2 * Copyright © 2015, 2017 China Telecom Beijing Research Institute and others. All rights reserved.
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
8 package org.opendaylight.ovsdb.hwvtepsouthbound.transact;
10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
12 import java.util.Collection;
13 import java.util.Collections;
14 import java.util.HashMap;
16 import java.util.Map.Entry;
17 import java.util.Optional;
18 import org.opendaylight.mdsal.binding.api.DataObjectModification;
19 import org.opendaylight.mdsal.binding.api.DataTreeModification;
20 import org.opendaylight.ovsdb.lib.notation.Mutator;
21 import org.opendaylight.ovsdb.lib.notation.UUID;
22 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
23 import org.opendaylight.ovsdb.schema.hardwarevtep.Global;
24 import org.opendaylight.ovsdb.schema.hardwarevtep.PhysicalSwitch;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
31 public class PhysicalSwitchRemoveCommand extends AbstractTransactCommand {
32 private static final Logger LOG = LoggerFactory.getLogger(PhysicalSwitchRemoveCommand.class);
34 public PhysicalSwitchRemoveCommand(final HwvtepOperationalState state,
35 final Collection<DataTreeModification<Node>> changes) {
36 super(state, changes);
40 public void execute(final TransactionBuilder transaction) {
41 Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> removeds =
42 extractRemovedSwitches(getChanges(),PhysicalSwitchAugmentation.class);
43 if (!removeds.isEmpty()) {
44 for (Entry<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> removed:
45 removeds.entrySet()) {
46 removePhysicalSwitch(transaction, removed.getKey(), removed.getValue());
51 private void removePhysicalSwitch(final TransactionBuilder transaction,
52 final InstanceIdentifier<Node> iid, final PhysicalSwitchAugmentation physicalSwitchAugmentation) {
53 LOG.debug("Removing a physical switch named: {}", physicalSwitchAugmentation.getHwvtepNodeName().getValue());
54 Optional<PhysicalSwitchAugmentation> operationalPhysicalSwitchOptional =
55 getOperationalState().getPhysicalSwitchAugmentation(iid);
56 PhysicalSwitch physicalSwitch = transaction.getTypedRowSchema(PhysicalSwitch.class);
57 if (operationalPhysicalSwitchOptional.isPresent()
58 && operationalPhysicalSwitchOptional.get().getPhysicalSwitchUuid() != null) {
59 UUID physicalSwitchUuid = new UUID(operationalPhysicalSwitchOptional.get()
60 .getPhysicalSwitchUuid().getValue());
61 Global global = transaction.getTypedRowSchema(Global.class);
62 transaction.add(op.delete(physicalSwitch.getSchema())
63 .where(physicalSwitch.getUuidColumn().getSchema().opEqual(physicalSwitchUuid)).build());
64 transaction.add(op.comment("Physical Switch: Deleting "
65 + physicalSwitchAugmentation.getHwvtepNodeName().getValue()));
66 transaction.add(op.mutate(global.getSchema())
67 .addMutation(global.getSwitchesColumn().getSchema(), Mutator.DELETE,
68 Collections.singleton(physicalSwitchUuid)));
69 transaction.add(op.comment("Global: Mutating " + physicalSwitchAugmentation.getHwvtepNodeName().getValue()
70 + " " + physicalSwitchUuid));
72 LOG.warn("Unable to delete physical switch {} because it was not found in the operational store",
73 physicalSwitchAugmentation.getHwvtepNodeName().getValue());
77 private Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> extractRemovedSwitches(
78 final Collection<DataTreeModification<Node>> changes, final Class<PhysicalSwitchAugmentation> class1) {
79 Map<InstanceIdentifier<Node>, PhysicalSwitchAugmentation> result = new HashMap<>();
80 if (changes != null && !changes.isEmpty()) {
81 for (DataTreeModification<Node> change : changes) {
82 final InstanceIdentifier<Node> key = change.getRootPath().getRootIdentifier();
83 final DataObjectModification<Node> mod = change.getRootNode();
84 Node removed = TransactUtils.getRemoved(mod);
85 if (removed != null) {
86 PhysicalSwitchAugmentation physicalSwitch =
87 removed.augmentation(PhysicalSwitchAugmentation.class);
88 if (physicalSwitch != null) {
89 result.put(key, physicalSwitch);