Migrate users of Optional.get()
[ovsdb.git] / hwvtepsouthbound / hwvtepsouthbound-impl / src / main / java / org / opendaylight / ovsdb / hwvtepsouthbound / reconciliation / configuration / HwvtepReconciliationTask.java
1 /*
2  * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. 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.hwvtepsouthbound.reconciliation.configuration;
9
10 import java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.Map;
13 import org.opendaylight.mdsal.binding.api.DataBroker;
14 import org.opendaylight.mdsal.binding.api.DataTreeModification;
15 import org.opendaylight.mdsal.binding.api.ReadTransaction;
16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
17 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
18 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionManager;
19 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundMapper;
20 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
21 import org.opendaylight.ovsdb.hwvtepsouthbound.reconciliation.ReconciliationManager;
22 import org.opendaylight.ovsdb.hwvtepsouthbound.reconciliation.ReconciliationTask;
23 import org.opendaylight.ovsdb.hwvtepsouthbound.transact.HwvtepOperationalState;
24 import org.opendaylight.ovsdb.hwvtepsouthbound.transact.TransactCommandAggregator;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitchesKey;
28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30
31 public class HwvtepReconciliationTask extends ReconciliationTask {
32     private final HwvtepConnectionInstance connectionInstance;
33     private final DataBroker db;
34     private final Node psNode;
35
36     public HwvtepReconciliationTask(ReconciliationManager reconciliationManager,
37                                     HwvtepConnectionManager connectionManager,
38                                     InstanceIdentifier<?> nodeId,
39                                     Node psNode,
40                                     HwvtepConnectionInstance connectionInstance,
41                                     DataBroker db) {
42         super(reconciliationManager, connectionManager, nodeId, null);
43         this.db = db;
44         this.psNode = psNode;
45         this.connectionInstance = connectionInstance;
46     }
47
48     private void transactChangesToDevice(final Collection<DataTreeModification<Node>> changes,
49                                          final Node globalOperNode,
50                                          final Node node) {
51         HwvtepOperationalState hwvtepOperationalState = new HwvtepOperationalState(db, connectionInstance, changes,
52                 globalOperNode, node);
53         hwvtepOperationalState.setInReconciliation(true);
54         boolean reconcile = true;
55         connectionInstance.transact(new TransactCommandAggregator(hwvtepOperationalState,changes), reconcile);
56     }
57
58     @Override
59     public boolean reconcileConfiguration(HwvtepConnectionManager connectionManagerOfDevice) {
60         InstanceIdentifier<Node> psNodeIid = HwvtepSouthboundMapper.createInstanceIdentifier(psNode.getNodeId());
61         InstanceIdentifier<Node> nodeId = (InstanceIdentifier<Node>)nodeIid;
62
63         ReadTransaction tx = reconciliationManager.getDb().newReadOnlyTransaction();
64         Node globalConfigNode = readNode(tx, LogicalDatastoreType.CONFIGURATION, nodeId);
65         Node globalOpNode = readNode(tx, LogicalDatastoreType.OPERATIONAL, nodeId);
66         Node psConfigNode = readNode(tx, LogicalDatastoreType.CONFIGURATION, psNodeIid);
67
68         DataTreeModification<Node> change = null;
69         Collection<DataTreeModification<Node>> changes = new ArrayList<>();
70         change = GlobalConfigOperationalChangeGetter.getModification(nodeId, globalConfigNode, globalOpNode);
71         changes.add(change);
72
73         change = SwitchConfigOperationalChangeGetter.getModification(psNodeIid, psConfigNode, psNode);
74         changes.add(change);
75
76         if (globalConfigNode != null) {
77             HwvtepGlobalAugmentation augmentation = globalConfigNode.augmentation(HwvtepGlobalAugmentation.class);
78             if (augmentation != null) {
79                 Map<LogicalSwitchesKey, LogicalSwitches> switches = augmentation.getLogicalSwitches();
80                 if (switches != null) {
81                     for (LogicalSwitches logicalSwitches : switches.values()) {
82                         connectionInstance.getDeviceInfo().updateConfigData(LogicalSwitches.class,
83                                 nodeId.augmentation(HwvtepGlobalAugmentation.class).child(LogicalSwitches.class,
84                                         logicalSwitches.key()), logicalSwitches);
85                     }
86                 }
87             }
88         }
89         transactChangesToDevice(changes, globalOpNode, psNode);
90         return true;
91     }
92
93     @Override
94     public void doRetry(boolean wasPreviousAttemptSuccessful) {
95     }
96
97     @Override
98     public void checkReadinessAndProcess() {
99     }
100
101     @Override
102     public long retryDelayInMills() {
103         return 0;
104     }
105
106     private static Node readNode(ReadTransaction transaction,
107                                  LogicalDatastoreType logicalDatastoreType, InstanceIdentifier<Node> iid) {
108         return HwvtepSouthboundUtil.readNode(transaction, logicalDatastoreType, iid).orElse(null);
109     }
110 }