NeutronIntegrationProviderImpl.java

/*
 * Copyright (c) 2015 Hewlett Packard Enterprise Development LP.  All rights reserved.
 *
 * 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.nic.neutron.integration.impl;

import com.google.common.base.Preconditions;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.nic.listeners.api.EventRegistryService;
import org.opendaylight.nic.utils.EventType;

/**
 * Provider implementation for integrating Neutron sec groups
 */
public class NeutronIntegrationProviderImpl implements AutoCloseable {

    private final DataBroker db;

    private EventRegistryService serviceRegistry;

    /**
     * Provider constructor set all needed final parameters
     *
     * @param db - dataBroker
     */
    public NeutronIntegrationProviderImpl(final DataBroker db, EventRegistryService serviceRegistry) {
        Preconditions.checkNotNull(db);
        Preconditions.checkNotNull(serviceRegistry);
        this.db = db;
        this.serviceRegistry = serviceRegistry;
    }

    public void start() {
        // Neutron Security group and rules event listeners
        SecGroupNotificationSubscriberImpl secGroupNotificationSubscriber =
                new SecGroupNotificationSubscriberImpl();
        // There is only one service associated with Sec group Added, Deleted and Modified
        // So registering the subscriber with just Added type will associate it with the correct supplier
        // for Deleted and Modified
        serviceRegistry.registerEventListener(EventType.SECURITY_GROUP_ADDED, secGroupNotificationSubscriber);
        SecRuleNotificationSubscriberImpl secRuleNotificationSubscriber =
                new SecRuleNotificationSubscriberImpl(db);
        serviceRegistry.registerEventListener(EventType.SECURITY_RULE_ADDED, secRuleNotificationSubscriber);
    }

    @Override
    public void close() throws Exception {
    }
}