Wait to process datastore until providers are ready
[ovsdb.git] / openstack / net-virt / src / main / java / org / opendaylight / ovsdb / openstack / netvirt / impl / OvsdbInventoryServiceImpl.java
1 /*
2  * Copyright (c) 2015 Red Hat, Inc. and others.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8 package org.opendaylight.ovsdb.openstack.netvirt.impl;
9
10 import com.google.common.collect.Sets;
11 import java.util.Set;
12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
13 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
15 import org.opendaylight.ovsdb.openstack.netvirt.MdsalUtils;
16 import org.opendaylight.ovsdb.openstack.netvirt.ConfigInterface;
17 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbInventoryService;
18 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbInventoryListener;
19 import org.osgi.framework.BundleContext;
20 import org.osgi.framework.ServiceReference;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
23
24 /**
25  * MdsalConsumerImpl is the implementation for {@link OvsdbInventoryService}
26  *
27  * @author Sam Hague (shague@redhat.com)
28  */
29 public class OvsdbInventoryServiceImpl implements ConfigInterface, OvsdbInventoryService {
30     private static final Logger LOG = LoggerFactory.getLogger(OvsdbInventoryServiceImpl.class);
31     private static DataBroker dataBroker = null;
32     private static Set<OvsdbInventoryListener> mdsalConsumerListeners = Sets.newCopyOnWriteArraySet();
33     private OvsdbDataChangeListener ovsdbDataChangeListener = null;
34     private static MdsalUtils mdsalUtils = null;
35     private volatile BindingAwareBroker broker; // dependency injection
36     //private ConsumerContext consumerContext = null;
37
38     public OvsdbInventoryServiceImpl(ProviderContext providerContext) {
39         dataBroker = providerContext.getSALService(DataBroker.class);
40         LOG.info("netvirt MdsalConsumer initialized");
41         ovsdbDataChangeListener = new OvsdbDataChangeListener(dataBroker);
42         mdsalUtils = new MdsalUtils(dataBroker);
43     }
44
45     /*void init(Component c) {
46         LOG.info(">>>>> init OvsdbInventoryServiceImpl");
47         LOG.info(">>>>> Netvirt Provider Registered with MD-SAL");
48         broker.registerConsumer(this, c.getDependencyManager().getBundleContext());
49     }
50
51     void start() {
52         LOG.info(">>>>> start OvsdbInventoryServiceImpl");
53     }
54
55     void destroy() {
56         // Now lets close MDSAL session
57         if (this.consumerContext != null) {
58             //this.consumerContext.close();
59             this.dataBroker = null;
60             this.consumerContext = null;
61         }
62     }
63     @Override
64     public void onSessionInitialized (ConsumerContext consumerContext) {
65         this.consumerContext = consumerContext;
66         dataBroker = consumerContext.getSALService(DataBroker.class);
67         LOG.info("netvirt MdsalConsumer initialized");
68         ovsdbDataChangeListener = new OvsdbDataChangeListener(dataBroker);
69         mdsalUtils = new MdsalUtils(dataBroker);
70     }*/
71
72     //@Override
73     /*public static DataBroker getDataBroker() {
74         return dataBroker;
75     }*/
76
77     @Override
78     public void listenerAdded(OvsdbInventoryListener listener) {
79         mdsalConsumerListeners.add(listener);
80         LOG.info("listenerAdded: {}", listener);
81     }
82
83     @Override
84     public void listenerRemoved(OvsdbInventoryListener listener) {
85         mdsalConsumerListeners.remove(listener);
86         LOG.info("listenerRemoved: {}", listener);
87     }
88
89     @Override
90     public void providersReady() {
91         ovsdbDataChangeListener.start();
92     }
93
94     public static Set<OvsdbInventoryListener> getMdsalConsumerListeners() {
95         return mdsalConsumerListeners;
96     }
97
98     @Override
99     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {}
100
101     @Override
102     public void setDependencies(Object impl) {}
103 }