Bug 5953: Fixed NPE in FlowRemovedTranslator.
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / translator / FlowRemovedV10Translator.java
1 /*
2  * Copyright (c) 2015 Cisco Systems, 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
9 package org.opendaylight.openflowplugin.impl.translator;
10
11 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
12 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
13 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
14 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
17
18 /**
19  * translate {@link FlowRemoved} message to FlowRemoved notification (omit instructions)
20  */
21 public class FlowRemovedV10Translator extends FlowRemovedTranslator {
22
23     @Override
24     protected MatchBuilder translateMatch(FlowRemoved flowRemoved, DeviceState deviceState) {
25         return MatchConvertorImpl.fromOFMatchV10ToSALMatch(flowRemoved.getMatchV10(),
26                 deviceState.getFeatures().getDatapathId(), OpenflowVersion.OF10);
27     }
28
29     /**
30      * Always returns zero because OF10 FLOW_REMOVED doesn't contain table ID.
31      *
32      * @param flowRemoved  FLOW_REMOVED message.
33      * @return  Zero.
34      */
35     @Override
36     protected Short translateTableId(FlowRemoved flowRemoved) {
37         return Short.valueOf((short)0);
38     }
39 }