known to the system.
+     *
+     * @return number of port pairs.
+     */
+    int getPortPairCount();
+
+    /**
+     * Returns an iterable collection of the currently known port pairs.
+     *
+     * @return collection of port pairs.
+     */
+    Iterable<PortPair> getPortPairs();
+
+    /**
+     * Returns the portPair with the given identifier.
+     *
+     * @param portPairId port pair identifier
+     * @return PortPair or null if port pair with the given identifier is not
+     *         known.
+     */
+    PortPair getPortPair(PortPairId portPairId);
+
+    /**
+     * Creates a PortPair in the store.
+     *
+     * @param portPair the port pair to create
+     * @return true if given port pair is created successfully.
+     */
+    boolean createPortPair(PortPair portPair);
+
+    /**
+     * Updates the portPair in the store.
+     *
+     * @param portPair the port pair to update
+     * @return true if given port pair is updated successfully.
+     */
+    boolean updatePortPair(PortPair portPair);
+
+    /**
+     * Deletes portPair by given portPairId.
+     *
+     * @param portPairId id of port pair to remove
+     * @return true if the give port pair is deleted successfully.
+     */
+    boolean removePortPair(PortPairId portPairId);
+}

+/*
+ * Copyright 2015 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.
+ */
+
+/**
+ * Service for interacting with the inventory of port pairs.
+ */
+package org.onosproject.vtnrsc.portpair;