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+/*
+ * Copyright (C) 2014 Red Hat, Inc.
+ *
+ * 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.networkconfig.neutron;
+
+import java.util.List;
+
+/**
+ * This interface defines the methods for CRUD of NB OpenStack LoadBalancer objects
+ *
+ */
+
+public interface INeutronLoadBalancerCRUD {
+ /**
+ * Applications call this interface method to determine if a particular
+ *LoadBalancer object exists
+ *
+ * @param uuid
+ * UUID of the LoadBalancer object
+ * @return boolean
+ */
+
+ public boolean neutronLoadBalancerExists(String uuid);
+
+ /**
+ * Applications call this interface method to return if a particular
+ * LoadBalancer object exists
+ *
+ * @param uuid
+ * UUID of the LoadBalancer object
+ * @return {@link NeutronLoadBalancer}
+ * OpenStackLoadBalancer class
+ */
+
+ public NeutronLoadBalancer getNeutronLoadBalancer(String uuid);
+
+ /**
+ * Applications call this interface method to return all LoadBalancer objects
+ *
+ * @return List of OpenStackNetworks objects
+ */
+
+ public List<NeutronLoadBalancer> getAllNeutronLoadBalancers();
+
+ /**
+ * Applications call this interface method to add a LoadBalancer object to the
+ * concurrent map
+ *
+ * @param input
+ * OpenStackNetwork object
+ * @return boolean on whether the object was added or not
+ */
+
+ public boolean addNeutronLoadBalancer(NeutronLoadBalancer input);
+
+ /**
+ * Applications call this interface method to remove a Neutron LoadBalancer object to the
+ * concurrent map
+ *
+ * @param uuid
+ * identifier for the LoadBalancer object
+ * @return boolean on whether the object was removed or not
+ */
+
+ public boolean removeNeutronLoadBalancer(String uuid);
+
+ /**
+ * Applications call this interface method to edit a LoadBalancer object
+ *
+ * @param uuid
+ * identifier of the LoadBalancer object
+ * @param delta
+ * OpenStackLoadBalancer object containing changes to apply
+ * @return boolean on whether the object was updated or not
+ */
+
+ public boolean updateNeutronLoadBalancer(String uuid, NeutronLoadBalancer delta);
+
+ /**
+ * Applications call this interface method to see if a MAC address is in use
+ *
+ * @param uuid
+ * identifier of the LoadBalancer object
+ * @return boolean on whether the macAddress is already associated with a
+ * port or not
+ */
+
+ public boolean neutronLoadBalancerInUse(String uuid);
+
+}
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